Do you think 40 MPG is possible and what other mods would you do?

@9a21x

4 жыл бұрын

Northstar Swap

@athalc

4 жыл бұрын

Some sweet retro dinner plate wheels should help with aero

@williammcguire1273

4 жыл бұрын

So first off, Weight reduction! Less weight equals less total mass, which will increase fuel economy. Next, Aerodynamics. Lower the car as much as possible without needing to replace lower control arms and add a flat bottom with a diffuser. also, try to find aerodynamic side mirrors. Finally, I would try to decrease rotating mass, so lightweight wheels, brakes, and grab a carbon fiber one piece driveshaft too! Before tuning or anything, I would decrease weight and the coefficient of drag, this gets physics on your side before the difficult part of tuning for extra mpg. SO GLAD someone is doing a high fuel economy sports car. I have a 2015 WRX and love getting 33mpg with my mods!

@rohittaurus911

4 жыл бұрын

Its Doable, because Even the modern Formula 1 cars are crazy efficient with their high horse power engines.

@RT_Gaming01

4 жыл бұрын

First things first, run a VSI LPG system therefore you lose no BHP at all vs conventional petrol or gasoline setup per say. Then some weight reduction as indicated by some helps wonders 😁 Also run some high flow air filter/s and finally run an “economy” remap and that should easily crack 50MPG with all of the above with no real drawbacks.

Next: A 50 MPG Land Cruiser Then: A 10 MPG TESLA that runs on GAS

@TreoHD

4 жыл бұрын

I real V8 Swapped Tesla please

@Devilman666

4 жыл бұрын

A Tesla swapped v8 pleaae

@ragingfred

4 жыл бұрын

An LS swapped Tesla? or a Tesla swapped electric Corvette.

@radbug

4 жыл бұрын

whats the point of "saving" that little bit of gas if it pollutes more? just to save a few dollars a month? in a corvette??? Seems like some fucked up reasoning skills here

@98triffid

4 жыл бұрын

Hemi Prius is a thing, I'm unsure about Tesla's but there is certainly room in there for an OHV V8

That car has literally 6 times the amount of miles my Ferrari has, and the front bumper and overall paint is in about 6 times better condition.

@LegitStreetCars

4 жыл бұрын

That's that 90s GM quality for ya.

@jamesmedina2062

4 жыл бұрын

You guys are awesome. I enjoy the back and forth!

@ericalbertson6621

4 жыл бұрын

Samcrac gotta be the best collaboration on you tube!

@dodi3bodi

4 жыл бұрын

One works on his cars and the other not

@E.T.GARAGE

4 жыл бұрын

@@LegitStreetCars my 90 has over 219k on it of course nothing is stock except the trans witch I just recently blew.

"Who wants to drive a slow Corvette?" Well, I'm going to say every person who drives a 1984 Corvette with the orginal cross-fire injection. ‍🤷‍♂️

@LegitStreetCars

4 жыл бұрын

Haha, so true

@bobbyread

4 жыл бұрын

Owners of 1975 Corvette: “Hold my beer.”

@markevans658

4 жыл бұрын

Believe Inyourself Why does it bother you that they enjoy and like the car they drive?

@mcapps1

4 жыл бұрын

Not slow buddy

@Johnny-tq9no

4 жыл бұрын

@@markevans658 he clearly said because they act like it's fast and special and I'm assuming that annoys him

40 mpg is probably the upper bound of possible. Your plan is good; you're focusing on the most important things first. (Lean Burn and long-tube headers with gearing and the 3rd major option; lowering the car is a no-brainer, too.) Getting the headers right is important: calculate what RPM your engine will be running at your test speed of 60/65 mph given your rear gears and transmission OD final gear ratio. You then want headers that will make your engine's torque peak close as you can reasonably get it to that #. That will mean a smaller primary tube ID than most "performance" oriented headers. A small Tri-Y header will help broaden the torque curve and will help keep the torque up down low. -Exhaust Gas Recirculation (EGR) is also the original form of "displacement on demand" technology and will reduce the effective size of the engine at highway cruise -consider getting a header with the EGR tubes intact, although lean cruise will get you close in terms of fuel economy. The cam would often be next but the stock LS1 cam is pretty eco-focused already with a small duration and wide LSA; a modern cam with more aggressive ramps but similar durations can increase your dynamic compression ratio / cylinder pressures up to the max you can support with 92 octane / 93 octane fuel and can help with fuel economy a bit too. -If you were going to rebuild the engine I'd focus on increasing compression and decreasing your "squish" between the piston and the head to the absolute minimum a high-speed quench is like "Free octane" and allows you to run with a higher Dynamic Compression Ratio / cylinder pressures without running into detonation -it also makes the fuel burn happen faster which means you can use less ignition advance which helps torque and fuel economy. Beyond your current plan, the actual next thing I would consider is a Plasma ignition system if you want to get a bit exotic: these will make a high-speed flame front from a larger initial ignition "flame kernel" (technically a plasma event immediately following the initial spark firing) -this speeds up the fuel burn rate fairly significantly (although at a loss of spark plug life) which allows less ignition timing AND the ability to run a leaner burn safely. If your headers include a crank case evac / vacuum port you can run a low pressure oil ring. (Piston rings are responsible for 50-68% of an engine's total friction...)

I know this is Corvette content but that Trans Am is sick.

@deanm72

4 жыл бұрын

That's what i was thinking.

@scarface9617

4 жыл бұрын

I have a '02ws6 ramair 6spd. ttop car with 34.xxx on the dash! #1 owner car!

@rstuff1605

3 жыл бұрын

And my high school buddy has a trans am with out the kiss. We called it the obnoxious T A since he loved keeping the cut out off and was the epitamy of inefficiency with the 1 7/8 long tube to a 3 in. Y pipe getting 10 mpg and slower than stock despite having light k member

You could also cover the underside with panels to get better air flow.

@aaronbigleman7326

4 жыл бұрын

jospi2 The underside of the C5 is already very flat

@colaface1630

4 жыл бұрын

@@josephchristopher5294 depends

@MrSlowestD16

4 жыл бұрын

@@josephchristopher5294 Depends on the ride height and front bumper design, smoother bottom also helps lower resistance depending on the scenario. Probably 100 more factors that go into it, too.

@Mavrck-it2kq

4 жыл бұрын

Yes add 40lb to reduce almost no drag. Smart

@emmanuelferguson

4 жыл бұрын

@@Mavrck-it2kq If it reduced the drag, in long term it probably would help, thinking of good solutions always has a few bad eggs, so let's support them so we can get more good solutions.

The old Honda’s used a couple tricks with lean burn. Those engines had only one intake valve open at low rpm to get a lot of swirl, and they use pretty high EGR flow to cool the combustion process off. This also gets you more throttle % for the same power level, so you get less pumping losses. And this is what allows lean burn to work

There is a benefit with lean burn but if you are already at 30mpg, I don't think there is much more in it. If I were you I would put a wideband on the car as it is stock and see what air/fuel ratio your are currently running to get a bench mark. You want the wideband in the same location as the narrowband (at the tailpipe no good imo) You also want to datalog the advance to see where that is at also. Being such an old car check what injectors are in there. If they are single pindle EV1 injectors your lean burn misfire limit maybe not much past 15:1. I found switching to EV6 multi hole injector certainly allowed running leaner ratios before misfire. Also airspeed thru the ports at idle has a big bearing as to how lean you can go at idle/off idle, higher airspeed, better mixing.

@littlerhino2006

4 жыл бұрын

Sensible commentary like this is being drowned out by the sheer volume of "have fun melting your engine" comments but I gave you and upvote anyway

Gen 1 Honda Insight used lean burn in the U.S. only in the manual trans model.

@dmarb17

4 жыл бұрын

the AFR got up to 25:1 too

@TexasStormHunter

4 жыл бұрын

my gen 1 only burns at 16.5:1.... but mine is a 2.4l now, and makes 250whp. still gets 45mpg

@ariethekid

4 жыл бұрын

Yup. Love mine. 60mpg easily. 75-80mpg highway.

@kingrpriddick

4 жыл бұрын

Civics did lean burn as well, before the insight

Idk why Mazda rated the Miata so low. I daily a 2019 Miata and get an easy 40+ hwy.

@OsHelps

4 жыл бұрын

It’s better to low ball and exceed expectations

@Tjspycorp

4 жыл бұрын

My 92 would get mid 30s when it was running right

@aslkdfjhg

4 жыл бұрын

If it's American spec they may have leaned it out a little to give better emissions, thus better than the Japanese spec. I might be wrong, but it has happened before

@ch_chone

4 жыл бұрын

My '99 typically gets around 27 combined, combo of nice day commuting and some fun backroad use. The thing to remember about convertibles is that they are are horrible aerodynamically. Ever notice that the car accelerates 60-80 noticeably faster with the top up and windows closed than it does with the top down? They're a tiny car, but their C_d is not all that great for what it is. Combine that with low gearing to make it feel peppy with a low power engine and modern speed limits that are higher than they used to be (which runs the engine outside of its BSFC optimal range) and voila, you have a small car that's surprisingly average on fuel economy. Compare that with a C5, which has a ton of torque to pull some long overdrive gear ratios and really low drag, and suddenly you have the classic comparison of a 1.8L Japanese car getting worse fuel economy on the highway than the thirsty small block V8, lol. All that considered though, 27 combined is pretty good for a cheap thrills type of car that runs like a top without any issues ever! I like the discussion this video has brought up.

@KLAWNINETY

4 жыл бұрын

The EPA uses a specific method to test the MPG of each car that doesn't always deliver the highest MPG possible.

The biggest thing about fuel economy is the amount of fuel you need. If you have big cylinders, you intake a lot of air, which means you need more fuel to maintain the proper ratio. Going rich or lean an engine that sucks in more air will use more fuel than an engine with a smaller displacement. This is why manufacturers have mostly switched to 4 cylinder engines, the addition of a turbo is not for fuel economy but rather allow the car to have more power. Most significant factors: the amount of fuel you can deliver, weight, and something people forget about is aerodynamics using spoilers (not wings) will also have a good effect if he can find a good kit, plus if it has underplates. Plus a few other things he went over, I typed this as I watched the video, he did a good job, I am sure he gets 40mpg out this no problem! The biggest things manufacturers do to get good mileage is: variable cam timing (VCT), cylinder shut off, plethora of sensors to determine spark, fuel, VCT timings even things like intake runner/bellow size (which has immense R&D tied to it,) smaller displacement engines, 8 speed automatic transmissions, start/stop, use control modules all over the car to reduce wiring weight (many cars even today have up to 300bls of wiring in them) the use of lighter and durable materials like carbon fiber, magnesium, and titanium.

Can’t believe I’m more interested in an eco-Vette than a 1000hp Trans Am. You don’t see too many eco-friendly sports cars. When I graduate college, get a nice job, and buy a house, I want to build cars. I’m not interested in exotics other than Porsche and McLaren, but something like this seems right up my alley. Can’t wait to see what this thing can do.

Early to mid 90s Honda Civic VX had a lean mode. They were rated in the low 50s for milage.

@theejoeylee

4 жыл бұрын

I wish I could get that out of my 07 auto civic. Got 43 over 750 miles once ..interstate Windows up no a.c., 75 degrees. Put new tires on..tire guy was like wow Those are heavy as hell. Now I cant get over 36

@guitarkirby

4 жыл бұрын

I had a 92 VX back in the day. My wife got a max MPG of 57 on a trip once. I usually got minimum 40 mpg driving it hard. Great car! Had a wideband o2 sensor that was the only thing I ever had to replace on the car.

@LeglessWonder

4 жыл бұрын

Yea those EG VXs were great for MPG. Slow as shit. But very efficient

@wootwoot3780

4 жыл бұрын

We had a 91 Mazda hatchback . Don't know the little car exact name but we drove all around L.a east to inglewood then back to Boyle heights .. wasted barley any gas .. was Soo good that some times I forgot it to re- fuel .. 20$ = 2 weeks 😰😰😂😂

Even My Hyundai doesn't give me that kind of MPG in City conditions. Too Good Man, Looking forward to the Series. Keep up up good work.

@LegitStreetCars

4 жыл бұрын

City is totally different. It's very hard to compare city mpg since traffic changes often.

@mjbakedbeans

4 жыл бұрын

Rohit Verma very few cars get good city gas mileage. Highway is much easier.

@rayt5520

4 жыл бұрын

my Datsun b110 gave me 45 mpg back in 1974. Why haven't cars improved on mileage 45 years later?

@jareknowak8712

4 жыл бұрын

@@rayt5520 bc safety and weight.

@mjbakedbeans

4 жыл бұрын

@@rayt5520 safety, weight, power, emissions.

Great video. I'm learning a lot about the LS and how the engineers most likely set up mine. I also use Amsoil and have for years. I'm using the Signature synthetic in the engine and ATF in the transmission. I've hesitated using anything other than the factory LS in the diff as I have tiny lines going into a radiator cooler. So I just change it. There's little loss in the diff anyway. I think it takes only about a 1/4 bhp to spin the ring and pinion at 200 mph unloaded. So I did a 380 mile trip from New Haven to Montauk Pt Lighthouse LI NY, through NYC traffic and back and got 23.5 mpg with my LS7. I'm only supposed to average 18. There were times I was sitting in East Hampton summer traffic for 20 min stretches barely moving. I've been using Amsoil since about 1982. Even use it in my Deere lawn tractor...lol!

That's so awesome!!, I remember how excited I was when I met the inventor of the original wireless remote control!!. I said the same thing "the guy invented the first ever wireless remote control" nice!

@BestForexBroker2024

4 жыл бұрын

Do you mean you actually meet Nikola Tesla ??

Now this is a series that I'm going to enjoy! Thanks for all that technical stuff included, I think you have attracted quite a few subscribers like me, who are here partly because of this kind of stuff. Also nice to notice that you apparently even know something about control theory!

Interesting video and really curious how low you can get on the mpg, very educational. Keep it up Since im European I didn't have a clue what 40 mpg actually meant in our units, but now I do, and it equals to 5,88L/100Km and that I will for sure be very surprised if you can reach.

Thank you for doing this!! You have inspired me to try for (at least somewhat...) similar mileage with my 2005 A4 Corvette C6. Have already done almost 30 MPG (US) with this car but now would like more, with more horsepower. I have a small disadvantage with the 3.15 gears but happily will enjoy the additional performance. Recently purchased HP Tuners to learn more about tuning OEM ecu’s. Looking forward to following in your footsteps. Thanks! Cheers 🍻 Pat

Just to correct you, the catalytic converter has nothing to do with lean burn or cleaning up NOX emissions. The catalytic converters job is to burn off any hydrocarbons (I.e. fuel) that get past the combustion chamber and into the exhaust. EGR (exhaust gas recirculation) helps lower NOX gasses by cooling the combustion process. It works by introducing gases back into the combustion chamber that does not have oxygen. So the EGR gases take up space that is normally occupied by atmospheric air that has oxygen in it. Because of this, the combustion chamber temperatures decrease, thus limiting the potential of melting down a piston or two. My personal experience with all of this involved tuning a turbocharged and cammed 3.1L V6 in a Chevy Cavalier station wagon with a Haltec standalone computer many years ago. I was able to get the tune good enough where it passed tail pipe emissions testing in Dallas, Texas.

Speed limit is 55 mph? Wow, we haven't had that in years.... I live in Texas.

@FELiPES101

4 жыл бұрын

i mean you live in texas

@jamesmedina2062

4 жыл бұрын

AllTheBestNames Right but 80 mph will shoot his mpg goals out of the sky. Best mileage is usually on flat farm highways at lower speeds.

@PacoRobbins

4 жыл бұрын

We have 55 all over here where I live in Texas. All the douchebag drivers go well over 70 mph.

@pablomartinez4716

4 жыл бұрын

Where I live you can go 110 past a cop without them batting a eye

@joeherrjr

4 жыл бұрын

Jeromy Williams - In DFW we have express lanes at 75 MPH. My LS 430 definitely seems to get better mileage at 75-80 vs 65. Unfortunately distance is so short I am unable to measure the difference.

Ahhhh stoichiometry chemistry. One of my favourite aspects of chemistry in university. Extremely precise as well. We use lean burn in carbed aircraft as well. We have mixture valves/knobs that we adjust once in flight (carbed aircraft) to achieve max range of our every lb of fuel. A lot of variables. One key one is to try and keep the same throttle position. I don't know if the c5 can give you throttle position/angle/sensor and make sure that is similar in all tests. Only test on highway. Account for start up/idle fuel burn. Good luck. Its going to be great video/challenge.

@LegitStreetCars

4 жыл бұрын

Thanks for the advice. Appreciate that

@TheBeansta

4 жыл бұрын

rolls royce's new jets are supposed to use lean burn too, but theyre still a few years away

@Lysergic_

4 жыл бұрын

isn't stoichiometry the way to show a reaction? idk how to explain so heres an example "C + 2O --> CO2"

@Jasshands1

4 жыл бұрын

@@Lysergic_ Not quite, you are thinking of stocih ratios assuming the reactants are completely consumed (100% efficiency). Ractants = products. You can use stoich to find the numbers in front of the reactants/products (Ratios) and you can also determine what compound will be created using stoich and atom analyses.

@robertmcenery4344

4 жыл бұрын

I remember the EGR valve was added to allow leaner mixer at low power, it introduces inert gases into the combustion cycle which cools the combustion temperature. The inert gas shinks the volume of the air/fuel needed for the stroke which "shrinks" the displacement when there is little call for power.

Light aircraft are sometimes run "lean of peak". Piston aircraft engines owners often install exhaust gas temperature monitoring for each cylinder. When equipped with "gami" injectors the fuel mixture is leaned until the exhaust temps are 50 degrees cooler than peak temperature. It "sparks" online debate, but saves a ton of fuel. Some claim longevity gains, but that is argued over. Should have said, in piston aircraft the pilot generally sets the mixture himself.

I have a couple of observations that could be of some help. 1. Back in 81, Cadillac had the L62 V8-6-4; basically a boat anchor as I replaced 4 of them in 85 because they literally backfired thru the intake and blew up; with Olds Rocket 350's w/turbo 350 trans. Here's what I noticed on the L62. When you were on the hwy cursing at 70 mph and hit the cruise control, it would deactivate 2 or 4 cyl. Why not try to employ the same scenario; at least as far as the open/closed loop O2 readings are concerned. Use the CC switch in a similar fashion to disable the O2 sensor readings and to also put the ECU back in Open loop. 2. When I had my limo svc back in 2000, I had a client that lived in Plainfield behind the Mobil gas station off of Rt.30 & I-55. He had a 454 Chevelle SS that was f.i. He built & programmed the ECU in his garage w/cyl. deactivation. We took it from his house to the Coal City exit and used just about a gal. Once we got up to 70mph, he pressed cruise control and you could hear a change in the sound but it stayed smooth. On the way back he did the same thing but as soon as you hit the gas, the car took off like expected out of a +500HP BBl; then once he lifted, it went back down to 70mph the same as before running on either 6 or4 cyl. He had 2 separate containers in the car so we could watch the fuel levels dropping in them. Lost track of him when the WTC fell. He was a monthly client of mine for 7 months.

First gen Honda insight had factory lean burn mode in the US

@atspeed5077

4 жыл бұрын

Rex montana I was going to mention this. You beat me to it.

@gsfbffxpdhhdf7043

4 жыл бұрын

That is so bad for the engine

@guruoo

4 жыл бұрын

So did my first new car, 1980 Honda Civic CVCC.

@justinhowell555

4 жыл бұрын

92 Civic VX had a lean burn mode, as well as being able to only open one intake valve instead of opening both intake valves.

@michaelroshko7067

4 жыл бұрын

Gsfbffx Pdhhdf Nah, not really. I have a first gen Insight with 350,000 miles on it, doesn’t even burn a drop of oil, all original motor!

I hope it has a working knock sensor, because you can knock even at low load. If you are tuning it anyway cant you keep the air flow sensor and just change the target air fuel ratio? Discarding it would make it harder to balance on the edge of damaging the engine and force the engine to be slower at adapting to differences, because the lambdas are slow at adjusting and you need to burn the fuel first to find out if the air fuel is correct.

Multiple cars now a days has lean burn, granted they are mainly hybrids but they are out there. The first gen Honda Insight has lean burn but only in the manual transmissions. They also added another cat to help the emissions but were only about to get a ULEV rating where the CVT with less cats were able to get a SULEV rating. Even though the CVT is supposedly better on fuel than the manual, the CVT got 12mpg less on the hwy and 5mpg less in the city because the lack of lean burn. The Prius and Lexus CT (same drivetrain) both have lean burn as well. Side note, a lightened flywheel will actually give you worse mpg. On my 03 insight (CVT) I was consistently getting 64-68 mpg/tank with hwy/city combined. Adding aero panels under the car helped a good 5mpg on my car, especially at higher speeds. I also ran 55psi tire pressure (within the specs of the tires). Other than that the best way to get better mpg is just to drive better. As I’ve said for decades now “It’s not what you do but how you do it”.

best auto video ive seen in a while!! Giving me so much inspiration on what'd i do in the future

When a friend first told me of this project, I originally thought it'd involve cylinder deactivation or making it a hybrid LS. Getting to 40 MPG without either of those changes would be really impressive, especially without sacrificing performance. Keep it up

@deadshot4245

9 ай бұрын

it can be done a stock c5 and c6 already hit 30 to 34 easily if driven correctly

@MuscleCarLover

9 ай бұрын

@@deadshot4245 Somehow I must've forgotten that, I suppose diff ratio and body material helps that (I'd say fibreglass, but I remember the C6 having carbon fibre as well, at least the Z06)

@deadshot4245

9 ай бұрын

yep 3.15 3.23 2.73 are commonly seen on those c6 models @@MuscleCarLover

@deadshot4245

9 ай бұрын

mine was a 3.23 i think been a few years cant remember exactly but 6th gear at 70 was maybe 1700 rpm or less was beautiful for highway cruising but plenty of power i cut off the mufflers and put on some nice oem looking exhaust tips to keep it looking oem. it was quite and throaty at idle and low rpm but if you slammed it turned into a race car volume loved it

@MuscleCarLover

9 ай бұрын

@@deadshot4245 Best of both worlds. I wouldn't be surprised if the 2.73 was reserved for autos

Alex, your post on Facebook for EcoVette led me here because when you wrote, "I don't know but I really like cake, and I really like to eat my cake too!" Let me just say you had me at cake! Mmmmm cake. I think you will get close to the midhigher 30's with out a gear swap.

@LegitStreetCars

4 жыл бұрын

Who doesn't love cake? I'd love to do it without the gear swap but 1000 rpm cruising on the highway would help.

@jamesmedina2062

4 жыл бұрын

LegitStreetCars Alex that will only work on flat lands huh? My drive from Santa Fe to El Paso sees lots of hills. I would think the V8 with maximum low RPM airflow velocity will do well close to 1000 RPM. Maybe special heads? Jet-hot coated small tube headers...etc.

@chinchy111

4 жыл бұрын

Corvette cake mmmmm

@ralphinator2

4 жыл бұрын

@therealnightwriter Duh, that is what the injectors do is vaporize the fuel. You are thinking about carburetor technology more than 30 years obsolete.

@ellenorbjornsdottir1166

4 жыл бұрын

i like having cake and I like eating it. and I don't like being fat. which is why I have artificially sweetened, full-fat chocolate cheesecake.

I noticed that if you use 93 to 95 octane will improve your gas mileage I own a 1999 Jeep Grand Cherokee Laredo with the 4.0L straight 6 with 175k miles I noticed with premium octane fuel 93 to 95 and with Valvoline Syn Power Syentic Oil im getting 20 MOG city and 25 MOG on highway and 21 MPG all around. When regular oil and 87 octane getting 13 city and 18 highway 16 mixed big difference. I noticed a difference in power as well. This is also a 4X4 as well. In the winter with the 4X4 engaged im getting 18 city/ 23 highway 19 mixed with 4 wheel drive working. Also good tires will also help.

I knew a Fella in Mississippi who took a Old Style Caddy 1959 built an adapter plate for the Engine Intake a 390 and installed a one bbl carb on it from a industrial engine. He got 59mpg plus better but averaged 59 overall on a trip to Miami and Back to Jackson Mississippi and the car had plenty of cruising power. GM gave him Hell over it since that car a Tank only got 8-10 MPG. He filmed the ride with several specialists and Pinkerton Security who kept gas receipts and logged every mile and secured it during the trip. He and the car went missing back in the early 60's and my Dad was astonished at the non investigation. I remember Mr. Jack and his big Red Caddy Convertible. Slow to take off but a car that could go forever on the Freeway. I think he said the maximum if I remember right before safe fueling was 1050 miles which he did on the Florida Trip. I think he was on the TV Show "Believe it or Not" years ago.

I’d put a real high mileage hard tire on it with a light rim and a lot of air pressure, lightweight clutch and flywheel might help with the underdrive pulleys, and weight reduction in any area will help, also, running a thinner oil if possible, along with running it lean, adding timing at max vacuum such as when you let off the throttle, will help with efficiency. Remove windshield wipers also

@drivinwithdrew7676

4 жыл бұрын

Rotational mass is definitely more important, I agree there, but I believe any time you can remove weight, your going to be more economical cruising no matter what, other wise every body would be adding weight to their vehicles to get better fuel mileage

@drivinwithdrew7676

4 жыл бұрын

noxxi knox yeah that’s right,

"GM wants to know your location"

I have tons of experience in just this! My gen 1 Honda insight only lean burns at 16.5:1.... but mine is a 2.4l now, makes 250whp NA . still gets 45mpg love the idea!

A lot of GM ecm"s have highway mode built into the programing witch leans out the tune as much as 16 to 1 when under light cruising. my 90 corvette has it and I believe even the 84 corvette has it. it is not enabled in the stock tune because the epa requires cars in the usa to run 14 to 1 afr.

Did the same with my 1972 fiat 600... sort of... Its called cleaning everything!!! It has a 15 or 20 liter gas tank from the factory so everything helps

Alex....you borderline genius you...you are appreciated...🙏🏻

@douglundy5755

4 жыл бұрын

I think he is well over the genius line!

@HeROsiNhEaVeN

4 жыл бұрын

Doug Lundy that would be fair enough to say, he’s the Einstein and Freud of the automotive industry....👍🏻

Great Job! I did a similar project on my 96 Suburban 5.7 auto 4x4. I now get 22-25mpg on the highway with more power and quicker response. After looking at what you did so far, you might add a KN air filter and oil filter, E3 Diamond Fire spark plugs, Bosch self cleaning 02 sensors, an MSD6AL, and Lucas fuel conditioner. Explained: 1-The diamond fire plugs direct the explosion to the center of the piston, not off the side, creating more down force and less against the cylinder wall, plus a hotter spark for more complete combustion. 2- Bosch self cleaning 02 sensors, keeps the readings clean and clear for the computer readings. 3- KN air and oil filter, your engine is a glorified air compressor designed to bring air in at a certain cfm level for max efficient performance, a paper air filter, no matter what brand, will restrict the incoming air flow causing undue labor on the unit to gather the designed operating cfm, The KN air filter will increase the available incoming air flow with less resistance. The oil filter is more free flow than any paper unit and results in reduced engine parasite drag from the oil pump, leaving more available hp to aid in mpg. 4- MSD 6AL(or equivalent) 'Multiple Spark Discharge'. Your factory ignition fires the spark plug 1 time per revolution, whatever fuel doesn't get burned goes right out the tailpipe. Your 70mph cruising rpm is under 2,000. This unit will spark the plug 20 times per Revolution up to 3,000 rpm. This helps to ensure more complete combustion and less fuel lost out the pipe, resulting in more power and less emissions. The 'L' stands for Rev Limiter, I always use this in ANY vehicle that I upgrade, it will not allow the engine to exceed a pre-programmed rpm to avoid internal damage when a friend or family member drives it and feels all that horsepower, eliminates over-revving. 5- Fuel conditioner: Did you know that your engine can only use about 75% of the fuel we get at the pump, no matter what grade? The rest is caught up in carbon clusters that don't burn and end up sticking to valves and pistons, and out the tailpipe. A high quality fuel conditioner will break down those carbon clusters so your engine can turn them into useable hp while reducing emissions at the same time. Each one of these individually will make a small but noticable difference, but altogether and now you've got something great! Almost forgot to mention one more change that we did just recently. A guy came to our shop with his sales pitch, pointed to our 2001 chev 1 ton dually flatbed with a 5.7 auto, and said he could guarantee me a noticeable increase in hp and mpg without ANY of those previous listed items that we did. $300, and If no change, he would refund Every Penny. We all giggled and said 'You're On!', in the name of research of course😁. We let him do the work inside our shop so we could document and witness what he did. A roll of 10guage wire, a box of moisture resistant solder terminals, a multi terminal junction block, a box of self tapper bolts, and an impact drill driver. He said the factory does a Horrible job grounding each and every part of the drivetrain that the computer depends on a clean and clear signal to function properly. He ran 10 guage wire from the transmission, the exhaust catalytic converters near the 02 sensors, the fuel pump, the distributor, the alternator, etc. ** The last thing he did was zip tie 2 large neo magnets opposing each other to the incoming fuel line...... He said the strong magnetic forcefield between the opposing magnets helps to break up the carbon clusters in the fuel, resulting in a more complete combustion (hp and mpg) and reducing exhaust emissions.... We giggled at first but we let him do his thing. We paid the $300 in a money order so we could track it. He said give it 2 week's to notice a difference and call if not satisfied. Obviously our 1 ton dually beast, we had not even bothered to previously monitor the mpg, so we did not have that to compare. But after a week of our shop guys driving the truck, we had little choice but to call the guy back.... We had him do the rest of the trucks in our fleet! Our monthly fuel consumption has decreased with same or more miles driven, more power, quicker response, firmer shifts, there is a definite noticeable difference, paid for itself many times over. You can easily do the same for yourself at home, or find the guy in your neck of the woods that does this, it's a franchise small business, thousands out there! Have a Great Day, And PLEASE film your V8 Eco-Vette parked next to a Smart Car 2cyl 60mph max that advertises 32mpg highway. What a Joke these companies are!

I understood closed loop and open loop from messing with my Hondata Flashpro for my 09 Civic Si tune. You really helped me get out of the box of thinking I had to run 14.7 on the highway though. I currently avg 33 highway with my current tune, but now I know I can get at least 38 by going to 16-16.5 at freeway speeds. This is my favorite tip from all your videos I have watched so far! Thank Alex!

I understood every bit of this, but I still love the random clips.

@davisjames8484

4 жыл бұрын

@12 min in dude is a psycho dont do this

The TA is pretty insane! It looks like the front wheel was almost off the ground when you were launching. And you've got a lot of baby carriages on your street.

Best video series so far. Super interested in how this turns out / think it's a great idea. I also think the goal is achievable. Can't wait to see more.

I did the same thing with my 1995 Miata as far as changing all the oils over using Amsoil and I reg. get 32 to 33 MPG out of it. It does help quite a bit if you change everything over. Rear end, trans and engine. It's one of the best ways to get more gas mileage for little effort and makes things last a lot longer. I am getting this with a car that has 129K miles on it. So I def. agree with you on your choice of oil and reasoning that it's a good start for better gas mileage.

Incorporate some of the light weight Z06 features like the titanium exhaust. Better cylinder heads with a slight compression bump and a custom camshaft. Not a big cam, just one optimized for the combination.

You should upload the tune to the tune repository when it's done. I'd love to study the ve tables

@LT3Fluffy

4 жыл бұрын

2nd that. Would be cool to see what a pro tuner does with this. I'm no pro by any stretch but I can read a ve table!

I had a 99 Camaro that managed 35MPG. This was with the stock 6-speed and a 3.73 rear end. I got rid of it before I had a chance to do more testing after fixing an exhaust leak at one header collector. It had an underdrive pulley to protect the accessories after the valvetrain mods that bumped the redline to 7000RPM. It was lowered, but with the wrong-rate Eibach springs that made for a bouncy ride with the Koni single-adjustable struts that were on it when I got it.

This is very cool. Don't worry about losing us with the tech talk. It was all good information and you explained it well.

Loved this episode can't wait for more! ♥️👍

the reason we don't do lean burn like the Japanese cars in the 90s is because of NOx outputs. It has nothing to do with power output.

@98triffid

4 жыл бұрын

That was mostly the 1980s, and yes you cannot do it anymore. Heck you cannot even run a non-factory catalytic converter anymore. (which will annoy you when you need to replace one because they cost $$$)

Very interesting video! You taught me and some of guys at I Heart My Car some cool tips & tricks, thanks man! Ill be sure to follow this awesome project.

The GM 4.3 Vortec V6 from the 90s had a lean burn mode. It was described in the Chiltons service manual as happening on a operating temperature engine at a constant speed I think over 45mph (when the torque converter locked up) and a steady pedal. My 93 S-10 Blazer used to get ~24mpg with mixed freeway/ 45mph highway with stoplights driving. That was after putting on a freer flowing intake and exhaust, headers, better ignition, synthetic oil, e-fan, underdriver pulley, and my patented steady foot. 93 octane fuel helped increase the mpg by 10% at a cost 10% more but allowed more range between fill-ups.

I don't know if it was just me but I had some ptsd from my dad yelling at me about only tightening the oil filter "hand tight" lol. my stomach dropped when I saw you use the wrench

@almostmechanicbrothers2135

4 жыл бұрын

Seriously! 12:50 PSA - Don't ever do this. I recently spent too much time fighting a filter someone gorilla wrenched down. It's not necessary. Hand tighten the filter until you get good resistance then do an additional 1/2 turn. Please.

@carlhuck7721

4 жыл бұрын

i like to go 3/4 turn just for good luck....lol

@TheFoxhound52

4 жыл бұрын

Yeah, oil filter wrenches should be designed to cam out if ever used in the install position.

I'm impressed, your an AMSOIL guy, I love the stuff and have been using it since the 80's. I have an LT-1 94 vintage and I have a reliable optispark. Will the same apply for my LT-1 which is stock with California smog 65K miles running on AMSOIL? New subscriber, I love high MPG vehicles and have some history with hi mpg. Great video, can't wait for more.

Rewatching the old stuff again. Learn new things every time I watch.!

Great video! So glad you’re using AmsOil! I’m an AmsOil dealer and swear by it for all lubrication on all 26 of my cars!

“Knock” is actually premature ignition of unburned fuel and air inside the combustion chamber. This is due to the near-impossibility of burning 100% of the fuel and air inside the combustion chamber on the ignition stroke coupled with engine temperatures running higher than they were designed for. Without proper knock or temperature control, this can lead to catastrophic engine failure such as bent rods, blowing holes in pistons (especially the weak hypereutectic pistons in LS motors like this one), etc. Running the engine this hot for long enough will also emit Nitrous Oxide into the air. This is why the US doesn’t run their production cars that lean or that hot. Personally, I don’t think that’s a huge deal, as long as the Nitrous Oxide doesn’t blow your exhaust clear off while cruising down the highway lol. Additionally, de-activating your MAF sensor is going to mean you prolly won’t be able ti drive your corvette anywhere besides where you live. You CAN run a tune on an engine using only the MAP sensor, but air density is crucially important to know when running electronic fuel injection. Without knowing the mass of the air along with the pressure if the air going into the engine, you will not be able to manage a consistent air/fuel ratio. I can tell it’s a cloudy fall day where you’re located. Prolly a cool, humid-ish day. Running this tune on a hot, dry day is going to yield a much richer fuel/air mixture, essentially defeating the purpose of this build. Running it in the cold can lead to extreme lean-outs, potentially destroying your engine. It’ll be interesting to see how long this lasts and what your results will be in the long run, but I wouldn’t recommend anyone doing this to a car they plan on keeping for while.

@cpscps2679

3 жыл бұрын

He said "NOx," not knock. Oxides of nitrogen, like nitric oxide or nitrogen dioxide.

@WirableCrown1

2 жыл бұрын

Burning lean decrease temp, as does running rich. Car engines are the hottest when running at perfect gas air ratio. I believe you are thinking of piston aircraft, running rich decrease temp and lean increases temp for them.

The original reason the US army air corps investigated water methanol injection was to facilitate lean burn and thus increase the range of their bombers. The Germans used it on some of their aircraft to counter poor quality fuel on boosted engines Adding a water methanol kit to a lean burn tune is a must as it will cool the combustion protect the engine and reduce nox.

@LegitStreetCars

4 жыл бұрын

Great thinking!

Awesome, I'm thinking about buying a 2004 Corvette and these mods are simple and easy to do and install yourself.

I wish my teachers growing up would have used this method in class. Teacher: "Today we'll talk about the factors behind the United States' decision to enter WWI, but first here's a Trans Am running a 9.71 in the quarter!"

@badlydrawncars6460

4 жыл бұрын

Lesson on the U.S. constitution and freedom

Didn't Chrysler have a lean burn engine in the 70's-80's? Chrysler Cordoba

@LegitStreetCars

4 жыл бұрын

Hmm, I have no clue but that would be cool if they did

@aaronhayden1780

4 жыл бұрын

My 1983 d-100 has lean burn but is sucked ass so I took it off

@c5back9

4 жыл бұрын

Yes, they were dogs that made all of 125hp on those rare occasions when they actually ran.

@79tazman

4 жыл бұрын

Yeah Chrysler had the first on board computer the lean burn system started in 1976 they worked good if you had someone that knew what they were doing with it but most people and Mechanics did not so it was replaced with the standard Electronic Ignition system. It was just too advanced for their time but it did work great when working properly.

@79tazman

4 жыл бұрын

www.allpar.com/mopar/lean-burn.html

Love it man, any car person who says... I’m going to replace it OR I have to replace it with “this shinny red one” is true with the spirit of cars. Awesome video by the way.

Love it! Thanks for the variety.

Didn’t that throttle body have a special coating that you removed with the wire wheel?

@phantom240

4 жыл бұрын

I don't believe so, but I'd NEVER use a metal wire brush or wheel on a soft aluminum throttle body. I cringed so hard when I saw him do that.

@TrekkerMoto

4 жыл бұрын

Yes. It may start setting a throttle body code now

@jasonmefford4312

4 жыл бұрын

Yes it does. He'll be replacing it soon

@awdmute

4 жыл бұрын

I audibly screamed. Coating or not...

Just watched the video and had some comments on lean-burn. Before I get to those, I think you should easily achieve your 40 mpg goal. Now back to lean-burn. I have a 2001 Honda Insight with the 5 sp MT and it has lean-burn. The manual says it's capable of going as high as 23.5:1, but the highest I've seen is 22.7:1 and it's usually at 22.5:1. As far as running hot, that really will only happen if you are trying to run under too high of a load. My car's programming will cause lean-burn to drop out if the load gets too high so that's never an issue for me. In fact, in summer weather here in northern Indiana, the coolant temp will typically drop from 205F to around 199F...when it enters lean-burn. Also, in the winter when it gets down around 0F and it goes into lean-burn, you can watch the coolant temp drop from 160(ish)F to below 152F withing just a mile or two, at which time the ECU says, "No more lean-burn for you!" and lean burn goes away until the coolant gets back over 152F. Again, with what you are planning on doing, I think 40 mpg is very doable...and possibly even higher.

@PurpleHeartVR

4 жыл бұрын

That's your O2 sensor maxing out, No car will even run over a ratio of 20:1 and maintaining speed and not melting a piston, good luck.

@SENIORDUDE63

4 жыл бұрын

@@PurpleHeartVR I'll have to respectfully disagree with the 20:1 limit, at least as far as this car is concerned anyway. It will go for 3 or 4 miles at 60-65 mph until it drops back to stoichiometric (when it does a programmed nOx purge) for a mile or so and then back to 22.5:1 and keeps repeating that all day long. At slower speeds the time between purging is a bit longer. Look into the specs for the 2000-2005 Insight for more info. In regards to the video, I think he's going to be fine with doing this with the Vette.

Hi, Alex I had a lean tune in my 2003 holden ss ute fuel down to 7.3 litres per 100kph it made 221 rear kw since then i have put a magnacharger kit on it with a custom tune.

I love how well put together this is. It’s super informative! Great stuff :-)

Making a car economical is surprisingly similar to making it faster. Idk if you are going to do a lot of aero like vented fenders and ducted radiator. That would reduce drag on the body

@Mavrck-it2kq

4 жыл бұрын

Wind resistance at highway speed isn't going to account for much of a mpg gain. Even if he completely changed the body and made it a perfect tear drop it still wouldn't give him 5 mpg.

@NatoriousGamePlay

4 жыл бұрын

@@Mavrck-it2kq you'd be very surprised actually. Look at the ecomoders forums. They test and have numbers. Some people nearly double their mpg. It's wildly impressive. Shame that it's not exciting

@Mavrck-it2kq

4 жыл бұрын

@@NatoriousGamePlay most of those guys get biased non scientific results. Much like many people they go looking for certain results and make sure they find them. One tank one time doesn't count and no person is doing 20k miles of testing on their own vehicle.

@NatoriousGamePlay

4 жыл бұрын

@@Mavrck-it2kq they don't have the budget or time a manufacturer does. But they do test and report their findings. They use actual data. It's about as scientific as one can reasonably get. Either you don't read their posts, or you just are generalizing. They do wind tuft testing, they go several hundred miles after one mod to see a difference, etc. It's not just them lying to themselves. Their whole thing is making cars more fuel efficient

@Mavrck-it2kq

4 жыл бұрын

@@NatoriousGamePlay Yeah several hundred miles downhill. Lets say hypothetically he got the vette to 40 doubtful but whatever. Without sacrificing anything? That's clickbait nothing else. I can get a vette to 40mpg put a Prius drivetrain in it. But its not a vette.

I want that firebird 🔥🔥

Was just about to say lean-burn and you mentioned it in the video. This is a cool idea and one nobody has done yet!

@LegitStreetCars

4 жыл бұрын

I'm pumped!!

Just love your show Alex! So informative and super interesting! )))

Your mentioned of AMSoil was enough to create a comment storm.

I love the idea of fuel efficient sports cars lol.

@therisensun9277

4 жыл бұрын

The fifth gen Celica is a great example! I have a 1992 Celica ST coupe with a five speed. 250k miles, and I drove it cross country loaded down with everything I own and I averaged 36mpg! It's the coupe, so it's less aerodynamic, but it's fun, efficient, cheap, and reliable!

@sebastiangarcia-yb5ro

4 жыл бұрын

Mitch Nelsen is this you Scotty?

@therisensun9277

4 жыл бұрын

@@sebastiangarcia-yb5ro I'm Scotty's cooler and younger brother

I can't wait! I have a 99 2-door Tahoe with a 5.7L. Because mine is over 15 years old and I live in Massachusetts....I do NOT have to pass emissions. I already did a cat delete, now i just need to finish it off with a tune. I only get about 10mpg.

Several Hondas ran lean-burn in the US. Civic VX, Civic HX, and stick-shift 1G Insights. California versions of all these cars were non-lean-burn for emissions. The problem with NOx is only partly due to temperature. Lean burn is only possible at low load so that keeps temps inside norms. The problem is, 3-way catalytic converters get loaded up with oxygen when it is present in the exhaust. With a stoich mixture, there is little or no unburnt oxygen in the exhaust but in any lean engine including all diesels, there's a ton. In the VX and HX, Honda fitted a 2-way cat which didn't have that problem, but also didn't really scrub NOx. By the time the Insight was made that wouldn't fly anymore, so they used a special cat with a high oxygen capacity, and then when the sensors see the cat stop working, it pops out of lean burn to "purge" the oxygen. California was having none of that, and by the time the 1G Insights were done, the rest of the US wouldn't tolerate it either.

So no "while you're in there" modifications? Sad. Lol

The original Honda Insight runs lean burn from the factory and is legal in California! However it has a factory wideband O2 and multiple catalytic converters to mitigate NOx emissions. It also has factory indexed spark plugs, which is something I’d look into doing on your Corvette to maximize combustion efficiency.

@jareknowak8712

4 жыл бұрын

Same as old 1.8 GDI from Mitsubishi. 5.0L/100km on a highway in a compact minivan.

@jareknowak8712

4 жыл бұрын

Spark plugs will not increase or decrease mileage. No way.

@J-Eagan

4 жыл бұрын

www.enginelabs.com/news/getting-ignition-spark-plug-indexing-101/

@MilesPrower1992

4 жыл бұрын

Can I put lean burn on my Corolla?

@jareknowak8712

4 жыл бұрын

@@MilesPrower1992 www.hpacademy.com/technical-articles/tuning-to-improve-fuel-economy/

I got 33 mpg on my 03 Z06 coming from LA to Dallas averaging about 75 mph. These cars do very good!

Putting in a taller 6th gear might put the rpms out of efficiency if the load is not decreased sufficiently. Tires with slightly smaller diameter, much less width, and a proven efficient tread/compound would help mpg immensely. I went from 225/60R17 to 225/55R17 tires on my '16 forester & went from city+hwy 27 to 29mpg, I then installed 235/65R17 truck tires & dropped down to 23mpg. Also fitting an air dam that reaches low (but flexible enough for speed bumps/etc) should gain you 1-2mpg. Somebody mentioned downforce could increase tire resistance so possibly having it angle back and down so air is not directed upward. Some sort of soft (again for speed bumps) side skirts & rear diffuser might help as well. Possibly a professional ceramic paint coat could help. The most straight through exhaust (mufflers typically have back & forth chambers) with slightly smaller diameter mandrel bent tubing. This will be more efficient for low rpm cruising, but still sufficient for WOT (especially if high flow cats are legal for you). Also wrapping the headers in fiberglass should keep the exhaust temps up for more efficient gas expulsion. Going to a larger diameter exhaust especially if it is allowed to be long and resistive with mufflers/etc. allows exhaust gasses time to cool and become more dense filling all that extra space with more & heavier gasses to expell out the tail pipe creating even more resistance in your too fat exhaust system. Lastly if lowering more than .5" after you blow the shocks get some that l are designed for a lowered vette. Ideally you would want stiffer springs so you dont hit the bump stops and approach the compression limits of the shocks as often.

Chrysler had their Lean Burn system in the 70s.

@gadget73

4 жыл бұрын

@MrQuickPick Hartford, CT It was the 70s and used pretty primitive electronic controls bodged onto a carb. Idea was good, execution not so much.

@98triffid

4 жыл бұрын

@@gadget73 The Honda CVCC system worked quite well with 1970's technology but they weren't humming the mission impossible theme song and trying to make a fuel efficient 440ci V8, something that's not even possible in the year 2019.

They get 30mpg from the factory - shrug -

Corvette LS1 Ecomodding, You sir, have peaked my interest. You are right on the Chicagoland traffic gasguzzling. I am looking forward to the next vid.

Cool project, I am excited to see if it can be done!

Add a restrictor plate in the intake and optimize tune. Less air=less fuel

@Hamza-or7jm

4 жыл бұрын

@@Justpassingb1 nobody said anything about power.

@DocR16

4 жыл бұрын

@@Hamza-or7jm if you actually paid attention to the video, that's one of the first thing he said. He didn't want to lose performance, bit enhance it. Learn to listen

@Hamza-or7jm

4 жыл бұрын

@@DocR16 oh forgot to pay attention, lol. Delete restrictor plate, add 12:1 compression heads.

@littlerhino2006

4 жыл бұрын

@@Hamza-or7jm and then never be able to drive it on the highway beyond half the distance from home because it would require race fuel 🙄

@Hamza-or7jm

4 жыл бұрын

@@littlerhino2006 10:1

You should have swapped out the intake for the a Dornan LS intake.

@miralemnermina142

4 жыл бұрын

doesn't help fuel consumption

@DBSSTEELER

4 жыл бұрын

Ante Radić Sure it does. Flows more air in the top end it makes more torque down low. This allows you to get moving easier and run leaner once you’re at speed.

@atx-cvpi_99

4 жыл бұрын

Doorman is garbage.

Commented this already ,but after having to trade in my twin turbo Cadillac hwy machine I had to get a Hyundai. Luckily, they had a hybrid which gets 50mpg running speed limits. 40 running 90mph! After checking several models of Tesla with my car insurance and seeing the 6 month quote sky rocket, I found your channel. Knowing c5s and get 30 and C6s can get 28+...I was dead set on a stock or supercharged stock engine vette with a manual tranny. Now!? I'm ecstatic! Yes I want the handling and speed of a Vette. However I daily between 125-200 miles a day, currently 280....A DAY! 6 or 7 days a week. Life in construction lol. Anyways, I could never afford or choose not to lol getting 15mpg. Thanks for making this video!

Many late 1970's chrysler products were made with factory lean burn. So yes there were examples here. My friend's 1979 Chrysler had the system stock and it knocked down 25mpg highway it had the ESC computor on the air cleaner, 2.45 rear gears, and a 3 speed auto with lockup convertor. The car is much more fun now with deep gears and a 408 stroker, haha.

Miatas are sitting at 4k RPM on the highway, its hard to get good mpg in them

Know a man in Texas who converts all the lubricants in cars with Amsoil lubricants and the vehicles get a couple of more miles to the gallon.

@MilesPrower1992

4 жыл бұрын

Would I get the same with Walmart full synthetic?

Hi Alex, William here from Indiana. I am a 62 year young true gearhead. I have always been interested in many different aspects of vehicles . Now to your eco vette, ,love it. I am close to buying my second Corvette, first one was a old 1980. I am looking at a 2003 Corvette. Little pricey , it only has 42,000 miles. But I sure am enjoying your videos on KZread. Brother keep it downloading them, please. Looking forward to your next one. Oh yea, Sanctus Vianney made a comment about finding you on FaceBook at some called EcoVette. Well I looked it up with no luck. Can you help me out ?????? Thanks.

Excellent project. I have a procharged c5z that knocks down 27ish cruising down the road, with 390 gears. I think you will hit your goal. I have played with this same idea as a good efficient daily.

"Eco" is not the word with the amount of NOX you will produce,burning lean....

@fascistpedant758

4 жыл бұрын

I think he means economical, not ecological. I also think it will be neither.

@TheVenom8343

4 жыл бұрын

Oh shut the fuck up!!!

Miata is so poor due to short gearing so 60 mph you are sitting at 4k rpm corvette 6th gear probably at 2-2500 rpm

@MrSlowestD16

4 жыл бұрын

Not even, that high, I don't think. On my firebird V8 6th gear is practically unusable below 60 & that has the same T56 with probably similar ratios & rear. The 6ths are stupid tall. Yea, the miatas are short as shit, in autocross you always hear the miata guys slamming the end of 2nd through the slaloms.

@rmksledhead63

4 жыл бұрын

Under 1500 rpm in my C6 at 60 mph in 6th

@robertdevito5001

4 жыл бұрын

My 1987 c4 chugs at about 1700 rpm in 4th gear at 60 (automatic)

@iDriveDaily

4 жыл бұрын

You'd be doing triple digits at that RPM in a C5. 1500 RPM is pretty standard for me at 70 MPH and at 75, I'm probably 1700 RPM at most.

@98triffid

4 жыл бұрын

Nothing new there, early Toyota Corollas shipped with 4.88:1 gearing. When you're trying to make a sports car with only

First gen Honda Insight with a manual transmission had lean burn from the factory. You would get up to speed, back off the throttle a bit and the MPG gauge would shoot up from 50mpg to 100+. Then you re-apply the throttle gradually and cruise at 75mpg @ 55mph. Honda said 18:1 AF ratio but owners with wideband gauges reported up to 26:1. Unfortunately it would not maintain lean burn at higher speeds and loads. I also worked on early Honda CVCC once, they used lean burn but in order to get such a lean mixture to light up they used a small pre-combustion chamber inside the carburetor, the engine would ingest already burning fuel and air mixture.

Awesome video, content like this is why I like your videos so much.

How about tuning for a cylinder deactivation every eight th stroke too.

@Blasterxp

4 жыл бұрын

You need a system to keep the valvles open

@chillmal6271

4 жыл бұрын

@Bas BlasterXP no you don’t you can just let the car open and close valves as usual and just deactivate ignition and injection the only reason valve timing is changed is to reduce the like 1-2% pumping losses you get for compressing air in the cylinders even though you don’t need to

@chinchy111

4 жыл бұрын

He wants to keep it a v8

Loved the wheelie on the 9 second Trans am pass

When you say Lean Burn I was thanking about the late 1970's and 1980's Chrysler Lean Burn carburetor as these were alright when they worked but once it was bad they were chucked in the garage can and put back to direct ignition.

Great info thanks! However I really wouldn’t tighten the oil filter with a wrench.

@toodanderson351

4 жыл бұрын

Usually not a problem if you have a wrench to get it off. C5 oil filters like to come loose.

@DiscoFang

4 жыл бұрын

Kevin Tucker - Maybe you wouldn't but those who know what they're doing can. Turning a filter 3/4 turn after it seats is no different whether done by hand or by wrench.