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Generation III Internal Engine 1997-2006 LS1 | LS6
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Compression test question...

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Old 03-01-2004, 02:16 PM
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Default Compression test question...
Anybody know the poundage for a LS1? like what it should be ?
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Old 03-01-2004, 02:42 PM
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According to Alldata, min pressure is 100 PSI, no cylinder should be less than 70 percent of the highest reading.
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Old 03-01-2004, 10:56 PM
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Cylinder pressure readings will vary from cam to cam. Don't look for a number, just look for a consistent number in all 8 cylinders.
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