Ed note: Sources for quotes and related information: Doug Rippie Motorsports, General Motors Technology Group, Hypertech, Inc., Jenkins Competition, Lingenfelter Performance Engineering, and Lunati ...

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 ...

The last few years have been seriously rousing for the ever-expanding and continuously evolving Gen III custom tuning market. In the beginning of the Gen III era, we were elated with just the ability ...

Brian Vorpahl is a doctor of digital performance who makes house calls. Armed with custom computer programs he designed for General Motors V-8 engines, Vorpahl is a new-age performance tuner who ...