Hi I recently purchased a 67 camaro with a 70 350 block bored .40 over and stroked. It has brodix heads and domed pistons. Right now the compression is at 12.5:1 and I wnt to lower it down to pump gas friendly levels. Is there anyway i could do this without chaning the heads or pistons?
Either use extra long head bolts and a stack of head gaskets or just grind off the knots on top of the pistons...
In real life the only option to do it properly is to change the pistons (will have the most effect)... The heads would still work with lower compression pistons... Other than this your stuck with compression that pump gas wont support... (unless you buy it at the airport...?)
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