427 crank - Team Camaro Tech
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post #1 of 12 (permalink) Old Apr 11th, 08, 05:35 AM Thread Starter
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427 crank

For those who know alot about motor. Can you put a 427 crank into a 454 block?

Got to give the PEOPLE what they want!

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1967 Prostreet Camaro
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post #2 of 12 (permalink) Old Apr 11th, 08, 05:53 AM
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Re: 427 crank

Yep, you'll have a 427. 427 and 454 blocks are both 4.250 standard bore, the crank is the difference, 3.766" stroke for a 427 and 4.0" stroke for the 454.

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post #3 of 12 (permalink) Old Apr 11th, 08, 08:55 AM Thread Starter
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Re: 427 crank

ok then bored .30 over would be a 431?

Got to give the PEOPLE what they want!

Look....if you wanna be the best then you gotta take out the best!

1967 Prostreet Camaro
BB 431 650hp
400 Turbo Trans
Ford 9" 4:56 gears


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post #4 of 12 (permalink) Old Apr 11th, 08, 10:58 AM
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Re: 427 crank

Yes, that is correct.
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post #5 of 12 (permalink) Old Apr 11th, 08, 12:34 PM Thread Starter
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Re: 427 crank

thank you!

Got to give the PEOPLE what they want!

Look....if you wanna be the best then you gotta take out the best!

1967 Prostreet Camaro
BB 431 650hp
400 Turbo Trans
Ford 9" 4:56 gears


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post #6 of 12 (permalink) Old Apr 11th, 08, 12:58 PM
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Re: 427 crank

The 427 like the 302 can be built up from the GM inventory basket. Just put a 396 crank into a 454 Block and run the appropriate piston. I personally like the 427. The short stroke sure winds it up and you do not have to put out additional expenses for external balancing. The 427 was known as the engine that put out the biggest bang for the buck.

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post #7 of 12 (permalink) Old Apr 11th, 08, 04:47 PM
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Re: 427 crank

Quote:
Originally Posted by Matts01ES View Post
ok then bored .30 over would be a 431?
I do not think you meant a 300 thou overbore.
FWIW..433 cid.
Bore x bore x stroke x .7854 x # of cyls.
.030 over =4.280
stroke is 3.76.

George
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post #8 of 12 (permalink) Old Apr 11th, 08, 06:24 PM
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Re: 427 crank

If you put a 396 crank in a 454 block then what do you get?

Would still be called a 427 or 396?

Thanks Skeeter

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post #9 of 12 (permalink) Old Apr 11th, 08, 06:55 PM
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Re: 427 crank

Skip: Aren't we discussing 427"s here - LOL

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post #10 of 12 (permalink) Old Apr 11th, 08, 08:05 PM
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Re: 427 crank

I understand that we are discussing the 427 crank. But Ive ben told that a 396 crank in a 454 block will still give you a 427 Cubic inch.

Don't kill me for the lack of knowledge I'm just asking a question, that you have an honest answer to. So help me out because its all about LOL

Nice pictures by the way....

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post #11 of 12 (permalink) Old Apr 11th, 08, 08:11 PM
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Re: 427 crank

Quote:
Originally Posted by Z15CAM View Post
Skip: Aren't we discussing 427"s here - LOL
Can you explain to me the deference between using a 396 vrs 427 crank in a 454 block..

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post #12 of 12 (permalink) Old Apr 11th, 08, 10:00 PM
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Re: 427 crank

The 427 crank and the 396 crank are the same thing and can be used in either the 396 or 454 block which is the same as the 427 block. If you put a 396(427) (3.75 Stroke) Crank into the 4.25" bore of either a 427 or 454 Block (which are the same thing) you end up with a 427.

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Last edited by Z15CAM; Apr 12th, 08 at 06:25 AM.
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