GM first released the Gen-III 5.3L truck V-8 in 1999 in the Silverado and Sierra truck platforms. GM Performance Parts (GMPP) has taken notice of the millions of these and the 4.8L V-8s that have been ...

From trucks and RVs to boats, Chevy's 8.1L Vortec powered heavy-duty machines with massive torque. Here's what defined GM's final big block engine.

This Chevy engine powered some of the world's highest-mileage vehicles over the years, and it keeps on hauling decade after decade.

Call it new tech by old NASCAR guys, conceived and executed by the long-time Winston Cup hands at Blue Thunder Racing Engines, chief among them, engine builder Harold Grady. About a month before ...

In general, the General Motors Vortec 5.3-liter V8 is a powerful, dependable engine. If you're not familiar with General Motors' Vortec engines, they are a family of small-block V8s that GM put into ...