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Old 03-15-2025, 06:45 PM   #11
sean1970ss
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Default Re: 427 BBC pistons closed chamber ideas or?

Quote:
Originally Posted by Alan Roehrich View Post
So you need a solid 750-770HP. To be honest, that will not be easy with a 427, You're going to need a 288/298/108 or so cam and at least an 850 carburetor, and that assumes a good intake and heads. Rod length will not make a difference, you'll need about 12.25:1 compression. You're going to end up with what amounts to an average Super Stock engine, but you can use a better carburetor and get there easier. You could use any good shelf stock closed chamber 427 piston. Should be able to get one from Wiseco or JE, for sure.
I found one of my cams but the duration is over 300 .748 .748 112 cn for 250 shot of NOS. I looked in wiseco they have a nice set 4.310 bore. I can use any type of manifold and carb or tunnel ram. Going to scan the cards see what you think.

Thank you very much this is just a build I have always wanted to do for the heck of it. Slick Rick is doing my 291 heads,
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