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#1
12-06-2005, 04:37 PM
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Compression Question
Hey guys whats the normal comrepssion on a GSX engine ? Is 150 low ? What compression numbers am I suppost to look for ? Oh yeah , the engine is a 6 bolt turbo. Thanks
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1997 Eclipse GSX 
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#2
12-06-2005, 07:57 PM
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180-180-180-180 is about right from what I can remember.
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'92 3000gt SL Zoom Stage 1 Clutch Quote:
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#4
12-06-2005, 10:00 PM
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Re: Compression Question
Are you getting 150 across? 150 is alright but there shouldn't be more than 10 psi variance between cylinders
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95 GSX:FMIC, 6-bolt, evo 3 16g, 2600 act clutch, 1g bov (crushed), and a 3" turbo back exhaust, dsmlink, dks 272 cams, wideband 02, Coming soon 2.3L Stroker, 1mm oversized valves, crower sprigs. 91 TSI AWD auto, gm 3.5 maf, maft, fmic, emanage, profec e-01, 3" turbo bk exhaust +more little stuff. http://www.ratemydsm.com/member/ez1286/?member=ez1286  
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#5
12-06-2005, 10:36 PM
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Re: Compression Question
2G will typicaly be in the 175-185 range, and 1g will be in the 150-160 range. Compression ratios are 8.5 and 7.8 repsectively. There will also be some cam timing differences between turbo and NT which alo affect the cylinder test pressure.
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Kevin Jewer RWD Talon - 7.92 at 180 Mightymax - 10.7 at 125
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