427 Chevy Dyno Tested - Classic Camaro Muscle
ฝัง
- เผยแพร่เมื่อ 5 พ.ค. 2024
- Nick's Garage Gear Shop
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Here is one of the iconic numbers of muscle car history, put to the test on Nick's dyno.
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Hello Nick, great build! A while ago I built an old school 427 rat. 11 to 1 comp, solid lifter cam .595/.621, Chevy iron rectangle port closed chamber heads (could not afford modern aluminum heads), Weiand Track Warrior single plane intake, 850 Holley DP. 562 HP 6300 rpm dyno tested. Engine is in my 1970 SS Nova.
RATOLOGY
What's making for torque?
@@antilaw9911 ,,,,Almost 540 TQ.
@@antilaw9911 I think it was around 510 or so, not as high as Nick's build. The engine was going in my light weight pro street/bracket 70 SS Nova with a TH400, 10 inch 3500 stall and 4.56 gears. We were tuning for peak HP and used 38 degrees timing as suggested by the Chevrolet Power book.
Boss car bro. My favorite of all time!!!
Had fun back in the 70's with a Corvette 427 / 4 speed , working as a service advisor at a GM dealership. What a monster for the time.
I have a 65 427 Vette sitting in my garage. Every time I take it out it turns into a car show.
L88 427 and 454 ls6 kings of the muscle car world 🥳✌️
Funny how simply putting a 427 Chevy on gets everyone's attention and doubles your viewership...lol
I love those valve covers and the engine sounds sweet. Great job guys!👍
Congrats on your 427 George , hope it brings you many fun miles.
Awsome 427 dyno blast, enjoy the coffee guys, Nick your cars at Glendale looked Amazing. So glad I got to see them in person
Thanks Mike! Much appreciated. ❤️
Thank you Nick for another GREAT DYNO DAY! Keep them coming!
That 427 is a GREAT engine that'll put a smile on your face once it's in the Camaro!
The sound of that distributor cap going back on brought back memories ❤️
fun times for sure. Tuning or just tinkering every weekend. Now it's boring -- plugs maybe once a year, oil and filter every 3-4 months. Modern engines just don't make the same 'thunder' and some even don't make any noise at all- some even make fake noise. Sacrilege.
It has been a long time since I’ve heard the throaty 427!! That is sweet. When we heard that sound on the street… you knew it was special. Great camera work George!
One of the greatest engines ever developed. Its my favorite big block. My dream is to build a 69 Chevelle 300, with every option delete you could get in 69, drop in an L88 speced 427, with a Rockcrusher. Making it a tribute to a 69 COPO car. Only options i need in it, are a steering wheel, a shifter, a seat, a clutch pedal, and a gas pedal. Dont even need a brake pedal. 😂
Only option I would add is Astro Ventilation.......
580 HP😮 I would be a happy boy. What a nice street engine. Great job guys.
580 hp gross is only 469 hp net....2023 Mustang GT does 480 net...no big deal
@@chadhaire1711 and it has a computer, fuel injection, 4 cams and vvt. This is an old school carbureted with a mechanical distributor. Single phase cam. So yeah apples to oranges. I am 65 years old and have watched the engine evolve. So yeah that is good power out of a 427.
@@randylear8264 That 427 will be even more fun to feed at 7 mpg.....might see 10 on the highway. And like all Chevy big blocks the valves will die before 10K miles. The last three Hellcats I drove did 22 mpg, even the stronger 800 hp version. Newer is always better. I dont miss any of those old rust bucket cars from the 60's 70's.....
@@chadhaire1711 I own a 70 GTX 440-6 barrel. I know something about the milage they get. I don’t daily drive my GTX. So it’s still apples to oranges. That is the beauty of the modern cars. But a Nova with a 427 is not a daily driver. Just a cruise once in a while.
@@randylear8264 Well the only way I would own one of these old cars would be to get what a guy I know has....he bought a 1970 Dodge Demon, then put a modern 392 SRT engine and tranny under it. It can be driven daily, and will smoke about anything off the road. That is the way to do it.
These are a great motor to start with and you made it even better, Nick! What a monster to say the least. Great job!!
Absolutely wonderful filming job like always George
Thank you Nathan.
That was crazy cool that someone would send you a model of your car! Nick! You got to get that motor done. Put it ahead of the line. That was really great of the guy to do that.
Mannnnn the 427 Chevy sure sounded good and what a Engine !!!!!! They just don't make pure horsepower like that anymore !!!! Very good numbers and a Classic engine from the good ol days !!!!! Great stuff Mr.Nick !!!!!!!!!!!
No, actually they do!! In fact, they make much more horsepower today!
That’s a Nick build from the ground up. Starts instantly, engine sounds so crisp. George, your opening for this video was great. Have a great week everyone.
Glad you enjoyed it.
Nick didn't build it, George did!
This shows how modern cylinder head design flows such good numbers and hence enables the production of excellent power numbers.... associated with a good choice of cam of course.
Sounded like the valve springs started to float
that's what I thought as well
Ditto. Nothing to do with distributor.
I was suprised it made it to 6400
I think its his dyno unloading. Shouldnt take much spring for this baby cam.
Springs are maxed out with the hydraulic lifters.
Excellent 427 BBC. The big block that revs like a small block.
That’s the secret sauce of a factory internally balanced rat power! THE best Chevy Big-Block produced! 7000rpm all day long in a BBC!
I agree with George, "Let's make some noise!" Very nice engine indeed.
I had a 68 Camaro with a 427 and a Muncie four speed, 3.23 gear, great driving car!
I'm glad to see you doing a video on Chevrolet do a few on small block 327s I would really appreciate it thank you and you're doing a great job keep them coming. ✌️
Thanks Nick for the build and test of the Chevy 427, for we Chevy people (though I'm a Pontiac guy) That was an awesome mail edition, especially George's '64 Bel Air with the inline six! :)
Very cool!
The 427 was my favorite big block
What's your favorite now?
Ford Chevy Chrysler doesn't matter it's all about the horsepower and the sound of course Chryslers are my favorite
Awesome 427 Chevy it would be fun in a Camaro. Good job Nick and crew on the build keep them coming and see you Monday
Good set of heads on this iconic Chevy. Good job building it. It's a beast!
Its great to know im not the only older man that still builds models. Great job on that build! I love to see the care you put into it! George, i can't wait to see yours back on the road!!
I absolutely love when you do mail time! It's so nice to see what your fans send you and the team. Always a pleasure to watch your videos and live shows. Take care everyone!
Thank you so much!
I'm no mechanic, just an old farmer. My biggest goal is to have an engine that starts and runs, day in day out, winter summer snow, rain, scorching hot, heavy loads. I have a 1978-80 era GMC 366 out of a dump truck in the shop now, hoping to drop it into a 1 ton dually as a farm truck. Has a New Process 5 speed bolted to it which is just fine for work. I never drive much over 90 kmh. Mostly loaded, hills, rough dirt roads. The staff at the local napa can't even find me plugs or wires on their computer, all I want is factory stock parts.
Enjoyed the 427 on the dyno Nick! One of my favorite engines. Mail time is fun to see what people send from all over and the effort that goes into it. That '64 was a nicely done model!
Wow. That is a great Motor. That Camaro will Be pretty Quick. Nice Job Nick.
Great show!!!! That 427 will get the job done very nicely😊. George, you deserve every good thing that has come, is coming, and will come your way!!!! Enjoy and great week, all!!!
you did a great job building this engine Nick! I'm sure the customer is more than happy. take care.
550 HP , 540 TQ. Those AFR ovals are great heads.
Yea BBC like good heads and some cam.
This is another fun video. I have wanted a 427 in a 1967 Corvette for 53 years !
Good Monday Everyone !!! George great intro !!! Beautiful camera work !!! Big Beautiful 427 BIg Block !!!! Dyno Monday !!!!!!!!
Dr. Nick, fast story, right before I got my 1967 GTX Hemi 4 speed, I almost got a 1968 Nova with a 427, so thanks for the flashback, enjoy your model George, cheers.
555 hp/ 545 lbs torque. Excellent choice of components, especially the oval port heads
Right on.
My favorite engines end in 27. Thanks Nick and George.
Nice 427 Nick, thanks for sharing. 👍
Have a good evening.
A bare block that had been stored for a long time, from about six months to three years, somehow makes the block much harder. One of the secrets to an engine block lasting a long time depends on how nimble the engine block is. With the constant heating and cooling, the engine is constantly expanding and contracting of which the engine block eventually will warp. With an iron block that is aged, it is less susceptible to being flimsy. The same goes for your diesel engine blocks, of which they are thicker than your contemporary gasoline powered engines.
Great the way the 427 roars to redline and as soon as the throttle backs off it settles into a healthy idle like "what else can you show me?" That's a 10 second Camaro! Beautiful build Nick! Way to go George!
I can't wait to see this in a car!
That engine is a BEAST! I love it! Thank you Nick.
615 HP 581 Torque, Good looking Engine!!
I haven't watched the whole video yet but I suspect it may not have enough cam for 615 hp.
Dude you and I are way off no info on the cam specifications and that intake manifold looks not so good but I love the power with that so far.....yes
@@danielsavedra4358 he showed all the cam specs toward the beginning. Look at 3:24.
That’s valve float at 6400. If you want to go higher you need stiffer springs.
615 gross is 498 net....only 18 more than a 2023 Ford 5.0 at 480 net
It sounds great , plenty HP for the Camero ,nice. Thanks Nick
awesome show that 427 sounds pretty good great video
Thanks 👍
Not a 426 Hemi, but a 427 Big Block. Enjoy seeing all types of big engines making great horse power.
At least HP 530/TQ 560
I live in Baton Rouge the home of Cam Motion. Kip use to build cams for bikes for some of my friends back in the 80's.
I've been using cam motion cams for 30 yrs
Greatest motor ever made.
I agree. My 427 was built in 1983 to rev and hold together and run on 92 octane pump gas and it’s been a great engine for me. It easily beat an LS6 1970 Chevelle SS .
Certainly better Engineered, the BBC and the SBC, than any of the Competition, well into the 90s
I, love it! Muscle car guys, everywhere!
A global connection.
Thanks Nick for building the 427 for us Chevy folks. I have a 67 standard bore 427 block in the shop, four bolt mains. Now I know what it could do.
Nick didn't build it, George did!
@@cryptonewbie2041 Well he did a fine job!
That is a nice block with thick walls.Can be turned to 440 easily with 3.76 stroke.
I was waiting for this to drop, saw the short announcing it. Love to see some rat bowtie content! I can just picture dropping this in a 68-72 Nova! Like a COPO tribute.
Hope you enjoyed it!
Great show Nick! You’ve got it all, from a great sounding 427 to awesome mail time!
Hi Nick and George....so glad George loved his replaca of his 64 Bel Air! Thank you for all the awesome videos!
Our pleasure! Thanks again Mike.
Definitely valve float, bbc valve train is heavy and they don't really like to go above 6500 with hydraulic lifters
Came to the comments to find this observation. I agree, heavy valve train with a lot of potential flex and hydraulic lifters makes spring selection key.
Maxed out on valve springs with the hydraulic lifters.
Great program and very informative!
427 Chevy SCREAMMING for a Cater 4747 ( You know just what I am talking about Nick!) FEEEEEEEEEEEEEEEEEEEEEED ME AIR !
A petrol heads impression of heaven A big block Chevy V8 427 Designed to move alot of air Nick's Garage is ready to share George the owner is very generous for letting us viewers see a classic engine so venerous It's bound to have some power Every Monday Nick's Garage is bound to entertain you for an hour Above their competion they tower Makin em sour But when you got a car to fix you need people who know all the tricks Nick's Garage is who you're gonna picks Thanks Nick George and George for sharing an engine worthy of applause
Hello Nick.
Thank you for another great video.
Take care.
From Sweden 🇸🇪
Trying to see if new card works !!!
Thanks so much, Bob.
I put a 428 pontiac in my gto. While i rebuilt my 400. The 428 was a monster out of the hole. More power than 400. So much more i wanted to keep it.
The 428/455 engines are torque monsters. The 428 was standard in the Grand Prix SJ model.
Thanks for the videos, always enjoyable:)
Glad you like them!
Those valve covers are sick. Love the finish flags.
They are!
Chevy fan here, thanks Nick. All your content is great.
Awesome! Thank you!
That guy really put in some hours building that beautiful model of George's 64 Belair. EXCELLENT !!!!
Hi Nick. Since you are doing a Chevy engine. I think you will enjoy this. One of my best friend's was a top engine builder who also knew Keith Black. We had built a small block Chevy 350 engine. Compression was 16.5 to 1 cam was 675/326 3/8 push rods if I remember correctly and I think the cam was 2 or 4 degrees advanced single carburetor. Turbo 400 transmission with a 5500 to 6000 stall don't remember what gears in the rear-ended it was only a quarter mile car a 1967 camaro. Two ring pistons.
Nick,
That video was so good I watched it twice. I tell you, I can’t wait until George’s engine is on the dyno. Thanks Nick! 👍🏻
Glad you enjoyed it.
That engine should be fun in a Gen 1 Camaro.
Great Job Nick and George
Daayum George yr scoring some pretty cool stuff. You do great work and you deserve it mate. Well done from Australia 🇳🇿
Hi Nick. Matt from RI. Great to see that bad 427 on the Dyno . I am really curious to see what type of numbers it will put out.
That would look great in my 1969 Z28 Rally Sport. Cant wait to hear this motor run. I just might have you build me one of those . We might be talking . Let it rip . Good luck . Have a great night.
Chevys are so easy and cheap to make power. They are the swiss army knife of engines!
Great content in Nick's dyno room....thanks alot...👍🔧
More to come!
Interesting when you pulled the cap on that distributor. Old school. No electronics. Cool!
I really hope you make another video on this one. Love all your videos.
Dana "60" Glass. Great dyno pulls on the 427. Love to see and hear a 375/396 and compare numbers. Great video as always
You are real nice guy to treat everyone special.
Nice. Thanks for the 427 dyno tune
It's a beast. Wonderful build. Grats!
Glad you enjoy it!
Good show Nick, thanks
That's a beautiful sound - Nothing sounds like a GM big block
George was smart with his money on this one, he bought the parts but had Nick do the build. Even though I've built engines myself, I know that this kind of build needs expert knowledge to make it happen.✨✨✨✨💥😳
Loved the content today, awesome well done men. That model is very well done, I have built a few bike models (more than 20), time consuming and sometimes frustrating, loved the challenge.
Right on!
I had all three 50 yrs ago at one time or another,428 Cobra Jet, 440 Magnum Super Commando , 435 HP 427 with tri power in a Corvette, stock on stock the big block Chevy was king !
Corvette makes rhe difference.
Valve springs are going on vacation at 6400
Yeah I thought the same. Sounded funky and dropped power/torque like flies.
That was my thoughts too.
Hydraulic cams sure are nice but they have their limits , I took a nice hydraulic roller and put solid roller lifters on it , comp 929 springs and it doesn’t lay over and virtually maintenance free haven’t had to adjust them for few years now
Springs are maxed out with the hydraulic lifters.
Good numbers on the 427 Nick & Team, one sweet looking & sounding engine too. George that model certainly is something aye. Nick mail time is always beaut as one never knows what one is getting, always a surprise to be had. Take care and have a beaut week ahead Nick & Team.
Thanks 👍 Have a great week, Blinkie.
George that was a great gift you got! That model car was perfect!
Yes it was!
The intro thru the garage and into the dyno room triggered my salivary response...."he wants to get 550 horsepower", triggered again!
My cousin had a '69 L72 with 4 speed. It was a beast and you had to be careful, it would put ya in the weeds in a heartbeat. Don't know what happened to it after he sold it.
I know of a couple of guys that built a 560 HP 327 with modern heads etc.. you could do that with less weight. But this monster is a torquer.
Thank you!
Beautiful engine!
Great job Nick❤ ! A BB Chevy with 570+ hp, 500 trq numbers in a virtual straight line is insane ❤
I can’t wait to see where it’s gonna squeeze between fenders.
No it is not.......570 GROSS on a dyno is 469 NET in the car.....2023 Dodge SRT at 485 net or Mustang GT at 480 net will beat it.
Not a Chevy guy here, but that's a sick street motor!!
that is a serious big block engine, thnx Nick.
I am a chevy guy...Thanks Nick.
Love to see georges smile 😅
Doesn't get much more genuine than nick amd George