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Discussion Starter #1
wanted to ask,whats a good ball park figure on ring gap for a pump gas turbo motor?

302 with trw pistons and Mahle rings..running intercooled with a small turbo..maybe 15lbs max..thanks in advance
 

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Well, you gotta know more before talking. Bore diameter, piston to bore clearance, compression ratio, expected maximum rpm, ring material, ring width, ring coating, if any.

Otherwise, go two-thousandths of an inch per inch of cylinder bore diameter.
 
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