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Discussion Starter · #1 ·
Hey guys... just wondering if someone can do the math for me as to what compression ration I am currently running...

My 306 has cast (ya, I know) flat-top pistons with the stock deck world JR heads...
Chamber volume... 58cc
head gaskets... Fel-Pro 9333PT-1 or 1011-2

Also, depending on what compression I am running, am I able to deck the heads to gain combustion?

THANKS!
 

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remember.... thats the "static" compression ratio. when the engine is running, a big cam will bleed off compression because of overlap. the bigger the cam-the more overlap-the lower your actual "running" ratio.
 
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