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Old 02-19-2014, 10:57 PM   #1
Hugh Mongus
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Join Date: Jan 2014
Location: Tulsa, OK
Posts: 360
Engine Compression

I compression tested my engine tonight (dry). Six cylinders were 150, one cylinder was 130, and one cylinder was 160. What is a good number for compression in a 350? Should I be worried about the one cylinder that was low? I've always been told all cylinders within 15% is ok.

Looking for any information. Thank you in advance.
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Old 02-19-2014, 11:15 PM   #2
Wrenchbender Ret
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Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,226
Re: Engine Compression

That is nothing to be concerned about.
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