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 ...

The First-Generation Chevy small-block V-8 design has many press-in plugs in the iron block, but on the aluminum Bow-Tie version, these Allen plugs are used. When final installing, these main oil ...