Quote:
Originally Posted by pmead
Its not looking good. The spark plugs look great. All dry nice uniform tan color on all plugs. Cold compression test is another story. Cylinders 2,4,5,6 are all 175-180. #1 is at 120. #3 is at 100 and makes a totally different sound when cranking the engine with my tester hooked up. (There is no "air noise" when I crank) #3 is the only cylinder with the strange sound. Stuck valve? Broken valve? broken valve spring? Can any of these scenarios be repaired with the engine in the car? I think I may drain the oil and pull the passenger side valve covers next. A leak down test on #3 may tell me more.
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Don't let pulling the engine scare you, these cars were meant to have the engines removed to be maintained. Lot easier to work on out of the car.