When it comes to hand-held tuners that modify the factory tune on a mildly upgraded Mopar Hemi, the Predator was the tuner of choice for nearly a decade. At the time of its introduction, the Predator ...

The 5.7 HEMI is one of the most recognizable and celebrated American engines ever made. It's a beast of a power plant, with up to 395 horsepower and 410 lb-ft of torque on tap — right out of the box.

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 ...

We may receive a commission on purchases made from links. The Hemi engine has dazzled and impressed automotive enthusiasts for decades. The unique hemispherical combustion chamber (Hemi) powers many ...

Ticking the Hemi V8 option on your Dodge or Plymouth order in the late 1960s was an expensive way to ensure you’d be the fastest guy in town, provided you could keep its dual carbs in tune and your ...