Let's face it, many problem areas in custom trucks don't rear their ugly heads until the manufacturer has already built hundreds of thousand of trucks and SUVs. For instance, Ford's Coil on Plug (CoP) ...

When Ford introduced the SEFI 5.0L High Output Mustang in 1986 many predicted the end of the tunable engine. Ironically it was the beginning of a new era of super-tunable small-block Fords that would ...

Spark plugs are essential for cars with internal combustion engines. However, they can seize up and get stuck. Here's how to ...

You've got an intake, an exhaust, and a programmer but are still hungry for more bolt-on performance. Most people turn attention to the ignition next. To get more ...