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Cylinder Compression Test?

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Old 07-20-2009, 02:15 PM
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Default Cylinder Compression Test?

im about to do a cam swap on my LS1 and i was going to go a compression test i got 90K on the clock what cylinder pressure should i be looking for and whats the max diff. between the cylinders.. thanks
Old 07-20-2009, 02:33 PM
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I think they should be between 150-200 and the pressures should be within 10% or so to each other.

I wouldnt bet money on that, so if someone else knows for sure please chime in.
Old 07-20-2009, 02:41 PM
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Originally Posted by TooLateVTEC
I think they should be between 150-200 and the pressures should be within 10% or so to each other.

I wouldnt bet money on that, so if someone else knows for sure please chime in.
Truth.
Old 07-20-2009, 03:27 PM
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awesome thanks ...so nothing lower than like 140-150
Old 07-20-2009, 03:47 PM
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Originally Posted by witry
awesome thanks ...so nothing lower than like 140-150
Numbers that low would concern me, but I'd do a leakdown test to confirm in that scenario...
Old 07-20-2009, 04:30 PM
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ill be doin this next weekend so ill def post up the number and go from there




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