If you're reading this, there's a better-than-average chance you have a Mustang. And unless you're one of the eight or nine hold-outs on the superiority of electronic fuel injection, you've most ...

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 ...

Ignition timing is easily the single most important tuning adjustment on an internal combustion engine and yet the concept of ignition curves continues to be elusive for many enthusiasts. Yet all it ...

How many years have you been tinker-tuning your Corvette only to have to keep popping the hood for more tweak-tuning? Can't quite get the carburetor in a proper state of tune? Rough running, misfire, ...

When it comes to DIY upgrades for modern performance cars, few products offer a more compelling cost/benefit equation than aftermarket computer-tuning devices. We experienced some of these benefits ...