I can second that on that Dart 340, I witnessed one blow everything away! I also witnessed a 383 6 pack in a 69 Road Runner beat a 68 442! Dude pull the air grabber switch on that 383 halfway in the race. That bitch squatted and blew right pass that 68 442

I had a 1970 Dart Swinger with the 340, I had the X heads ported, some decent Stainless Valves and such. It was 30 over with Forged Pistons with a slight dome that was giving me right at 11 to 1 compression. I had a custom ground Isky cam with 242 intake duration 262 exhaust duration and 535 lift for both. It was a solid lifter Cam. The Rockers were Harland Sharp adjustable Roller Rockers and I ran a set of Hooker Headers similar to the ones on the 340 in this video. Victor Jr Intake and a seriously worked over 650 Double Pumper I bought off my Boss at the little Hot Rod Shop I worked at. I also had a 150 h.p Shot of Nitrous. 727 Auto with a 3200 Stall and 4.11 gears. That little Dart was a quick little car for no more than I had done to it. This was back in 1998 and for a "Street" Car running high 6.80's in the 1/8th and all I could fit under the ass end of it was a 255 60 15 it was a Drag Radial but stock leaf spring suspension with a decent set of slapper bars. I was never able to leave on the hit with a full 150 shot, I had to bring it in slowly but it was still fun and a cool car for a 20 year old Guy. All I was concerned back then was kicking the snot outta every 5.0 Mustang and 350 Camaro I ran up with on the street, and hell I was only 20 when I first started messing with that little Dart. I have had Chevys, Ford's, a Turbo 300 ZX, that Dart and a Short Bed standard Cab Hemi Ram but that little Dart was the most fun outta all them.

I had a 71 rt 440 and got destroyed by a 71 340 charger

Was the Dart plumb crazy purple ? I used to trailer down from Flint and joust with my 340

BY DESIGN THE SMALL BLOCK CHRYSLER ENGINE WAS BETTER. THE CAM IS HIGHER UP IN THE BLOCK A RACE ASPECT OF RACE ENGINES TODAY. WHICH REQUIRES SHORTER PUSHRODS WHICH MADE THE VALVE TRAIN LIGHTER AND ALLOW IT TO REV UP HIGHER WITH THE LESS VALVE FLOAT ALONG WITH THE STABLE RAIL TYPE ROCKER ARMS. THE HEADS HAVE BETTER VALVE ANGLES AT 18°. I CALL IT THE ASS-KICKING SMALL BLOCK AND I'M NOT A CHRYSLER MAN.

Ernie Elliot set the NASCAR speed record with his Cleveland build. Hasn't been beat yet.

@@josephtravers777 Ernie Elliott? His name is William Clyde Elliott Sr, PUTZ. Nickname is Bill.

@@sergeantmasson3669 Bill didn't build the engines

@@sergeantmasson3669OMG you got pwn’d. Awesome Bill from Dawsonville wouldn’t have been the man without his Bro Ernie building that baddest engines for the little Elliot giant killer organization. That T bird crushed Talladega faster than the Hemi Superbirds.

​@@twothbeave Torino Talladegas beat them too.

The engine really screams with a lil tuning and 360 heads on it. It may breathe better like the 351 c does. My son is 24 and talks liters, I talk cubic inches and cfm, now he may well hotrod electrics.

That's very true. They were surprisingly quick cars, and seemed to get out quicker than the other car.

Mopar tin can its the cheap weight of the car made it fast and they aren't around much cheap disposable 💩 yep

@@bones6173 Mostly due to unit body construction. You seem salty you get your azz drug by a Slopar or what?

@@bones6173 Before I didn't but now I know.

@@bones6173 yea, them Novas and falcons sure lasted through those salty winters. I'm sure one or two of them made it till 1980. 🙄

There is a Hotrod magazine, road test of the 340 Cuda. The title was, "Beware the Quite Fish". They went on about how well the car ran, and how much nicer it would be to live with than the Hemi. We dream of 427 Cobras, but the only guy I know with a real one, says it's "awful". He said it's fun for about 2 miles, then your feet get hot, and no radio, heater, or roof gets old. He said if you're over 5'-10" you're too tall for it. I believe what you said. A 340 Challenger, would be sweet as hell, and I'm a Chevy guy.

340 was always the one Chrysler engine I was interested in

Could run with the BB's

I had a 70 340 cuda 20 years ago. Definitely faster than it should have been. Miss that car, I’m such a dumbass for selling it.

@@jwhmerica504 I bet they surprised alot of cars back in the day

In the right car, the 340 was scary fast back then.

@@davidgraham2673 I had a buddy with a 340 Challenger/RT with automatic and "factory shift kit" which shifted really hard. In the custom of the time the rear was jacked up with air shocks, but someone understood weight transfer enough to have raised the front up as well using the torsion bars. The thing rode like a school bus but when he hit the throttle you'd grab for the door armrest every time. It was well tuned and for those days well enough set up that it could embarrass a fair number of big block cars.

@@johnbarker5009 , I watch a KZfaq video series called "Cars and Zebras". They show old muscle cars drag racing in (mostly)stock setups. Very entertaining, and you'll see every muscle car engine from back in the day. Almost every time you see a 340 race on there, it blows away the opponent. I'm always surprised if the 340 loses, and its always by just a hair. Check out those videos, I think you'll be very glad you did.

Back in the day the thing to do was take a 440 carb and smack it on your 340. It would wake it up a lot.

@@jwhmerica504 That's essentially what Chrysler did in 71 - switched to the Thermoquad.

OK oo.

Hello Stephen. Yes, perhaps the four barrel would perform better but you would lose the cool factor and looks of that six pack set up sir.

They used to make more hp per cubic inch modified that any other Ford motor. The block won't hang in there with the power levels now. Windsor is a better motor, the crank gets oil priority, Clevelands don't. Windsors deck is .300" higher to. It got stuck with that boat anchor crankshaft with 3" mains. Cleveland had 2.79". Always though somebody would make a thick set of bearings to drop 2.79 bearing!! Windsor rods are 5.969" long giving it a much better rod stroke ratio. Know some guys that used to build junkyard 408 Windsors. 400m crank, Cleveland rods, boss 302 pistons and Cleveland heads! Worked pretty well, till they puked!! Nitrous will get a cheap motor?

I got a 1977 Ranchero with a 351Windsor I'm thinking of building it or would you put something different in it or just build the Windsor

@@warrengreen3217 if it’s original to the car I would build it… if not build whatever you like! I’m a purist though

@@nickbonvino yeah its a all orginal number matching except for transmission

I used to have a 1970-1/2 Falcon (Fairlane body) with 351C 4-barrel. There were only 3 gas stations' premium it didn't ping on but it had a hell of a top end. It would bury the factory-certified 140 speedometer in seemingly no time. 9-inch rear; Borg-Warner FMX, -- the front tires were original & said "Police Special" on the inner sidewalls.

Your mustang, what rear end ?

I had a '71 dodge demon in the early 90's. I smoked many 5.0 mustang with that car. Thoses were new at that time. They were used to race honda civic. Dodge demon, not so mutch as it wasn't very common where I lived at the times. Theirs faces were priceless. It was a 340 6' with a 4 speed manual.

I had a 70 dart swinger with a 340 4 bbl, 4 speed and 355 geared 8 3/4 diff. Posi trac. That car was almost undefeated. I put away a boss 429 mustang in a 1/4 mile drag race. Frequently bullied Gto's , 440 B body mopars. Chevelles. It would squall the tire going into 4 the gear at 105 mph.!!! Wish I still had it!

I WOULD HAVE STUCK WITH THE 2 V HEADS ON THE STREET STILL BIGGER THAN EVERY ONE ELSE HEADS

Unfortunately Chrysler decided to discontinue the 340 after the 1973 model year due to its manufacturing cost.

Neighbor had 340 six pack heads 750 cfm with different cam , that thing would scream , went she went ,she in fashion, breaking the cam in 4 pieces

Ports were made on purpose for a 600 lift cam. That 600 number was what Ford learned from the 427. Then passed it on to the Cleveland.

71 models (no AARs) were smogged up. Fords and Chevvies didn't like me.

Not too big just needed way more cam!

Comparing a m`bike to a car ? ah ha ha ha ha.

@@rodneyjones4890 Bikes werent very fast back then. Why not compare?

@@gordocarbo Is a bike a car ?

140 with 3.55s not stock!

JR headers, .474 purple shaft cam. Stock iron intake, Thermoquad. That's it! - Dan@@gordocarbo

Oh yeah, a Zoom clutch with a 3200 lb pressure also. plate

Had H70 Goodyear rallys on rear. Needed around 6300 rpm to touch 140 with the 3:55s. With the 4:88s needed 6700 rpm to get 106 mph through the traps.

I’m building an amc 360

@@mikebrown4429 Be careful of the cast iron rods...they are weak...oh and the keyway on the AMC 20 diff.

@@mikebrown4429 Tell us what you’re doing to/with the 360 please. Completely stock?

@@kramrollin69 that AMC rear is a pain

He sensed it already and sent him a text

Is that the clown who got it completely wrong when those hacks from Hot Rod magazine smashed the headers flat with an axe?.....and it made more power LOL....derp...

@@markholroyde9412 YEAP

@@rickgehring7507 Ha ha, thought it was, his "fluffer" above needs to be told LOL

I had a 71 440 charger in high school. A buddy borrowed a 340 71 charger that destroyed my 440. It was seriously fast.

Me too plus the aar and t/a. Are the best looking cars out of the bunch. I luv the 71s too

71 was the year the performance started declining, 72 it was history. Emissions killed the fast cars...

@@garystolworthy3365 yah, the hemi had its compression reduced in 71(:

Franc that's exactly how I remember them

The 340 and the 327 in my book was the one watch out for built right......that rare stuff is only on barret jackson.

The 1971 340 had the most horsepower from factory.

Your right Steve! I special ordered a new 72 Demon 340 while in Vietnam. Bone stock I was able to turn 14.4 at 100 mph and I had no problem outrunning MOPAR 283's along with beating GTO'S and other larger cars. The trick with the Chrysler A bodies was their light weight. My Demon only weighed 3250 pounds.

Small block cars were cute red light to red light in an A body , but sadly the biggie blocks ate thier lunch shortly after the shorter blocks we ran on ,we had a guy that ran with us with a 66 Ramabler with a factory 327 4 speed, with 4.88 s that really cleaned house on the big 3 s best effort’s

The truth of the matter is this, the insurance companies dictated how much power the engines could produce, so the actual horsepower numbers were almost always way underrated. They said a 340 magnum had 275 hp. When in reality it was close to one hp per cubic inch. The 383 magnum was rated at 335, again it was way underrated. 340 6 pak 290. And those cars were very hard to compete with in their day. My brother had a 69 Gtx, 440/6pak, 4 speed, Dana 60 w/ 391 gears. It was only beat one time in a drag race by a 70 Chevelle w/ 454/4 speed. And it was like a half a fender at the end of the strip. All the mopars we're the top performance cars.

Had a 383 road runner/4 speed that was fast, tangled with a 340 dart swinger that destroyed the 383!

Mopar or No Car😈🤘

@@jerrykeck1494 No that's wrong it's Mopar Don't Go Far !!!

@@badass6.0powerstroke10 I ain't even a Ford guy and I know the 7.3 is the bad ass. Butt no one no how ever tops 426 HEMI !!!! 😈🤘BANNED BY NASCAR in 69-70

@@jerrykeck1494 I'll take a 427 SOHC over a Chrysler Hemi.

@@jerrykeck1494 427 SOHC Banned by Mopar !

Yes sir

And still doing it

Very good running engine .

Check the Touring Car Masters .

Didn't catch on ??? I guess Bob Glidden "didn't catch on" when he Dominated the Pro Stock class throughout the 70,s running Ford Cleveland Power !!!

Finally someone said it.

Stock, yes. The major problem with the 351C was the block. The 351W 2-bolt block was stronger than the 4-bolt C block. Sure, one can get 800+ horsepower out of a 351C 4V w/ stock heads, but the blocks would split under that hp.

@@carmenalexander7404 A stock Windsor block with a main girdle won't handle much more if any. Buy a Dart or Motorsport block and call it done. The price of the aftermarket blocks aren't much more than getting a good used stock block, putting all the money into the maching tricks and bolstering into it. You can get over 450" out of a aftermarket block too.

@@joeydover I own a 351C w/ 4-bolt mains. I have seen a lot of 351W w/c heads trying to run in stock classes. when they were caught, they were disqualified.

@@carmenalexander7404seems like Bob Glidden and Jack Rousch did pretty good with them. Cmon dude!

YES PLEASE

Good suggestion Jim. These were unheralded yet dependable and decent motors. I personally would love to see a stock specification Olds W-31 motor with headers be tested.

And a 327 installed in a 70 Datsun 240z never gets beat

Uncle tony doesn’t know as much as most people think!

Uncle trashy isn't anywhere near as smart as you people think.

Never said Uncle Tony was smart; I said he will know any MOPAR cam specs (related to the 340 or any other applicable V8, of course).

John Johnson Or he might not!

The one person who I think would know more would be Steve Dulcich.

Especially the 383.

TA heads flowed the same off the line as all the other 915 2.02 heads. The only way the TA heads flowed more was if YOU ported the intake runners. You can make TA style heads with a drill and some fuel rated epoxy.

@@68pishta68 My Dad race SB mopars for years. He had several sets of the "X" head and had had one set of the T/A heads and the T/A head outperformed the X head like night and day. He was always looking for another set of the T/A heads because they were so much better.

I don't even think they made 10.5.1 more like 9.5.1 with the sloppy tolerances back then.

Mostly correct 68 -71 was 10.5 positive deck 2 valve relief pistons short stroke in the 340 makes it tough to get compression without small cc heads the 72-73 340 was about 8.5 with 4 relief pistons a ways down the hole and small valve 1.88 heads there's no comparison between the two stock or modded the early 340 is a beast in an a body with a cam intake carb and headers the boss mustang will be put out to pasture lol its a low 13 high 12 second car set up the late 340 is a dog that gets its ass handed to it by a 74 75HP 360 with all the same parts and less compression alot more torque 10 more hp

Yeah all the small block mopar heads perform about the same when prepped the same. I wish they had of kept the poly heads and increased the port size for more than 318 inches but they needed a smaller head package for the new 64 a body. The poly (canted valve) strokers are putting up huge numbers for a big engine with a 318 head lol 351 Cleveland and the 429/460 ford are also one of my favorite engines. But our wedge heads do pretty good too for an economy engine the hemi and max wedge got all the factory attention until rules mandated small blocks and the w2 small block beast was born lol

I knew some of the guys that tested engines at the proving grounds for Chrysler. Chrysler often under rated horse power. Part of the reason is the insurance companies.

@@danw6014 Yes a 340 4v dart would eat a 350 Nova alive and th5 Nova was 300 HP the dart was 275! Chevy likes Big power numbers to try to impress there Buyers. NHRA were always quick to re-factor the competition so Chevy Could win!

The Baddest Small Block to come out of Detroit !

It's a turd

@Skip R so you admit I'm right?

Ya know I never had the honor of experiencing a Boss 351 or even a 4V back in the day.....Ford made some awesome stuff but they were stingy with it, even Ford 4 speeds were hard to find in my area....But I did have quite a bit of experience with with the 2V Clevelands and I was not impressed. I worked at a used car lot while I was in college in the early 80's and I can remember us getting a very pretty '73 or so Grand Torino with a 2V Cleveland and at the same time had a Mercury Montego which was a "hood rat" with a 2V 351 Windsor of roughly the same vintage.....The Montego would maul the Torino....Even though it was a bigger car built on the full size frame I believe....The Cleveland had no guts down low and by the time it did start to pull the Montego was only a memory....The bad-ass Clevelands may have been macho studs, but in my experience the run of the mill 2v's were frustrating dogs.

@@russellanderson746 funny thing is, the 2V versions were considered better street brawlers, when set up right. The Cleveland is short stroke high revving, with 4V or Boss heads wants to rev and continues to build power as it does. An absolutely legendary 1/4 mile engine, so dominant that the other manufacturers needed to get the rules changed to compete. On the street, low end grunt was not the Cleveland’s (4V) strong suit, and the 2V versions were thought to be better on the low end...for that stoplight to stoplight action (with headers, intake, etc.). But make no mistake, the Cleveland overall stands out as one of the best small blocks ever, and even non Ford fans who actually know engines will admit this.

I’m a big ford guy but I have major respect for the 340 6 pack 👍

That’s ok, there is no harm in being second …

340s are real badass but the Cleveland is king. My buddies ta 340 6pack was slo. Must have been something wrong with it. It was pretty(plum crazy) with side pipes but he didn’t spin it up to 7000. Maybe that was the problem. It was a new car and he would not let me drive it but my junk home built hydraulic Cleveland was a shocker and 7500 is where I shifted the top loader. Had to pull the pan a couple time a year to change out 3/7 rod bearings even with oil restrictors I was only 16 and didn’t know much about oiling Cleveland systems or could have made them more resilient. I changed to 428CJs for years then went to a good Motorsports block Cleveland and kicked some CJ ass along with all comers. I’m 70 now but there’s not much you can tell me about a Cleveland that I haven’t already done. Mr Glidden was no fool, but an insanely hard worker. I learned a lot from the man but only met him three times. The man was a genius with no rival. No one else knew the secret to head design and that is the main power making component. The high flowing fast burn head of today, Bob made his own in his home built furnace. He is responsible for the good heads you can buy today. You had to make you own back then. Anyone that wasn’t up to being that driven was a loser in those days. The days the man made the difference not who had the most money.

I looked in the parts books, this is a true statement!!!!

@@johnficik4796 like, big time!!

I owned a 1971 boss 351 and they come with domed Pistons and were rated at 11.7 /1 if you calculate the head volume and the fact that the boss piston has a lower pin height than a 351 M Code. You will find the true compression is closer to 10 .7 than what ford listed . The compression listed for most of the 1960's cars was optimistic at best1

The Windsor block has to be one of the most impressive block designs of all time and im a Mopar man through and through. The hoonicorn is all the proof anyone should ever need that the Windsor blocks are special as fuck.

The tooling was sent to Australia and we ran with it. The Ford XY Falcon of 1971 was for decades the fastest 4-door sedan in the world. They also made a destroked Cleveland of 302 ci. Aussies love their Clevelands.

@@hendo337 Rod stoke ratios. The Cleveland heads on a Windsor block with the 2.79" main bearing would've been the ticket. The taller deck would've made for much better rod/ stroke ratios! Nascar screwed us!!

@@davidrayner9832 no, the Xy got the cleveland xw got the Windsor as I remember

@@makattak3550 That's what I said.

70 Dart Sport? Not likely

That’s awesome. Had an fugly 340 4spd dart that would embarrass some very nice newer IROCs and mustangs. Primer black. One green fender and red door on passenger side. All $ spend under hood, chassis and breaks. My wife hated that car and I miss it.

@@peterwright4647 Sorry about the breaks, must have been some weakness....But at least you could fix the Brakes, so it stops properly.....😛

👉 Here's a recent Dyno test of an original, numbers-matching 340 6-pack from "Nick's Garage" channel. He owns a Canadian high performance auto shop with an in-house dyno room. He's an old-school Mopar aficionado, so he knows his stuff. The original 340 6-pack in his video only did about 326hp. That's more than originally advertised, but it's way lower than in ^this video. Here's that test: kzfaq.info/get/bejne/atiJeb2Yub2tiKM.html Ironically, Nick's Garage did a 351C dyno video a year or 2 ago, on the mid range power version of the Cleveland that was rated only about 300-ish horsepower. But it turned closer to 390hp!

Nick also put a 340 4barrel on the Dyno and it made a horsepower per cubic inch on the last pull with the customers carburetor that was originally from the engine, but take any engine be it Ford, Chevy, dodge pick one and Dyno 3 or 4 of the same engine and you get different numbers and the Cleveland is not really a small block like the Windsor

Yup, there some Dynos that are Heart Breakers. You can put the same Engine on 10 different Dynos and get 10 different H.P readings with some crazy ass swings. Dynos are a awesome tool for tuning and getting a baseline idea in H.P and Torque but a Drag Strip and Timing Lights are the tru test.

Idk ford stuff very well but I always heard that the Cleveland 351 was a big block and the Windsor 351 was a small block?

@@danielroberts698 351C is a small block, the block is made different and has bigger ported heads.

Not a stock 340 cam lol nicks garage had to have an after market cam and head work to make one HP per cubic inch

​@@darrellsomers5427. The 6 pack 340 went way above 1 hp per cubic inch.

Yes, true. And thank you for using the correct/accurate term (engine).

W1s.

Once let my 340/6 rev a little too much, and bent a pushrod into an S shape. Couldn't measure it, so checked the one next to it, and dropped a new one in. Didnt miss a beat.

thnx-that seems to be the consensus-auto cam in everything except the stock 1968

The T/A motors came with the 68 four speed cam.

I believe the Olds W30 was the C Stock Champion when it came out. The Boss 351 wasn't around yet, but all the other hot small blocks were.

@@melodigrand W31 was the 350. W30 was a 455. Ram Rod was 1968.

Kaase Dominate any competition he in, doesn't even have to build a Cleveland or BBF, Jon can build a GM Engine and win.

Probably the Best BBF guy out there.

@@badass6.0powerstroke10 I'm friends with one of his top builders. Chuck Lawrence. He does all the Boss 429 ( Boss 9) builds for Kasse.

@@thomasblankinship98 That's awesome, i would love to have a job like that, working alongside Jon. He is definitely the Best when it comes to making Big Fords fast. I'm actually gonna be replacing my Trick Flow Cylinder Heads with his SR-71 Heads, i can't wait till i get em.

@@badass6.0powerstroke10 they have some great parts and build some bad assed engines. Chucks got a race car with a 434 based Cleveland, big turbo making somewhere around 2000 HP. Only runs on NHRA tracks though.

Yes! The 421 super duty is boss!!

The 1963 Plymouth Savoy 413 max wedge would eat all of them. It was the first factory production car to break 12 sec in the quarter mile. It ran 11.97 sec factory.

Oye, oye, oye!

I'd personally rather have a Windsor. Toss a 400 crank in it and roll.

@@M4A3 400 crank? If you're referring to a 400 modified crank, you can't put that in a Windsor block. Different main journals diameters just to start with.

@@rickmosholder4593 I respect your experience, and love your channel, but you better go research that, because yes you can. The 351C has smaller main journals (2.75" vs 3.00" on the 351W, M, and the 400). Maybe that's why you thought it would not work? The 400 "Modified" is not a thing. When the 351W wasn't enough to supply demand of a motor of that size, they stuck a Windsor crank in the 400 block, and thats where the "Modified" moniker came from. I did the junkyard stroker several years back. Again, I'm not trying to be an ass, but this time, you are wrong. www.moderndriveline.com/the-confusion-of-the-351m-400-ford-engines/

@@rickmosholder4593 are you avoiding having to admit you are wrong?

The J heads were used on the 6 pack they had offset push rods and rocker arms, the flow was not any better than stock 340 head, they were made to be ported to improve flow. The 340 6 pack also had adjustable off set 1.60 rocker arms. Regular 340 had 1.50 straight non adjustable rocker arms

350 Rocket!

340 six pack have the same cam as all of the other 340s, the P341 2044 is a direct connection or Mopar performance cam, any part number preceded with a "P" is not a factory part

Maybe I'm wrong, but I believe the Cleveland lineup were big blocks. Just like Mopar has their 318 LA series which are small blocks, the previous 318 Max Wedge was a big block and Chevy 400 had a small block and big block, as well. But I do agree, Cleveland engines were contenders that weren't to be taken lightly.

Cleveland motor was small block on bellhousing but big block symetrical stagger on valves on heads thats why they flowed so good.Ford modified 351 400 was big block on bellhousing boltpattern.

Todd Cooper The original 318 head was almost the same as a Cleveland 2 barrel head.

351c is a 100% a small block

Small block is Chevy nomenclature.