Restores Smooth Performance, Reduces Valvetrain Noise, Reduces Engine Wear Tick Fix solves this problem by adding extra ...

A class action lawsuit filed against GM over alleged faulty lifters in certain V8 engines has still not received class action ...

The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

As GM Authority has covered for quite some time now, GM is set to launch a new variant of the mid-engine C8 that will dust off the Corvette Grand Sport nameplate and fill the gap between the C8 ...

Rainer S. Drolshagen has been named special agent in charge of the Minneapolis Field Office. Drolshagen, who recently served as a deputy assistant director in the Directorate of Intelligence at FBI ...

Iron 5.7L LS1 budget engine dyno run - Fast 92mm Intake We took the rotating guts from an LS1 engine and stuffed them into a bored out 5.3L block for a budget engine that put out over 450 horsepower ...