HOW MUCH POWER?? - Dart 400 Small Block Chevy Engine Dyno

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It's time to put the newly assembled Dart 400 Small Block Chevy to work on this engine dyno! Will it be as powerful as we were expecting?
Pro Touring 67 Camaro Full Playlist - • Video
Other videos you might like:
65 Nova OFFICIAL Dyno - • 65 Nova OFFICIAL DYNO ...
Turbo LS Build - • Turbo LS3 Build - Part 1
Here at ZHP garage, we do it all. Tune in every week for a look into our custom builds, arrays of car shows we attend, general service/how to videos we make, and multitude of races we participate in. We have over 25 years of experience, and can work on anything from the daily commuter, to a custom fabricated roll cage, to a custom Chevy C10!
For behind the scenes action, more look into our builds, and things not shown in the fully released videos:
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#zhpgarage #enginedyno #dart400 #smallblockchevy

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20 мар 2022

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Комментарии : 184

@wreckanchor Год назад

I am convinced the 400 SBC is the most under rated engine ever. Brutally strong when built right.

@schoonymopar Месяц назад

once you take out the gm parts and build a good engine they are great but notice this build had zero gm parts.

@troelskiel1167 25 дней назад

@@schoonymopar Precisely.

@kelvinhayes4177 Год назад

My dad always said the small block chevy 400 would be the motor that Chevrolet should have continued building.

@Outlaw_Cleetus Год назад

Yeah but when it comes to the 400, you're better off with a aftermarket 400 small block because a bored out factory 400 only has some much room with the thin cylinder walls

@richardautry8152 Год назад

My brother had a 67 GTO with a 400. That was a nice car.

@KingJT80 Год назад

@@Outlaw_Cleetus well you can still make power with one if you fins one

@markwallace5274 24 дня назад

It still blows my mind they never offered a performance version of the 400 sbc but that’s okay the hot rod community took care of that for us lol Sbc 400 is my favorite of the small block world

@markwallace5274 24 дня назад

Steve is an absolute legend hard to believe he is now retired what a great guy I’d love to pick his brain especially on tuning carburetors!!!

@thebrushhawg 6 месяцев назад

Man. I had a great 400 back in the day. Similar to this build but with 1980’s equivalent parts. 400’s are a different from other small blocks. They look the same but pull like big blocks. Dude is gonna love it in that camaro.

@thelastime51 Год назад

Hey so I have a 1975 400 in my 82 Chevy C 10 pickup, it has two bolt mains, stock 76 mL heads, equal length headers into a 3 inch single exhaust, a mild cam, aluminum intake off a 68 Corvette, and a 650 CFM Rochester QuadraJet jetted from the factory for the 400 (rebuilt). I'm going to be happy with 300 hp out of that thing, so you guys really made me feel comfortable about what I'm doing. Super low budget, close to stovebolt stock, but it's a 400 baby.

@McNabbula 6 месяцев назад

I ran a big block 454 and if I didn’t hook up the 400 small blocks that I ran against would roast me. My car was a 71 Vette (heavy car) and of coarse my friends had 66 and 67 Novas. I drove them and despite my monster motor I kind of envied the way they built power. Definitely am going to build one of these.

@demarques1911 3 месяца назад

Can you explain the difference in what you mean when you say you love how the 400s build power? Because you have a 454 and it should run better. I'm about to out a 388 in my truck In a. Few months

@dynodon100 2 года назад

When you had Mr. Steve B. helping you , right away we knew that you were a winner ! I am building a 421 from a 400 now.Hope it will be close to this.

@nickbaur6952 Год назад

It’s gonna make more power if your using a good combo we’re hoping for over 600whp with are 421

@dynodon100 Год назад

@@nickbaur6952 A Dart block and Brodix 215 headswill help me

@nickbaur6952 Год назад

@@dynodon100 wym I mean we’re using a pair of speedmaster 190 that’s have been cnc to 235 intake runner 208 valves 242/248 XFI bullet racing cam 5.7 rods flat top pistons 8 1/4 push rods good lifters and 1.5 roller rockers is are 630whp setup

@nickbaur6952 Год назад

@@dynodon100 we’re using a stronger combo with way bigger bore and stroke with a shit ton of more dwell time and we’re gonna make over 100hp more than these guys with are combo so there you go

@dynodon100 Год назад

@@nickbaur6952 Keep in touch , this sounds like fun !

@rikiwakwak 2 года назад

Naturally aspirated, yessir. Listen to the older guys fellas, theyve been through all this already. Great small block. Love it

@keithfilkins2043 Год назад

I want that engine for my 71 Nova!!! Looks like a fun street engine!

@dw8555 Год назад

Great motor, great builders!! It's fun to see you two interacting!

@aaronmcilvain8077 2 года назад

That’s amazing power. Hats off to the ZHP garage. Well done

@ZHPGarage 2 года назад

Thanks Aaron!

@douglaslambert579 2 года назад

My 406 was in a 63 Chevy ll. Had a 3500 stall and 12 bolt with a 4.10 posi.

@sideswiped6874 7 месяцев назад

that 400 is going to treat the other cars badly. I was thinking 580hp. I knew it had to be up-there when I saw how long the Valve Springs are.

@otisbailey5455 Год назад

Steve Brule the man behind the curtain pulling the levers and pushing the buttons.

@ZHPGarage Год назад

The man, the myth, the legend

@macho4x4warlock98 2 года назад

Congratulations to the Master Mechanic and his excellent cameraman!!!

@j.j.clingman4083 Год назад

556 is my guess!! I just built a 421 sbc and ran it on the dyno and it was just shy of 700hp!! I was definitely happy with that and have all the paperwork from the dyno for prof!!

@raymondtrotter4655 10 месяцев назад

561 HP IS MY GUESS. LOVE THE SERIES ON THE 400 SBC. I HAVE A 511 BLOCK 2 BOLT MAIN I'M PLACING IN MY 62 FLEETSIDE SHORTBED BIG BACK WINDOW. I STOPPED THE VIDEO AS YOU SAID TO AND SHOW MY GUESS. KEEP THEM VIDEOS COMING, IM LEARNING ALOT. THANKS. TRUCK DRIVER RAY

@williepelzer384 2 года назад

Heat increases cylinder pressure, to a point. Good job 👍

@pumasisneros1 2 года назад

"No smoke being sold .... " = Craig! So happy, this 67 Dave guy is going to pee his pants when he takes it for a drive.

@six50motors Год назад

Awsome video cool that you got the man the myth the legend to dyno and tune your motor

@artbray2024 Год назад

Solid runner there with a Bob Oliver carburetor 👍

@davidcallahan5157 2 года назад

530 is my guess can’t wait too results good luck guys!

@gatorunleashed275 11 месяцев назад

Pretty cool I have a 400 SBC in my 71 Nova, strong motors.

@hafablake3599 2 года назад

You guys are literal geniuses I wouldn't trust my car in any other hands

@ZHPGarage 2 года назад

Much appreciated Blake ✊

@rick343 Год назад

I'm just now seeing this video, I've watched other 400s being Dynoed, and they barely made over 400 hp, so I saw what you put into that one, and I'm probably way under guessing, compared to the guys guessing on the video, I'll be impressed if gets more than 475, so 475, but if it gets barely over 400, I won't be surprised, I have a 400 in my 93 K1500 Chevy pickup, but it has mid 70s smog heads on it, so I'm looking to change the heads and have been watching everything I can find on Chevy 400 builds, I love my 400 , It's been in my truck for about 10 years and hasn't gave me any problems at all. So I hope the best for yours and hope for you that it does get into the mid 500 or even higher.

@michaelrzepka7522 2 года назад

Good luck with your 400 nice to see old school I have a 406 seasoned block flat tappet cam in my c10 best money I ever spent. Keep learning from that old timer they know a thing or two that google doesn't.

@dgc940 2 года назад

Dude look at that torque thats going in a 3200lb car fun times ahead!

@ZHPGarage 2 года назад

Yep! The weight of the car is something a lot of people overlook.

@WIED66 10 месяцев назад

You guys should build a 307. It would be cool to see it's potential. Seriously.

@jamesfowler7065 2 года назад

Love it. Very usable power for the street or track. You never said what are the specs on the cam.

@ZHPGarage 2 года назад

Specs for the cam are shown in our 3 part series on the build of this engine

@joepanzarello337 8 месяцев назад

Great engine guys! I'm assuming it's pump gas. Where did your compression land? And, what is the ball park cost of this motor?

@carbf1942 2 года назад

Great motor !! Love my 406. Oil pressure seems on the high side ?

@ZHPGarage 2 года назад

Yeah it’s a little on the high side, gonna change the oil to thinner oil

@shawng7902 Год назад

I wish they let you hear more of their combos on the stand. I know its totally irrelevant to power. But engine masters they even did several exhaust shoot outs and played music over the engine. Most all of us would love to hear how they spound instead music. Listen to yours and how good it sounds. Why not show that?

@ZHPGarage Год назад

Yeah I hear you there. When an engine is revving up the last thing I want to hear is guitar riffs drowning out the engine sound.

@FingerAngle 9 месяцев назад

I have a 1972 factory block sbc 400 I'm trying to work up a high out put combo for. Looking for about the same numbers, to go in a 1950 chevy fleetline deluxe rat rod gasser.

@mariovelazquez9138 Год назад

Badazz motor!! NA allday....

@drcolster Год назад

Good build, carby spacer it would of liked..

@JosephEaston-je6rk 3 месяца назад

Nice job guys, I'm sure it will serve you well if maintained and not overreved so do use a rev limiter.

@alleyoop1234 Год назад

I am curious as to what number power valve it was & what you changed it to(?)

@cameronhetrick8014 Год назад

I’m building a 400. At the machinist and it’s gonna run 10.1 - 1. I know, where boring but that’s the most we’ve ever done!

@jessicaembers924 Год назад

My MX-5 Came 13-1 stock! If you got aluminum heads, you can go higher than 10.1-1

@ericthompson3551 Месяц назад

Bruhle is the man. Initial setup screen said displacement was 377 . That was changed right ?

@richardsmith-qy6vl 2 года назад

I would love to no the specs on this build what compression what cam and heads and valves are in the heads.solid build.

@ZHPGarage 2 года назад

Check out our 3 part build on this engine where we go in depth on it

@jaredshoemaker9196 2 года назад

What are the flow numbers on these cylinder heads?

@tomasalvarez6040 2 года назад

Haha. I was soo hoping for some name dropping at the end: “No smoking mirror shop here, unlike other shops like….”-:-:-“ “

@stenny1970 Год назад

ZHP Garage - What was the cost of all the parts etc... to build it ?

@kelvinhayes4177 Год назад

The more it warm up the better it ran. Like that small block chevy 400.

@kelvinhayes4177 Год назад

My dad always said that those old Chevrolet small blocks need to warm up first.

@kelvinhayes4177 Год назад

My dad always said to warm up our cars .Chevrolet is the only make of vehicle he had. The warmer that motor got the stronger it sounds. Damm good to me. I love the work to that motor.

@2clicks2theright375 2 года назад

My guess will be 560@6300. And 525trq @4700….that’s what mine is at so I just figured I’d use that lol

@KyleHamilton79 2 года назад

I said 586. No soup for me!

@nathantwing3266 Год назад

1970 SBC 400 Factory Did 330Hp 410 Tq.. All You Had To Do Was A Cam To Amp It Up

@CherezianRacing 2 года назад

How much did that session at westech cost yall?

@rwatts1350 9 месяцев назад

I like the build. What would it cost

@forcedinduction5245 2 года назад

Well seems like ya did a good job. But it's a sbc you can buy a 500 hp version at the drive thru at ( take ur pic) Mcdonald's, Burger King, taco bell. So if you any kind of performance person you should be able to produce 575 + especially from 400ci. Do it with 355 inches on pump gas that's bit more of a challenge.

@2clicks2theright375 Год назад

It’s all about what your Cam lift is and the cylinder heads…more air flow and fuel to be delivered into the cylinder is what produces the numbers..FACTS!

@jeremymyers5643 6 месяцев назад

Only way your getting 575hp from a 355 is a lot of compression or rpm, or both. Sometimes that's just not doable for some builds.

@kingtut8381 9 месяцев назад

THE ''MASTER'' AT WORK

@jameshall4906 2 года назад

597 HP 580 torque

@billyumbarger7183 Год назад

Y'all boys gonna need a strong rear gear with some good axles

@ZHPGarage Год назад

Yeah we got a good rear end for it, installing it into the car soon!

@GJ-DT 2 года назад

what carb?

@tommo98765 Год назад

Oil pressure a bit excessive? Go to a thinner oil to reduce excess pressure and temperature? Or do you aim for that sort of level?

@ZHPGarage Год назад

It was a little excessive. After the engine is in the car and we get it running and driving, we’ll do an oil change to a thinner oil.

@tommo98765 Год назад

@@ZHPGarage ah true. I forgot mine did similar with all the assembly lube present. Thanks

@jeffnunley1861 2 года назад

What is the part number for this 400 sbc

@dw8555 Год назад

600+

@TheRoguelement Год назад

what compression ratio is your 400 inch ...

@Lure-Benson 8 месяцев назад

All of these videos for the 383 and 400 SBC are on racing motors. I would like to see 383 & 400 SBC engines built for work truck towing. I did for my 1988 Chevrolet 1 ton truck was replace the 454 with a 383 stroker using 6 inch rods - 202 -160 values and 68 cc combustion chambers for a compression of 9-8-1. Because there isn't any dinos around I would like to see a 383 built close to what I have run on a dino. I can say the 383 I did and now in my truck is pretty amazing for low end torque. I will never use a 350 again.

@richardsmith-qy6vl Год назад

585 as long as it's got enough camshaft

@joer5000 Год назад

what number power valve did you start with? And what did you change it to?

@alleyoop1234 9 месяцев назад

They had to have gone up in number to make that circuit come in sooner

@4g6XX 9 месяцев назад

How is the 350 so relevant with the 400 around is beyond me.

@ZHPGarage 9 месяцев назад

400’s are underrated for sure, not really talked about.

@rick343 Год назад

Wow, i stand corrected, very impressive.

@richardsmith-qy6vl 2 года назад

I would like to know the whole engine combination I'm going to be building a 406

@ZHPGarage Год назад

Sorry for the late response, but we have a 3 part engine build series on this you can check out where we go more in depth.

@jefferybernard4800 Год назад

Before the power valve you were running 581 after the power valve you hardly got a couple hundreds of a horsepower the cracking the power valve had to help the power curve

@stevenreynolds5066 2 года назад

You talk about air/fuel ratio, but what are the numbers and what type of fuel?

@ZHPGarage 2 года назад

Around 12.5:1 on 91 octane

@hawkofthenorth4829 Год назад

yeah in comparison to a LS motor that 400 Small block probably only cost 5-6x the same LS .. But hey who wants fuel mileage...lol

@jefferybernard4800 10 месяцев назад

I have a rough idea of the cam specs

@carlosmarrero3397 Год назад

614hp

@dougpascoe217 2 года назад

Great job , about how much money did it cost to build . Total parts and labor🤓

@ZHPGarage 2 года назад

A lot of money

@hawkofthenorth4829 Год назад

probably enough to build a 1500hp LS.. I bet

@Scubasteve22 2 года назад

Sorry boys. Nice motor , but need to ditch the dart heads. She is a little weak sauce. Should be 600 fairly easy. I believe frys and cheeseburger said it below, seems a little tight.

@screamn1979 2 года назад

What fuel is the 400 sb using

@ZHPGarage 2 года назад

91 octane

@everettbellgardt2874 2 года назад

672

@paulthompson8480 2 года назад

Please can some one show me where the specs are for heads /cam / inlet manifold /carb /compression . headers 1 3/4 1.6 rocker ratio Eg CR 65ccchambers/ flat top 11.3 to 1 std bore .005 deck .040 gskt SR cam no spec ,,, in video .690--.700 lft ???? 260@.050 ?? Actual 260/265 head Dart 230cc Pro 1 64cc ,,, yes checked part no Inlet GM ?? carb ?? 817cfm in vid !!! or actually Holley Classic HP 830cfm ??? 560--580hp @ 6500rpm ..

@ZHPGarage 2 года назад

We go over all that in our 3 part video series build on this engine.

@Nova-1977 Год назад

538 hp 497 tq

@turbodarealist4689 2 года назад

480hp I guess if it pump gas .. if high compression I say 550hp

@brendanbelli8769 2 года назад

So what if you put a power outer on it such as turbo or nitrous would you blow it up is that the best you can do 580 ?

@ZHPGarage 2 года назад

Couldn’t do a power outer with this setup. And 580 is plenty for what this car is going to be doing.

@brendanbelli8769 2 года назад

@@ZHPGarage for that car yes but I’m looking to get into no problem in the small tire division most of these cars are 1000 hp or better I looked into the dart SHP naturally aspirated 700 hp probably blow it up after that I have a 350 in my car with 010 casting max is about 600 so I either go big block or I go LS even if I wasn’t doing no prep to stay competitive you have to have 700 hp her better just to be a stock hellcat or Camaro and throw Mustang in there 500 hp Off the line 10 years ago was great today I would get laughed at it’s not even worth for them to turn the key

@brendanbelli8769 2 года назад

@@ZHPGarage Thank you for answering me nobody else is going out of their way I appreciate it

@LilRay.18 Год назад

@@ZHPGarage what wouldn’t allow you to do a shot of nitrous if you don’t mind me asking? Is it due to the ring gap y’all chose or bc the block itself ?

@jasongreen9851 Год назад

521

@kaseydiane7508 4 месяца назад

Would have made more with afr 220 heads

@tracyjames9938 Год назад

550

@prestonharris5831 2 года назад

556

@billyschroeder9014 2 года назад

I Guest. 600 hp.

@shaneeverett3026 2 года назад

601hp 588 torgue

@patricklauer3100 2 года назад

585 hp

@dontdowhatido6503 Год назад

dang 93psi at 6k rpm

@williamwhitaker8000 2 года назад

580

@MasterWitchDoctor 2 года назад

what do I think? I think my SS/J Super Stock 327 Chevy II will smoke that!!!

@ZHPGarage 2 года назад

Let’s line em up and see if that’s true!

@johnziegler204 2 года назад

With a 10.8 ET? I accept, best two out of three runs? What do you want to put on it?

@greggmanning9689 2 года назад

Ho about a parts list, what’s in it?

@ZHPGarage 2 года назад

Check out the 3 part build series we did on it.

@rodpalm6398 Год назад

I ended up at 530 tq and 560HP using Dart SHP 400cid running street roller cam.

@user-qt3jg8ym9x 2 месяца назад

575 hp

@rafaelrodriguez442 9 месяцев назад

What are the specs on the motor?

@patricklauer3100 2 года назад

93 pump gas. 34 deg?

@ZHPGarage 2 года назад

91 octane

@billyschroeder9014 2 года назад

I have a 400 small block I built myself in my Machine shop. It’s now 500 ci small block. 700hp. Real. Torque. Not like a fake Ls. I’ll race any Ls No problem. This motor. Is in a suburban. Don’t under estimate. This suburban. Will kill most cars on the road. I don’t like sport cars. Think there fast lol not

@ZHPGarage 2 года назад

The sports cars never see it coming lol

@williepelzer384 2 года назад

How do you get 500 cu, in ?