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Old 11-07-2012, 10:22 AM
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A cranking compression test is good with the carb removed or wide open.

A Cylnder leak down of each cylinder will get more in depth analysis if you find the location of the leaking air.

The oil pump output pressure belive it or not, is a excellent indicator of remaining engine life.

If the heads are off flip them over and fill the combustion chamber with water. The shut valves should retain the water pool in the chamber.
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