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Can compression test number be off due to very hot weather?

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Old Jun 27, 2002 | 12:18 PM
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Chubz's Avatar
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Default Can compression test number be off due to very hot weather?

My engine hits 300+ psi in all cylinders (12:1). In the Northeast weather has been very hot and humid (102F). I had my car out for an hour and it felt really sluggish has to be becaue of the weather. I did a compression test and I hit 300 (cylinder 4) 300 (cylinder 3) 290 (cylinder 2) 295 (cylinder 1) I did a compression test about 2 weeks ago and I was 300 across the board. Any opinions
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Old Jun 27, 2002 | 03:30 PM
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Default Re: Can compression test number be off due to very hot weather? (SuperTech)

its still within limits
i wouldnt worry about it
test it late at night to be sure
thats high compression, pump gas?
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Old Jun 27, 2002 | 03:41 PM
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Default Re: Can compression test number be off due to very hot weather? (SuperTech)

how do you convert 300psi to 12:1?
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Old Jun 27, 2002 | 04:43 PM
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Default Re: Can compression test number be off due to very hot weather? (TorteX)

Compresion tests you look for variances between cylinders more than absolute numbers, so it realy won't matter about the temprature.
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Old Jun 27, 2002 | 05:18 PM
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Default Re: Can compression test number be off due to very hot weather? (TorteX)

im running ctr pistons in a b18c1 block with b16 head
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