Thank you. You have created what we as kids used to call The World Book Encyclopedia version of these engines. The ICU may be waning for some, but the history is not. Perhaps, your work and that of others has increased the appreciation for many. Certainly, it has for me. 👍

@Myvintageiron7512

8 ай бұрын

Great point!

"Cab Forward" was a 1990's Chrysler styling gimmick. The1950's Exner era cars were called "The Forward Look".

I love old cars, not everything has to be a hot rod, love the workhorse LA 318 with Carter BBD 2bbl, 👍

Thanks, that about covers the teen years with my Mopar friends. I was Chev and they were Mopar. We All had fun, fixed our own stuff and went fast often safely.

Thank you. Your knowledgeable videos on these different engines are fantastic.

Great Video! Thanks for the revision on the A poly engines!

@Myvintageiron7512

8 ай бұрын

Yea I made a pretty big mistake on that one to be honest I really never messed with them I did build a few 318 poly engines back in the 80's but they were just stock rebuilds nothing special although I do remember the rocker shafts are a giant pain to remove some times you can overlook mistakes and just let the video run but in this case it was just not possible and it had to be corrected what's so stupid about it is my buddy in HS had a barracuda with a 273 and I worked on that car with him often the old memory just isn't what it used to be I guess

I'm building a 400 B right now. Great engine. A lot of people back in the day thought the heads were the reason for low HP. My CR measured out to 7.6:1 with the factory pistons. Great video, thanks for posting.

@Myvintageiron7512

8 ай бұрын

Right on

@ldnwholesale8552

8 ай бұрын

Replacement pistons will probably work out in the sixes!! You need a replacement piston to get comp

@ClintsStreetMachines

8 ай бұрын

@@ldnwholesale8552 That's amazing. We'll end up somewhere around 9.5 static on this build.

@dinadaughtry8993

8 ай бұрын

the best choice for a stroker engine,452 or 513 the 513 has the lightest rotateing assembly big cubes that revs like a chain saw

@richardprice5978

8 ай бұрын

@@ldnwholesale8552 or add lots of boost 😉 TT/8-71 anyone lolz 😂

Awesome video thanks for taking time out of your busy schedule to educate us on this topic , i felt like i was in class .

Just when i thought I knew a lot at 57... Im happy to say, I'm here to learn soo much more!

OOps. The 4 barrel version of the 273 was called "Commando" for the Plymouth line and "Charger" for the Dodges. It produced 235 horsepower with 280 lb. ft. of torque. These engines had 10.5/1 compression, a slightly larger cam than the 2 barrel engines, dual point distributor, an open plenum intake with a Carter AFB carburetor and a chrome unsilenced air cleaner. It also had black wrinkle finished valve covers with aluminum heat sink style top trim. The high performance single exhaust had a scavenging design head pipe, a large diameter intermediate pipe, a Hemi style muffler and a tail pipe with a stainless tipped resonator. Those engines were produced for the A bodied cars only from 1965-1967 in both the Dodge and Plymouth lines. In 1966, Dodge (only) produced a 275 horse version of the 273 to compete in the D stock classes for NHRA. It had a 4160 Holley carb, heavier valve springs, a Camcraft 284°/.500 lift cam, Doug Headers, a Hurst shifted 833-4 speed with a Weber clutch and a 8 3/4 Sure Grip with 4.86 gears. It ran 14.30's @ 92 mph. That engine was never available in the Plymouth line. Thanks

@samuelgoodman2825

8 ай бұрын

I've recently gotten a 65 Dart GT 273 but the heads and intake had been changed long ago,I don't know any history on it.Its a true Charger I believe tho the exhaust is gone the head pipe is like you say.Also the car is engine badge delete tho it has all the other chrome.Fender and door confirm displacement.Would like to know more ,this is my first A body I always had B bodies in the day.

@LP23D6

8 ай бұрын

@@samuelgoodman2825 Do you have a fender tag on the car? What is the code under the (capital letters) A and B? IF it is a 30 it was a 2 barrel engine. If it is a 31 it was a 4 barrel Power Pac engine.

@samuelgoodman2825

8 ай бұрын

@LP23D6 2 bbl.Still very cool.Console shift auto.Was the cream color but it's a very old lacquer black now.Engine is .30 over and manual balvebody somewhere in its history.Has a lumpy cam but this was built probably 70s or 80s.

That was awesome all the way to the end thanks for sharing your knowledge

My parents traded in their 77 F150 Supercab for a new 86 Dodge Ram van conversion with the 318 (I think it was called the 5.2 by that time). I remember it was difficult on cold starts. It was sold before my Dad transferred to Washington, D.C. Mom and Dad later bought a new 89 Dodge Ram van conversion after Dad transferred back to his prior work location. By then, the 5.2 had changed to EFI, and started with a cinch. The van served them well.

Some useless information is that lean burn would modulate vacuum to increase timing based upon how long the pedal had been pressed. The idea being on the highway add timing to sip the fuel and increase efficiency. So cars that had been on the highway for a trip when getting off the highway were known to be noticeably peppier as all the added timing remained for a bit.

Great vid as usual , thanks for putting this together !!! The 392 weighs about 30 lbs more than a standard 413. A Max Wedge 413 will weigh more than a 392. A bare iron 392 head weighs 70 lbs , about the same as a big block Chevrolet . The true reasoning of the early hemi being discontinued is really lost to time. Don Garlets said that he was told that the 413 was 54 dollars cheaper to produce than a 392 . Frustrated NASCAR racers ( for Mopar ) at the time said that they would rather have a 331 from 1955 than the 426 Wedge engine they were using , ( the reason for the 426 Hemi development ). The stock big block heads fell off on the big end .

@richardprice5978

8 ай бұрын

for reference my 906 1969 heads ( 383 B g-code+ auto/727 ) were 30-50~lb sorry im forgetting i weighted the difference between my newer D8 casting's ( 50-85lb par is 160lb extra ( heads only not counting the block or intake's ect differences ) over my charger's nose, as i worried it might change my handing/daily driving experience, new-transmission is a tr6070 dropout ) aka 426-hemi both in iron plans if i don't like it is to use a composite ( or aluminium ) hood/clip replacement panels

Great job thank you for sharing

You just taught me what i already suspected; the 383 and especially the 400 could be made into one hell of a high winding, high horsepower engine. With the same heads and cam as a stock 440 why not? Back in the day it was said with a set of good valve springs these motors could turn 7000 rpm (especially the 383 because it had good compression) and as a kid my uncle had one in a Newport and i heard that 4 barrel absolutely scream!

The LA 318 began production for the 1967 model year not 69. The 318 Poly was used up until the 1966 models.

Your videos are always full of useful information. I always look forward to seeing your new videos .

@Myvintageiron7512

8 ай бұрын

Glad you like them!

What a magnificent and great educative college is this,this makes go to school a party

Chrysler developed the A engine,, it went from 313 to 318 and the heads improved a bit as well. And yes they have the makings of a decent engine. But factory they were a truck and tank engine.

Thanks for your video. Cheers man 👍

@Myvintageiron7512

8 ай бұрын

Any time

@dinadaughtry8993

8 ай бұрын

​@@Myvintageiron7512could not find where to comment but I had a 1966 dart that had the 273 hi po with a 4 speed and a sure grip rear end, very strange exhaust manifold,cast iron square tube and the driver side wrapped around under the back of the engine and met with the passenger side and emptied into a 3inch pipe that whent all the way to the back, no power anything no heater but it was pretty quick for a small displacement engine, perfect bracket race car straight from the factory

The 273 "D Dart" engines were supplied for class racing in the NHRA. The H.P. 273 motor for street use was rated at 235 horsepower. The street H.P. 273 engines are rare. The D-Dart 275 H.P. engines are museum pieces. One of my neighbors had a 1966 Barracuda with an H.P. 273/235 engine. It was a nice running engine with a good sound. Performance was "spirited" but not astonishing. You also mention later engines that were rated using "NET" horsepower instead of BHP. Most 360 LA engines were NET rated. Smog equipment hampered all engines at the end of the muscle car era, but the required NET ratings made the situation sound even worse than it was. You should note this.

I have to say the 340 was a really good motor still have my 69 Challenger got it in high school 240 4 speed car with 45 rear gear and headers it ran oretty good at the drag strip did a 13.70 built the motor 12.5 compression big hydraulic cam bid Edelbrock intake and a 750 Holley double pumper car ran at 12.70 at 106 mph that was a pretty fast street driven car in 1983/1984 when I was in high school.

Nice to see the video about my favorite engines, but unfortunately there are quite a few incorrect numbers and comments regarding the 413 and 426 Max Wedges. Several photos shown don't match information being given, as well as some non factory stuff on cars in some of the photos.

Awsome video, have a rv 440 and transmission combo to build for horse power work horse.

The intake and heads on 1964-1965 273 were different than the rest.The LA engine started in the 318 in 1967. Early 273 66 and back had solids no other, but 6 pack engine had adjustable rockers.

7 ай бұрын

My '65 Commando 273 had adjustable rockers. I put those T-Bar bolts on the valve covers, as I was seemingly adjusting them every other week.

@dynodon100

7 ай бұрын

My 66 Val. sig. had the same and I changed to a hyd. .450 285 dur. hyd. with 340 red valve springs it ran 14.6 with the 2 bll.@

With development the Poly engine could have been the top dog, It had a direct top to bottom flow direction just like the hemi., The reason Mopar switched to a inline valve engine was so the V 8 could be used in the Valiant chassis. Ford, GM and Mopar all their Compact cars with a narrow engine compartment. Both Ford and Mopar had to design a new engine to fit their compact Chassis.

I think that You need to check Your source on the H beam rods in the Police engine ! As far as I know Chrysler Corporation never built any production engines with H beam rods . Otherwise great content and informative, Thank You, Best Wishes 🇺🇸🇵🇷🦊👍

I had a few dodge or mopar .. powered cars ..i was a young guy with a heavy foot .. i finally moved ..i bought a 426 marine wedge and installed it in my charger . It ran ok but i like the high rpm hp and the ability to stay together.. i think the wedge motors were torque motors and needed better cylinder heads to really shine

Fuel mileage concerns in 1958, I don’t think it existed.

I have a 73 Dodge Charger that has a factory 400 big block. I put Dome pistons 30 Oversize. A pretty good size cam long tube headers full exhaust and take manifold With 355 gears And a torconverter of 24 to 26 Stall with edlebrook r p m heads Runs really good.

@Myvintageiron7512

8 ай бұрын

I bet it does

it's got a cop motor a 440 cubic plant.

I HAD A 383 WITH TQUAD.....NEVER HAD A PROBLEM....TOOK IT UP ON FREEWAY NIGHTLY TO. 140

How close is the Buick 455 bolt pattern to these heads?

AT CHRYSLER R &D SCHOOL...TAUGHT BY THE R &D CHIEF.....WE CALLED THE LEAN BURN...THE ACETAL INE TORCH.....IT WAS 15.2 TO ONE. AIR FUEL RATIO..

Wasn't aware H beam rods were in production Motors that would make the LA 360 police a desirable bottom end

So I don't know if I have the last LA or the first Magnum 360 in my 1989 b350 van. I do know it's leaking transmission fluid and the wipers are jacked up

I have a 1962 413 engine that is marked 413 H.P. Do you what that means? Thanks for the tutorial. Regards from Ody Slim

The Chrysler 360 you jump from 1989 to 2000. What about the 90/91 360?

Great job!

I had a 77 MH with 440 got 4 or 5 mpg

Did the last video get taken down I am confused

@Myvintageiron7512

8 ай бұрын

Yes I made a mistake in that first one I left out some key info that I needed to corrected

@chevyrc3623

8 ай бұрын

@@Myvintageiron7512 oh got it

Is my 383 built in October 1965. A B block or RB Block?

@kenb1376

6 ай бұрын

B with a 3 3/8 stroke.

Will you be doing the Oldsmobile engines?

@skylerkroll8878

8 ай бұрын

I would like to know as well.

@Myvintageiron7512

8 ай бұрын

yep doing every American V8 including all GM brands

What is the main difference between large and small blocks other than weight ? Is it the size of the main journels ? And / or the angle of the rods ?

@kenb1376

6 ай бұрын

B and RB engines have a “Y” block. Pan rails extend about 4” below the crank centerline. A engine blocks have the pan rails at the crank centerline like a Chevy engine. B blocks are heavier for that reason.

Im a mopar master so i already know everything mopar. Built many engines. Know how to make them run rings around the competition. Thanks to mentor Dick Landy! So im off to another video. Not finish watching this. Adios!

You keep saying that Plymouth cars didn't get a Hemi but then talked about a 426 Hemi Plymouth Cuda. Was the Cuda the only Plymouth with a Hemi?

@kenb1376

6 ай бұрын

No. Street hemi’s were in both Plymouth and Dodge in 1966, well before 70’s Cuda and Challenger.

That 350 B engine should be a revver, by rights - but it's not. Same with the 348 Chevy 'W' engine, they were stuck in heavy cars and trucks lumbering along behind 3 speed transmission most often

If only they would have made a canted valve head like a ford or Chevy they would have been miles ahead.

A big bore unshrouds the valves this is why a big bore engine makes more power.

I'd take a 440 Max Wedge over any other domestic big block V-8.

Dual, not “duel”

😂

Please don’t do ford history… nobody needs that. Lol JJ… but seriously, Chevy love

@Myvintageiron7512

8 ай бұрын

The ford history vid was published 2 weeks ago as were the Chevy vids

@waynetoneseekerandersen2213

8 ай бұрын

@@Myvintageiron7512 sooo, now you know how a guy brainwashed from his birthday in 1971 was taught to think about Ford. Keep up the great videos, I learn a lot from you!

Great video! 👍Please check out my 1968 Barracuda fastback powered by a rowdy 400 based 512 stroker backed by an A833 4 speed manual. I think you'll approve. 👌

Well that's absolutely ignorant to think that Chrysler ever use the term small block or big block to describe any of their engines I will guarantee you in fact I would bet next year's income you cannot come up with one single page of Chrysler written literature that uses those GM patented engine family terms! Chrysler also didn't make a Windsor, a Cleveland, Y block, a MEL block, AFE block, etc. Most likely because those are industry patented terms! Ford never made a hemi, RB block, LA premium block, wedge engine. Mostly because these are engine family patented industry terms! My God are people ignorant

Why comment? You delete what you don't like-like the actual history of the hemi.