Okay, I bought a 468 engine with 990 heads on it, it's a built drag motor and it's a 12.5:1 CR. Now I would like to make it be able to run off 93 or even less but 93 is where I would want it, I'm trying to choose pistons for it, any suggestions? I was looking at flat tips but these are open chamber heads so it wouldn't be that good of a choice (i think) any feed back is appreciated, Thank you
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