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Old 02-23-2004, 07:19 PM
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Help Id TRW pistons please.

Summit has a rebuild kit with a nice price, but the pistons dont tell the comp ratio and the tech guy cant find the #'s for it. Its a TRW dished with 4 valve reliefs. Any idea the comp ratio on it? Never heard of Dished with valve reliefs before. HG

I was built with the body of a God! To bad it was buddah.


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Old 02-23-2004, 07:29 PM
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What engine? If it`s for a small block chevy, I`d say the compression ratio is 8.5:1 with 76cc chambers, 9.2:1 with 64cc heads. but this is just a guess, since I don`t know the overall dish size in cc`s. you could go to KB`s site and see if they have any pistons that are similiar, and there you can type in the chamber size and they give the CR.
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Old 02-23-2004, 09:05 PM
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You could try here: TRW pistons
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