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Old 06-05-2012, 10:35 AM
xzero117 xzero117 is offline
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Anyone know the stock compression ratio for a 1979 350 chevy ?

it came out of a truck and as far as i've researched it had 175 hp and 250tq back in the day, previous owner said it is completely stock, does anyone know the compression ratio that came in this engine ? or perhaps the cc's of the pistons

I'm trying to get an accurate compression estimate because i just bought a set of 305 cylinder heads 601 casting which have been ported and machined to have 58cc chambers and 2.02 intake and 1.60 exhaust valves

the engine has a slightly more aggressive than stock cam and i'm hoping for a tad bit under 9:5:1 compression so i can run 89 octane
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