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Old 03-30-2019, 07:59 PM   #13
Craig CT
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Join Date: May 2010
Location: Sherman, CT
Posts: 330
Default Re: 40 V8 compression change all cylinders same time

Quote:
Originally Posted by L78CHEVELLE View Post
I have a original 1940 85HP engine that has been rebuilt professionally about 3 years ago. The engine ran great for the first year and half for about 2,000 miles. Compression on each cylinder was 100 to 105. Now the engine runs poorly, misses, hard to start when hot, and is not reliable. I checked the compression today and every cylinder is 60 to 65 pounds. Valve adjustments are good. I am confused and discouraged. Can any one give me some options?
Hi L78CHEVELLE; It could be your cam timing. Good luck, Craig.
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