If the cylinder heads are on the engine, you will need to add air pressure to the cylinder to hold the valves in place. Our example is the Craftsman 47089 compression test kit using the 14mm long ...
Q: I have a 1973 Corvette with around 82,000 miles. That car is pretty correct and has not been modified. What besides an engine compression test will tell me when the engine is in need of restoration ...
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