AfterMarketNews Auto Care Pro AutoProJobs Auto-Video.com Brake&Frontend BodyShopBusiness Counterman EngineBuilder Fleet Equipment ImportCar Motorcycle & Powersports News Servicio Automotriz Shop Owner Tire Review Tech Shop Tomorrow's Tech Underhood Service

Home 2004 Editions December, 2004

There comes a time in the life of every valve when it must either be replaced or reconditioned. Valve faces become worn and eroded as the seats wear, the stems wear where they contact the guides, and the tips of the stems can become worn or mushroomed from the constant friction with the rocker arms or cam followers.

Heat also takes a toll on the valves. The hotter the valves run, the more likely they are to undergo undesirable metallurgical changes. Exhaust valves run hundreds of degrees hotter than intake valves (1,200

Share it now!
The following two tabs change content below.