If the cylinder heads are the lungs of an engine, the camshaft is the brain. It affects the powerband and temperament of a motor more than any other single part, and a slight change can turn a car ...
A remote starter switch and a top-quality, screw-in-type compression gaugeâ such as these models from Sears, Roebuck & Companyâ can be used to measure the pumping efficiency of an engine, as well as ...