Most owners of bone-stock, or near-stock, LS1 vehicles have heard of handheld tuners. These wondrous little devices are best known for the ability to flash in a performance tune into the ECM-removing ...

HP Tuners is one of the leading names in the aftermarket engine tuning world, offering one of the most comprehensive tools on the market. For more than a decade, HP Tuners plug-in devices have been ...

This Malibu wagon's goal was to create a tire-ripping, fun-time-having street car—a vehicle to fill with friends to rip burnouts around town and destroy cones on the autocross. After a year of trial ...

While race-car performance is the goal of a large cross-section of enthusiasts, the key to completing a very powerful "Cam-Only" LS1 build is a delicate balance of both parts and tuning talent. As ...

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 ...