All his dyno testing was performed on a 383ci small-block Chevy located at Shaver Specialty Racing Engines in Torrance, California. In these tests, Speed wanted to evaluate the best lubricants and ...

The "battle of the camshaft lifters" has been going on for years. Each design has its proponents. Those in favor of hydraulic cams cite reduced maintenance and claim that equivalently ground ...

Valves are critical to the four strokes of an engine. They're what let the intake mixture of air and fuel — or just air, if it mixes with fuel inside the combustion chamber when direct-injection is ...

It's been all the talk on internet forums, club meeting hangouts, and in enthusiast garages across the nation—the loss of zinc and other protective "barrier" chemicals in modern oil damaging ...

We built two small block Chevrolet 350 engines with nearly identical specifications, using different camshaft designs: one flat tappet and one hydraulic roller. We ran both engines on the dyno to ...