Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

Dear Tom and Ray: I drive a 1995 Ford Probe with roughly 138,000 miles on it. According to my mechanic, the rattlelike noise I hear as I drive is the result of valve tap. My mechanic indicated that it ...

Rislone Engine Treatment Concentrate is a penetrating lubrication oil combined with protective engine additives and cleaning agents designed to penetrate into valve seats, bearing surfaces, piston ...

Prolong Engine Treatment is a pour-in motor oil additive formulated to offer additional engine protection from friction and heat. The treatment is based on Prolong’s Anti-Friction Metal Treatment ...