Basically the Pushrod is used to complete the connection, between the camshaft and the rocker arm. Then, allowing the valves to open and close. The Pushrod also functions as a tube, for transferring lubricating oil, up to the cylinder head.
GM 3100 – 3400 engine issues, are still happening and are being repeated. We still have leaks, installation problems, as well as cylinder head and rocker bolt issues. That’s because, most people are still confused, […]