Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the only ...

WASHINGTON—The Society for Cardiovascular Angiography & Interventions (SCAI) has published a first-of-its-kind educational resource for interventional cardiologists and imaging specialists performing ...

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 ...