Compression Check Acceptable Numbers?, Compression Check |
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Compression Check Acceptable Numbers?, Compression Check |
91422.7 |
Apr 25 2015, 05:20 PM
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#1
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Newbie Group: Members Posts: 36 Joined: 8-October 14 From: Eugene, Oregon Member No.: 17,991 Region Association: Upper MidWest |
I'm working on a friends car and we checked the compression with it cold. We retrieved the following readings: #1 cyl 70 lbs, #2-80 lbs., #3-80 lbs., #4-100 lbs., Engine has been running for about 6 months. Based on these readings what do you suggest? Is it ok to go ahead and get the engine running and drive it like it is or are you taking a chance of doing further damage? Run some diesel or ATF through the carbs and see if that would loosen the valves up some, then recheck Compression after a few hundred miles or is it time to tear it down and do a Valve job? Thanks for any suggestions.
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