It's unlikely that any auto enthusiast envisioned that the all-aluminum 346ci LS1 for the restyled C5 Corvette (introduced in 1997) would evolve into the hotrodder's dream. The new 5.7L was ...

This is going to cause some headaches for the forum dwellers who claim that nothing less than rectangle-port heads and a giant cam will make 500 hp on an LS engine. We made nearly 500 with a little ...

There comes a time in every project's life where it's all about refining the combination. When all of the parts are working together and the car drives the way you like, but you just need to make a ...

Get our GM news straight to your inbox. We'll send you one or two emails a day with the latest GM news coverage. It's totally free.

In part one of our Great Crate Update, we subjected a GM Performance Parts LS2 crate motor to a series of performance modifications, including a Comp Xtreme Energy cam, a FAST LSX intake, and two ...

Get our GM news straight to your inbox. We'll send you one or two emails a day with the latest GM news coverage. It's totally free.