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post #3 of (permalink) Old 11-09-2002, 12:00 PM Thread Starter
Join Date: Apr 2002
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Re: low compression in #2 only showing 89 lbs

The head was a brand new 4.0L head directly from Clifford Performance. It has Chevy S.S 1.92/1.50 valves installed. I left the commpression gauge hooked up for a while and the pressure stayed at 89 lbs. I am getting alot of blow-by from the crankcase. Oil is evident around the breather, the distributor shaft, and other opening around the engine. Would a leak down test be the way to solve this mystery?
Thank you!
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