Thread: GM Engine?
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10-07-2009 09:27 PM #21
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Edelbrock makes a 70cc chamber aluminum head. I don't know what that would drop the compression down to but you can run a little more compression with aluminum heads. I'd try to keep those TRW pistons. You can also get 76cc Chevy heads that would drop compression even more. Look for casting # 3973487, 3973493, 3998993 and 3998997. These are intermediate to high performance heads.Last edited by dmw56; 10-07-2009 at 09:35 PM.
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I'm happy to see it back up, sure hope it lasts.
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