Junkyard prices on LS3s are insane! I'm seeing prices from $6k-9k for 100k mile engines. You can buy a brand new GM long block for $4999 all day long with a 2 year 50k mile warranty. LY6s are more reasonable in the $1500-3k range.

@james10739

5 ай бұрын

Ya and I mean a 5.3l or 4.8l with a turbo is going to be able to make more than any NA ls3

Richard it's crazy how productive you are with these videos. Every day or so, you put out a video that has as much information as one of your old magazine articles that would only show up once a month.

Everybody needs a laminated cheat sheet that decodes all the LS and LT motors when you go junk yard hunting.

@rhiannonbittle1454

3 жыл бұрын

I wish I had one.

@HAMMER_2.2

3 жыл бұрын

YES

@thunder57

3 жыл бұрын

Throw a screen protector on your phone. Boom. Laminated.

Finally a apple to apple comparison! Which proved what we had already had thought in theory and further prove that the LY6 is the best bang for buck LS style engine! You get the cubic inches, you get the best factory heads and the best factory intake at a budget friendly price!

@ShawnGilbert1967

3 жыл бұрын

If they would have been same compression, then we would have had an apples to apples comparison, with a tiny edge to the 2x priced 6.2l

@crw3673

3 жыл бұрын

In all the time I have been following Richard, this is the closest comparison I have seen. To be honest I didn't realize the LS3 had a higher compression, but makes sense. Performance engine VS truck engine 🤔

@ShawnGilbert1967

3 жыл бұрын

@@crw3673 over a full point its a lot not a small amount

@crw3673

3 жыл бұрын

@@ShawnGilbert1967 one of these days, pow zoom!

Thanks so much! I enjoy all your content, this one is reliving to me as I'm choosing between 1800 for a 6.0 or 3400 for a 6.2 it's quite the price increase for a natural aspirated 10 hp difference. Really made my decision ALOT easier!

Thank you for this test Richard, very relevant to what I'm doing .

@erikrapoport7318

3 жыл бұрын

Agreed! I'm building a "mild" 6.0 LQ9 with LS3 heads and a lumpy cam. This gives me an idea of what i can expect, so i can order an appropriate clutch

There is also the 6.0L L76 that came in the Pontiac G8 GT. It is all aluminum and doesn't have variable cam timing, although it does have displacement on demand. The Pontiac G8 GXP came with the true LS3 6.2L and the difference in power once the GT 6.0 guys throw in even a stock LS3 cam is negligible considering it has 10.4:1 compression, just slightly less than the 10.7:1 in the LS3. It is a great motor. Basically an LS2 with the amazing LS3 heads. I loved mine until I wiped some main bearings, so in went a custom LSX454 lol

This answered so many questions for me. Thank. You... L96 it is for me

Thank you very much.... that answered many of my questions.

Would've loved to see LY6 vs L92/L94, so they're both truck engines (slightly lower compression vs LS3, and much more likely to find in a yard)

@Liquidsteel3

Ай бұрын

I have to agree.

@areal1735

29 күн бұрын

😎🙌🏾

Since I'm a road racer, I'm a sucker for aluminum blocks. I can't stand the thought of putting an iron block 6.0 in my Camaro. The extra 80-100 pounds in the front would be the wrong thing for balanced handling. I have thought a lot over the years of adding power, but in road racing, you can't just add power. You also have to add brakes, because it's nice to be able to get into the turns after you have enjoyed the extra power down the straights. Even when stock, the LS1 had more power than the stock brakes could handle. If I drove as hard as I could, the fluid would boil and the brake pedal would go soft in about 3-5 laps. So I made a DIY front brake upgrade kit using C5 Corvette rotors and calipers, and ran 3.5" ducts to cool the calipers. Braking problem solved. But I still dream about driving a 1000 hp car on a road course. It would be cool to be on a track with long straights like Road America, VIR, or Daytona, and have enough power to make them seem like go-kart tracks. I could pass anybody on track with a gentle squeeze on the gas pedal, and would probably have too much power to go WOT for more than a few seconds on the longest straights. Can you imagine trying to get through the Kink and run to Canada Corner at Road America with that much power?

@TwoLotus2

3 жыл бұрын

The thought of driving a door slammer Camaro at Road America, with 1000HP and C5 brakes terrifies me. So I will stop imagining it now. 😜

I found a L92 at a junkyard in Detroit. it's slowly becoming a turbo ready 417 with stock ported heads.

Thank you for another great video full of knowledge !!

Would like to see this with a thicker head gasket on the ls3 and maybe thinner on the 6.0 ( yes I know they are often positive deck and you have to be careful).. I feel like compression equalized would make so similar power the LS3 money could be better spent somewhere else

Thanks Richard for confirming a my feeling of using the 5.3 liter LSx aluminum blocks, the L33,LH8, LC9 for making big HP from big boost as opposed to the bigger displacement alum LSx blocks, by revealing your "general rule". For me the 5.3 alum blocks is a near perfect combination of super strength from the thick cylinder walls and the light weight and superior heat dissipation properties of aluminum.

Richard, most people, when speaking as fast as you do, aren't nearly as intelligible. Kudos! I haven't any idea of how much rehearsal you do before you do your "voice over" but you impart a tremendous lot of info quickly and clearly. I've picked up more about engine response to mods, particularly boost, from your presentations than the 60 years of "play" have so far gained me! Thanks! FR

@richardholdener1727

3 жыл бұрын

Thanks! 😃

@fredericrike5974

3 жыл бұрын

@@richardholdener1727 As always, you did the work!

The 6.2 has a .065 bore size advantage. Doesn't make make much of a difference. The 6.0 is down 1.1 points of compression compared to the 6.2. 9.6:1 vs 10.7:1. The arguments can end.

@demariowalker7173

3 жыл бұрын

I like the ppv L77 that a combo of both

@alexbautista1858

2 жыл бұрын

What argument?

@dennisrobinson8008

Жыл бұрын

4% from compression and about 2 to 3% from the .2l.

Richard I'd think it'd be great to see a test on a Gen 3/4 5.3 and 6.0 with the new Gen 5 L8T crank. Would be very interesting to see a near square motor on an LS using essentially a SBE if the stocks pistons can work, as well as what type of top end combo you think would work best with that for different circumstances. Love the videos, and your enthusiasm to share knowledge, keep it up!

@batasspp

3 жыл бұрын

For what that L8t crank now costs you might as well go 4.00" stroke and get a better piston selection.

@timothybayliss6680

3 жыл бұрын

If you can get an L8t crank you might as well go with the whole engine. They have lt1 heads and cam stock, the intake manifold is different and so are the pistons but the lt2 c8 intake bolts right on and it less than $300 from gm. Serious that L8t with longtubes, camshaft and lt2 intake would smash through 600hp on the engine dyno.

Thank you! Being a Mopar guy always wondered what’s the difference?

So basically the 6.2 makes 10hp more from displacement and 10hp from more compression.

@bowhite1293

2 жыл бұрын

Rule of thumb is 3% more power for every point in compression. Within reason of course.

@james10739

Жыл бұрын

Well he said that was with the ls3 cam but ya a stock ls3 would lose to a ly6 with a cam if everything else was the same

Always putting out good stuff Richard. some day, if you guys get efi live or hp tuners. I'd love to see some VVT cam comparisons.

@richardholdener1727

3 жыл бұрын

i run holley on the engine dyno

Thanks Richard. As if the LY6's weren't hard enough to find, you've now single handedly raised the price of them. Just as with the CTS blower. But we still love ya. Keep up the awesome work.

@shadowopsairman1583

3 жыл бұрын

Not really, go to pick a part lol

@richardholdener1727

3 жыл бұрын

WORKS WITH AN LQ4 OR LQ9 WITH REC PORT HEADS TOO

turbos are the ultimate equalizers! low on inches... add boost!

I absolutely love this channel so much its so interesting and im a hardcore dodge plymouth guy lol

My man you keep pumping out this JUICY content 🔥🔥💦

Straight fax no bs here 💯

Have you ever put together or tested a high compression (12.0 +) 6.0? It would be interesting to see a more max effort 6.0 na combination. It would seem to me a good alternative to a small or even big block in a restomod muscle car. I think it wouldn't be difficult to make 650 - 700 hp.

Another great post Richard.....have you ever thought of a site with some of your setup tunes on it for us great fans..? Thanks for your posts

@richardholdener1727

3 жыл бұрын

YOU DON'T WANT MY TUNE-ITS ONLY WOT

@brunothinkshecan7305

3 жыл бұрын

@@richardholdener1727 wot tune for 1/4 mile cars 🙌

What I’ve been trying to figure out is if I can replace the expensive L92 6.2 with a 6.0 vortec if mine ever takes a crap in my Yukon. Everyone swaps the other way, not backwards, all though you can easily make the same power as the stock L92 with just a cam.

566 horsepower for the 6.2 with the comp cam vs 541 horsepower for the 6.0 with the same comp cam with less compression thinking if compression was equal to the 6.2 on the 6.0 the 6.0 would make 550 to 555 horsepower so really if all things were equal on both engines so the 6.2 is somewhere 10 to 15 horsepower over the 6.0 if compression was the same

"Oh no what are we gonna do it's a rect port head" 🤣🤣🤣

That compression really helps it down low.

I would love to see this comparison on a really tight road course.

I pulled some trailers with quite a few 6.0s and I've never been impressed. Was hoping if I dropped at 62 in a project that I was going to increase power in that it would make a substantial difference but it seems like it wouldn't be overly much

Would the 6 litre stand more boost because of the lower compression and make similar power for far less$$$

Not sure if it's an anomaly or just me, but it looks like there is also 50 ft/lbs difference in torque @ 2900 rpm which I would think would be more beneficial with a heavier vehicle to get it moving quicker/more efficient... this would also more more appealing to those folks who use their truck for hauling or pulling. I'm curious to see if how that torque curves compare from right around 2000 rpm

6.2l block is different in good ways.

I am now more encouraged to boost my ly6

Found a car for my street/strip project! It's a MGB GT! I don't think I'll be able to use the early SBC 350 due to the distributor clearance. I might look into a 5.3, 6.0, or 6.2. The latter being an all aluminum motor might help on weight. Which do you think? The car is a hardtop version with a sloped roof at the back which will work good for the rollbar.

I want to see these two engines compare the 54-459-11, 54-602-11 & the BTR Stage 4 truck cams. I can't seem to decide on which one to get for my SUV.🤦🏾‍♂️

Good Comparison Rich. Lets see what I can learn. Where is the Super Chat?

@richardholdener1727

3 жыл бұрын

THAT'S ON THE LIVE FEEDS

@THE_ORIGINAL_I-SEARCHdotFUN

3 жыл бұрын

@@richardholdener1727 Oh it just popped up as if this one is live. March 13. Oh you do not make live chat on all vids. Ok I get it. But are ya losing cash?

541 vs 566 HP is a negligible difference that no one will notice in the real world.

Wow. Thank you Richard. I never thought it would only be 15-25hp/tq difference. Not worth the hype of the 6.2 in my opinion for the premium price

@ShawnGilbert1967

3 жыл бұрын

Especially when the 6.2l was running a full point higher compression, the 6.0l would be within 10hp on same compression

@chipcurrey653

3 жыл бұрын

Why did you think a 3.2% displacement increase would make such a big difference?

IMHO - I'd bet that most of the power difference is from the added compression that the LS3 has.

the weight savings would seem to be worth the added price for most applications

If the compression matched i bet it will be ALOT closer, 9.6:1 vs 10.7:1 and only made 20hp more.

@dennisrobinson8008

Жыл бұрын

1 point of compression is approximately 4% more or less torque

More cubes more power baby! Unless DOHC, but then those are just bigger motors in general

@Levibetz

3 жыл бұрын

Still works the same! More cubes, and more rpm? MORE BETTER!

@60weHoodsta

3 жыл бұрын

The fact that A Ford 5.2 produces more hp with less cubes is amazing.

I wonder what the power comparison will be with LY6 with LQ9 pistons

I can't afford either so I'll stick with my $600 gen 5 bbc 😂

Think the ly6 having less compression is the biggest difference between the two.

I stumbled across an LY6 and I’m happy to use it in my ‘71 C10. That said, the LS3 in this video was a bit weaker than most, for some unknown reason. Most seem to make 10 more lb-ft and hp than this one. The expected difference is easily explained by 12 cu in and a full point of compression (10.7 vs 9.6). Expectation from 500-ish hp and 376 cu in is about 20 hp from the compression ratio. Likewise, 12 cu in should be about 16. So the LS3 should have been in the neighborhood of 35 higher than the LY6. For me, price won the argument regardless, and I’m blessed to have the 6.0. For the boosted application, I’d agree with Richard’s comment that the L33 would be the best choice. Not cheap but way more affordable than the LS3, all aluminum, and just add boost to get whatever power you need. 500-ish horsepower will be plenty for my driver C10! Thanks for the comparison, Richard!

@richardholdener1727

3 жыл бұрын

I'VE RUN A DOZEN OF THESE LS3 CRATE MOTORS-THEY ARE ALL WITH 1-2 HP AND 1-2 LB-FT OF THIS MOTOR

@bdugle1

3 жыл бұрын

@@richardholdener1727 I looked up your LS3 crate motor YT with 469 cam, part of the EFI intake shootout. You said 581 hp, 523 torque for the baseline. I’m thinking 575-580 is typical for the cammed LS3-that makes this one a little short (watching KZread, not testing on a dyno!) OTOH, I agree the base crate engine numbers were about as expected. Still not quite enough difference, but nothing repeats exactly. I’m planning to run a 225° intake cam in my 6.0 with 823s for better manners with a stock stall torque converter in my driver. If I get 500 at the crank, that’ll be great!

When will you be able to do a 8.1 chevy vortec. With intake mod, bigger thottle body and BOOST

Do a dodge 6.4 vs 6.2 Hellcat, and a 6.1. All Hemi shoot out.

@blixxy1320

3 жыл бұрын

$$$

@tedbundy6909

2 жыл бұрын

That would be legendary

Ly6 9.6:1 vs ls3 10.7:1

@codywilliams3602

3 жыл бұрын

Damn I didn’t think it was that much of a difference

@ShawnGilbert1967

3 жыл бұрын

Yea it huge and would habe equalized the shit out of these engines out puts...if I have one complaint about Richard is he doesn't factor that into his apples to apples like he should...

@Dan-rg7jj

3 жыл бұрын

Yeah but look how much torque it lost under 4k with the ls3 cam vs the lq4 cam in his junkyard 6.0l cams video. For 20hp gain up top not worth the ls3 cam imo. I'd be switching it out. Even on bigger motors like 6.2s for street driven.

@thunder57

3 жыл бұрын

@@ShawnGilbert1967 what kind of drugs are you on? Richard went to show the world what you should expect power wise if you ran a junkyard LY6 vs 6.2 aluminum. This gives a consumer all the data they need when it comes to throwing down the cash for a build.

@masta51

3 жыл бұрын

@@Dan-rg7jj 20hp non boosted, most of these motors are going to a power adder where every penny counts to the dollar that is 1000hp

I know this is kind of a silly question, but what would it take to spin a 6.0/5.3 iron truck engine to about 7500 RPM? If you used better rods and stiffer springs (And obviously a cam designed for high RPM) would that be enough? Or would the stock pistons/crank let go at that speed? Just thinking in my head a cheapest way to get a screamer LS. Obviously boost is better, but different can be cool too. Thanks for the video.

@rustysausage69

3 жыл бұрын

Pistons and crank don't break under RPM unless you money shift. Also, 7500rpm in the grand scheme of things is not very high for an LS, 8000-8500 is what I would consider high, this is all COMPARATIVE though. In the 1960s, the L79 327 SBC was considered a "high winder" and that camshaft makes peak power at 66-6800rpm Anyways....It takes nothing to spin it out there other than cam and valvesprings. It takes a big cam and single plane-style intake manifold to make peak power at 7500. Small displacement, BIG CNC head, BIG cam, and decent compression, POLISHED CRANK and GOOD BEARINGS is the recipe for reliable 8000rpm that will outlast you and me. 234@.050 cam, LS1 head and single plane 6.0 I built made peak at 7200, revved to 7500 no problem. Stock LQ4 bottom end, no special bearings or anything. 251@.050 cam, 11.5:1 CNC LS3 head stock intake 6.0 I have now makes peak at 6800 but would make peak at 7800 with a single plane. Forged bottom end with good-er bearings, again nothing special.

Kinda wish you would have test a LQ9 instead of a LY6 for comparisons

Excellent

What air to water intercooler setup Is that and where can I find it

I'd love to see a dyno comparison of h-pipe vs x-pipe vs straight pipe. Im having a hard time picking between a h or a x.

@FiveBoroNative

3 жыл бұрын

The increases aren't large so go for the sound you prefer. Engine masters did a test on H-pipes vs X-pipes. It's on KZread somewhere

@rustysausage69

3 жыл бұрын

X is quieter and makes MARGINALLY more power than H, per the engine masters episode.

@kennethscofield4565

3 жыл бұрын

I love the sound of my h pipe.

just a thought. the iron 6.0 can be bored. 30 or. 40 thousands and change the pistons wouldn't you end up with an iron 6.2 or larger and similar compression ratio. other than weight saving I like the iron 6.0 because like you said it will take more boost.

@timothybayliss6680

3 жыл бұрын

You can punch iron 6.0 blocks to 4.065 to get factory 6.2 bore size.they can still get boosted but if your gonna turbo it why wouldn't you just cut it to 4.020 to keep the walls as thick as you can? It's like 9 cubic inches, it won't make much more power because of the displacement but will reduce the head gasket clamp area and wall thickness enough I wouldn't do it.

@relativeunkown6881

3 жыл бұрын

In a NA application had a few friends punch the gen 3 iron to 4.065 and ran stock LS3 piston... worked good, engines have gone 3 plus hard years without issue... but boost on this combo is definitely out of the question

Excuse me for going off topic here, but I am looking through your small block Ford videos and I do not see(yet) any that show the difference between an older carburetor head, a lower spec sbf EFI head (like my 94 F250 has) compared to the E7TE, the GT40 Explorer, and the GT40P Explorer head (and is the Explorer intake better than the Mustang / T-bird intake). Have you done such a comparison, and what was the title. Thank you

@richardholdener1727

3 жыл бұрын

I HAVE TESTED EARLY 289 HEADS (NOT GOOD), THE 69 351w HEAD IS BETTER THAN MOST STOCK w HEADS, THE GT40 AND p HEADS ARE VERY SIMIALR IN POWER, THE EXPLORER IS BETTER THAN THE 5.0L H.O. INTAKE

What's the weight difference between the all aluminum and iron block

Just picked up an ly6 with 821 heads for my 87 iroc

Ah yes the running Song

We need more 6.0L builds

I wonder which would be the better choice for a daily driver where part of the goal is to try and get the best fuel economy as possible: A stock 6.2 LS3 or a 5.3 with rear mount turbo. Both seem to get similar power at the end of the day, but which configuration would be the better choice for your day to day, grandpa driving commutes?

@backdoormailman

3 жыл бұрын

5.3 is gonna get better mpg if you stay out of boost.

@andyharman3022

3 жыл бұрын

@@backdoormailman Exactly what I was going to say!

Looking for a 6.0 in the junkyard? Go up north, those trucks rust out and you can find low mileage 6.0

Hey, what's the best junkyard donor car or van I an pull a 6.2 from?

Right on

What is the the limiting hp factor with the ls3 motor? How thick are the liners in the ls3 compared to the ls1 motors. And how much can you bore them or hone ect.

@rustysausage69

3 жыл бұрын

None of this will matter to you if you think 450-500hp is "a lot" of power, as you've probably seen from these videos the stock LS3 makes that power and is no slouch. The "REALIST" horsepower-limiting list goes Piston, then cylinder head, then displacement. If you OWN one of these and want to make more power, the "PRACTICAL" list is piston, then displacement, then cylinder head. For a real LS3 (10:1 compression, 821/823 head, car intake) the piston limits your camshaft size UNLESS you fly-cut the piston, because piston-valve clearance gets tight REAL quick. ~.620 lift and ~240@.050 duration is what you're limited to with stock piston. Flycut the pistons and you can put a 250-260@.050 cam in it. Heres where the practicality comes into hand, because if you have the bottom end apart to flycut stock pistons, it would really be prudent to put a forged rotating assembly in it that could handle 800-1000hp+ so you don't have to re-do the bottom end again down the road. Once you have a 250@.050 cam, the cylinder head prevents you from completely taking advantage of that camshaft size, so a CNC head would really make the engine come alive. Once you've flycut the pistons, ported the heads, put a NASTY cam in it and you're making ~650hp (at the crank), those exact same parts above would make somewhere around 700hp on a 408 or 416 stroker. Unfortunately ALL LS blocks 5.7L and up are throwaway blocks, they don't have room for ANY sort of overbore (.005" MAX recommended by many builders), so you could re-sleeve the block to 427 cubes and it would no doubt make something around 750hp (assuming 11-12:1 compression).

I found a 6.2 sitting outside a shop that they took out said it was bad and i got it for 40.00! Took it apart and only found a broke valve spring i got lucky! Everything else looked like new. Dont sleep on motors shops say are bad cause some of them dont have a clue what they are doing!

@batasspp

3 жыл бұрын

Most would rather not take the risk of liability and litigation. It's really not their fault. Build a 1000 bridges........especially these days.

@zx6rkawi09

3 жыл бұрын

@@batasspp yeah but they put a 6.2 gm replacement engine in and that cost alot! For a broke valve spring, valve was not bent and did not contact piston! Thats bad business! If they had done comp test and seen no comp i would have took off valve cover and checked to see if a spring had broke right after! Alot so called shops that just throw parts at a problem and that is crazy!

@rhiannonbittle1454

3 жыл бұрын

Crazy they didn't check the compression. It must have just been skipping. I wonder if they told the owner that the engine was bad just to be able to charge them for switching the engine. Either way you did a great job getting that engine. I'm 100% without a doubt, super jealous.

Curious, the LY6 has 9.6 compression vs the LS3 @ 10.7 With a 4% power gain from 1 point of compression, shouldnt that equal around 20 hp making both engines extremely close ?

@indyrock8148

3 жыл бұрын

Yep. My thoughts as well.

@jaydubb71

3 жыл бұрын

#AGREED #FACTS. Hence the reason I have an LY6 for my G8. Everyone wants an LS3. I don't have LS3 money...

@marcusware712

3 жыл бұрын

Can I ask which of these 2 engines would you choose to run a lsa on. I was told the 6.0 will make more boost than the 6.2 because of smaller cylinders. Is this true?

@batasspp

3 жыл бұрын

@@marcusware712 More boost? Yes. Boost is just pressure which is a measure of restriction. More air means more restriction. But smaller holes mean more restriction. High boost numbers dont always mean high power. The bigger engine will see less boost but make more power.

@jaydubb71

3 жыл бұрын

@@marcusware712 Both will work. The LS3 will make more HP than the LY6 due to compression ratio difference. But LS6 costs more. Want a good bang for the buck engine? Find an LQ9 and put some LS3 heads on it. Iron block, 10:1 compression, rec port heads, "Gen 4" rods (all LQ9's have the good rods) and way cheaper than the LS3.

interesting, its almost as if you can get a ball park idea of what displacement change will be by doing this: 6.2/6.0= 1.03333. Its all about how well you can fill the volume of the cylinder in the first place. Waiting for comments filled with contradictions about head flow and cam size, as if we don't all know that is part of the equation.

@andyharman3022

3 жыл бұрын

Yeah, I came pretty close in predicting how much more power the LS3 would make by ratioing the 3% increase in displacement, and adding a fudge factor of 1% for the higher compression ratio. 475 hp to 495 hp is right around 4%. The LS3 head has so much flow capacity, it's not challenged to feed these stock displacement engines at 6000 rpm. It would be more of an issue if they were running 7700 rpm.

@jessemurray1757

3 жыл бұрын

@@andyharman3022 a guy berated me last for making this statement.

I’d love to see this test done at same compression to see the “true” difference.. cuz I have both of these motors sittin in my shop..

@arachniawebz6176

3 жыл бұрын

You are SO lucky 👍👍... I had to choose and opted to build an iron 402 for my 1998 TA... Too far in to turn back now 😕 I hope I'm not disappointed with it once we dyno this summer.

Best engine for the money for 1986 k30 non dulley?

....sorry I'm late 'Teach , what'd I miss?

Totaled my 06 TBSS in 2014 in 29 Palms. I was young. Dumb. Didnt buy it back after insursnce. So yeah theres my Ls2 motor with Kooks Long tube headers 1-7/8th with Y, Corsa Sport Cat Back. Had about 100-120k top miles. Junkyard somewhere in San Bernadino 😭 Wish I bought it back!! So dumb.

The heads are so good, the 6.2 can better utilize the flow giving it a better boost.

@shadowopsairman1583

3 жыл бұрын

The 706/862 heads can be ported and valved without increasing chamber size. Only Trickflow heads that i know of have a smaller chamber.

Few Q’s. How much lighter is the aluminum 6.2? Also, what power level/boost would be safe to run on it? My buddy just bought a BluePrint Engines LS3 from Summit.

@richardholdener1727

3 жыл бұрын

WE GO 1000 HP ON ALUM LS3

@STREETFIGHTER50

3 жыл бұрын

@@richardholdener1727 Wow 1000 HP is a lot! Don’t think he’s gonna want that much 😄 What about one of them Cadillac superchargers on top of the BluePrint LS3? How much amount of boost do they make and approximately what HP do you think it would be at?

Could you test a Chevy 366 big block? I have one but can’t find specs anywhere for it. If you could run one that would be great!

@interceptor0166

3 жыл бұрын

The 366 is an eight-cylinder, 6-liter engine. It has 300 horsepower at 4,400 rpm. It has a bore and stroke of 4.00 and 3.62 inches respectively

@interceptor0166

3 жыл бұрын

The GMC 366 engine produces 366 horsepower at 5,500 rpm and 380 ft-lbs of torque at 4,300 rpm.

Richard, could you compare the ly6 with vvt VS ls3 witout vvt? with stock camshaft, which would be the difference in hp? I thinks that could have very similar hp all over the curve. Thanks Regards from Argentina

@rustysausage69

3 жыл бұрын

At peak there would be no difference assuming Rich ran it similar to how the factory ran it. The factory ONLY advances the cam from VCT BELOW 3500RPM.

@richardholdener1727

3 жыл бұрын

WE CAN'T RUN VVT-BUT ITS STILL A MILD CAM AND WILL MAKE LESS PEAK THAN THE LS3 CAM

You’d be lucky to have a junkyard LS3 for 6k. Very lucky. 6.0s while getting rare are much cheaper and they often come paired with a 4L80. The lighter block only comes into play if you’re serious about handling. No brainer to me.

@andyharman3022

3 жыл бұрын

I bought an LS3 from a Corvette dismantler in Detroit about 4 years ago. Was going to put a Hot Cam in it, and put it in my Camaro. Paid $5600 for it and trucked it home, feeling pretty good about the deal. I started taking it apart to do the cam swap, and when I got the intake manifold off, I looked down the intake ports and saw large protrusions in them. WTF? LS3 heads don't have big bumps in the intake ports. I looked carefully at the laser etched part numbers, and determined that they were LSA heads. Not bad parts for a supercharged engine, but horrible for N/A. Apparently the dismantler thought he could sell a mongrel engine like that, and the buyer would just plug it into his car without checking things. I took the engine back, and got a full refund. Be careful out there! Buyer beware!

@HioSSilver1999

3 жыл бұрын

You can buy new crate ls3s for 5200 now.

@HerrPoopschitz

3 жыл бұрын

@@andyharman3022 what bumps are you talking about? Ls3 has the spring pad and rocker stand stud protrusions...? Im fairly certain they’re practically identical, w/ the lsa heads being cast in a more durable material (cant remember specifics off top of my head) for supercharging...

@andyharman3022

3 жыл бұрын

@@HerrPoopschitz There is a large bump down the intake port attached to the valve guide boss that is meant to increase swirl in the supercharged engines. Here is a link to a picture: www.bing.com/images/search?view=detailV2&ccid=HsTCQoLE&id=6D808E435F60348D4C3B36D1BCE9E6CAEBD99252&thid=OIP.HsTCQoLE_lxC2lMa_C1HUwHaFj&mediaurl=https%3a%2f%2fth.bing.com%2fth%2fid%2fR1ec4c24282c4fe5c42da531afc2d4753%3frik%3dUpLZ68rm6bzRNg%26riu%3dhttp%253a%252f%252fi291.photobucket.com%252falbums%252fll297%252fboosteddakota%252fLSA2.jpg%26ehk%3dIKXpETszv4MtB6qyGVDm9BeywEbo85TAd1H8uF1QkQc%253d%26risl%3d%26pid%3dImgRaw&exph=480&expw=640&q=lsa+head+intake+ports&simid=608005573467702017&ck=9D1D551CB2CC4E735E355F3BCD1310E2&selectedIndex=72&FORM=IRPRST&ajaxhist=0

What turbo was used on the LS3 for that data? Healthy gain at 6psi! Thanks Richard!

@jeffwooton7138

3 жыл бұрын

He showed it, just real quick. Look again, think it was a 75/76

@richardholdener1727

3 жыл бұрын

PTE 7675 CEA

Can't you test the btr torque cam on a 6.0 or even a 402 stroker? I have the stage 1, 206-212 and I don't like it. It's too doggy for towing. And maybe throw some 706 heads on and see how much there is to be had down low at 2000.

@richardholdener1727

3 жыл бұрын

A 402 WITH A 202/206 CAM IS SOGGY DOWN LOW-THAT IS LIKELY A TUNE PROBLEM

@Dan-rg7jj

3 жыл бұрын

@@richardholdener1727Thanks. I know seems like tunner went really soft for me. It's not terrible. Wouldn't the earlier duration make it better 1000-2000? Compared to a stock cam non stroker I hardly notice the diff untill 2k. I am thinking about swapping it but worried 11:1 comp is too high for this little sucker. Runs fine as is no sign of ping.

Your videos are awesome hope you see my comment!!

Anybody know the weight difference between the 2

Hey Richard I have a 6.2 l92 with a e1840p and pac 1218 springs.Long tube headers from cxracing. Any advice on that set up and any idea how much whp to expect

@richardholdener1727

10 ай бұрын

DID YOU TUNE IT?

At what boost level and power level does a rigidity of the iron block benefit you more than the extra cubic inches of the 6.2

@rustysausage69

3 жыл бұрын

Theres no good way of answering that question, because both engines will blow the head gaskets before block stability comes into play. 28-35PSI and 1200-1500hp. But nobody in the right mind should run 1500hp IN A CAR from a stock-sleeve engine regardless of iron or aluminum.

@jacobhoke581

3 жыл бұрын

@@rustysausage69 I figured you would run head studs under boost. Especially when you get up to 30 and 40 psi I’m not really talking stock for stock more of when that iron block out performs an aluminum block. There are plenty of 1000 hp 4g63 stock iron blocks out there and it’s only a 2.0 4 banger

@richardholdener1727

3 жыл бұрын

WE HAVE NOT FOUND THE HEAD GASKLET COMMENT TO BE TRUE-THE ROD OR PISTON ON A SBE WILL BREAK FIRST-THE CAPS WILL WALK ON THE ALUM BLOCK

@Saddedude

3 жыл бұрын

Alumnium blocks tend too have the threads pulled from the head studs under high power.

Great video! I was in it for the cu in comparisons. I am currently building an LS2 with LS7 rods and crank, forged pistons, LSA heads and LS3 intake with twin 61/65s, which I have dubbed a LSV for multiple reasons. My cam selection has been my biggest anxiety. lol At 402 ci and the Comp cam, I am guessing around 897/845 on my combo around 7 lbs of boost. A little much for what I was wanting, but we can always detune a little. lol

Do you know why the stock L92 needed valve relief in the flat top pistons while with a small cam? Did it have to do with VVT?

@richardholdener1727

2 жыл бұрын

yes-for the clearance for vvt

@23steph13

2 жыл бұрын

@@richardholdener1727 thank you!

So ly6 makes more power under high boost and if you go n/a go for ls3 got it...

@shadowopsairman1583

3 жыл бұрын

Go for Any LS and you will have fun. Most cant handle stock hp anyway. I just want my stock 4.8 to not be a 1 tire fryer lol

i still want to build a lq9 with cam heads and intake n/a and hoping for 500hp to the wheels

@richardholdener1727

2 ай бұрын

good luck

Rich I just now priced complete engine at local yard I found a 6oh in a van that I took the power steering pump from I stole the decal with the engine info Aside of me removing the intake tube and shroud for room it was untouched The stuff on the dipstick was as hard as a rock A complete engine at this yard is less than 300 bux with a small core charge I already have 3 Are you interested im In the northeast Might buy it for a core

@richardholdener1727

3 жыл бұрын

I WOULD DEFINITELY LIKE A FEW 6.0S

Sorry on the ls3?

I have a question for everyone in the comments. What engine would you choose between the 2 if you were running a 2650 lsa supercharger and why?

@richardholdener1727

3 жыл бұрын

the question is still just cost

@marcusware712

3 жыл бұрын

@@richardholdener1727 I plan on purchasing a l96 and after watching this video and I know I'm installing a ls3 cam thanks to you. My question, will I need to change the stock pushrods and springs to run the Ls3 cam in a stock l96? I'm trying not to get hosed from a labor standpoint.

And most people have to settle for 5.3 but still able to pull off 1000 hp

What A/R on the PTE?

Do you have a LS video on how much hp you gain with adding more compression

@richardholdener1727

Жыл бұрын

3-4% increase in power for each 1 extra point

Love you videos!! Do you allready have a video a link for me u could tag me in thr comments about this exact video but super charger and pro charger/ Super charger if that's only available for you!? I own a 84 MC ss and I can't get enough information being is it worth the extra several thousand for the 6.2 compared to 6.0 being its boosted and tuned Anyhow?!

@richardholdener1727

2 жыл бұрын

get the 6.0L

Was the same timing run on both engines or was there a slight modification

@richardholdener1727

2 жыл бұрын

timing was set so each made max power