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08-27-2004, 12:14 PM
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Registered User
Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,937
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compression ratio and aluminum heads
Hey all, this may be too general but here it goes. I am running a set of 461 heads with 64 cc chambers on a 327 bored .06. I have flat top forged pistons. I figured I was around 9.5 compression Nothing (I believe) has been milled down. Does this sound about right? I have added tpi from an 86 it has been run on the chassis but not driven yet. I have a chance to get some 86 vette aluminum heads that are 58 cc chambers.
first does the guess comp ratio sound right? will I be too high to go to the vette ones? Is it worth the effort? Currently I dont have access holes so I cant add a serpentine system but would like to? Thanks Dave The cam is a computer friendly crane cam about 3 steps above stock but not the most aggressive they have. again thanks
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
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