1968 Chevy Corvette mileage: 87,000 miles. What is the proper procedure to conduct a compression test?
Wednesday, January 5th, 2011 AT 7:25 PM
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Remove all eight spark plugs. Remove and secure 12-volt wire from ignition coil. Place compression gauge in spark plug hole. Crank engine approximately 5 to 10 seconds. Gauge reading should be approximately 159 pounds.