Does anyone know what kind of numbers one should see if they do a compression check on a cold motor that is sitting on an engine stand. My friend wants to know. He will be doing the compression check by turning to motor over with a wrench. Anyone have any ideas? Thanks in advance.
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Compression test on cold motor?
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umm i don't think you will be able to turn it by hand fast enough to get an acurate reading....
but the haynes manual states this.....
standard =
non-turbo 173 psi @300 rpm
turbo 165 psi @300 rpm (169 psi on 1988 and later models)
minimum =
non-turbo 128 psi @ 300 rpm
turbo 121 psi @ 300rpm (125 psi on 1988 and later models)
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maybe he has the tranny and the starter rigged up somhow in the engine stand with a 12v battery ready to turn it over hmmmm, hmmmm, ever think of that hmmmmm! :P85 Z31 6.0 LSX turbo 766whp/792wtq
04 GTO, LS6, big cam, porting, N20... underway for summertime daily driver.
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