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 ...

Many old-school tuners and hot rodders know their way around a carburetor and distributor. They also know today's technology enables better performance and gas mileage than we ever imagined. I'll ...