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What is the compression (psi) of a obd1gsr (on a compression test)

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Old Sep 21, 2009 | 11:04 AM
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Default What is the compression (psi) of a obd1gsr (on a compression test)

Like the title says, I am going to do a compression test on a gsr motor I am buying later today could anyone let me know roughly what a stock bore stock compression gsr motor should have.
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Old Sep 21, 2009 | 11:11 AM
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Default Re: What is the compression (psi) of a obd1gsr (on a compression test)

my stock ls was at 180psi before i turbo'd it. so i'm gussing anything over that would be good for a gsr...
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Old Sep 21, 2009 | 11:12 AM
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Default Re: What is the compression (psi) of a obd1gsr (on a compression test)

just make sure they are all almost identical. if one is like 20psi lower than the rest there is probably a problem with that motor
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Old Sep 21, 2009 | 11:14 AM
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Default Re: What is the compression (psi) of a obd1gsr (on a compression test)

I know they should all be relatively close together I was just wondering the number (psi) they should be around.
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Old Sep 21, 2009 | 11:57 AM
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Default Re: What is the compression (psi) of a obd1gsr (on a compression test)

On who's tester yours or mine. Ricerburner gave you some good advice.
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Old Sep 21, 2009 | 03:12 PM
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Default Re: What is the compression (psi) of a obd1gsr (on a compression test)

The exact number depends on a lot of different things (like altitude, type of tester, battery voltage, exact method of testing, etc.). 170 is probably a good ballpark.
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