CP piston bore question - stock sleeves
04-27-2005, 03:57 PM
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CP piston bore question - stock sleeves
The pistons were in my car when I bought it. I was told the motor was stock sleeves .030 over, I just found the spec sheet on the pistons and the bore diameter is 3.219. Does that match up to .030 over?
Also, from the spec sheet, can I figure the C/R of the pistons? it say sthe compression height is 1.181 and the dip depth is -.075
Also, from the spec sheet, can I figure the C/R of the pistons? it say sthe compression height is 1.181 and the dip depth is -.075
bump fockers
04-27-2005, 04:50 PM
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Re: CP piston bore question - stock sleeves (94lsboost)
04-27-2005, 08:42 PM
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Re: CP piston bore question - stock sleeves (adseguy)
The pistons you have are 81.5mm and would have 9-1 c/r in a stock gsr block...but you didn't tell us what block or head you have, what your head gasket thickness is, was the head milled, etc. so it is impossibe to even guess on the compression ratio
04-28-2005, 09:46 AM
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Re: CP piston bore question - stock sleeves (earl)
stock gsr head, p&P.... and stock gsr block. I was just wondering if they pistons were 9.1's.. not really worried about the true compression. Thanks though
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