Modern GM transmissions can be more than a little tricky with all the wiring and tuning involved, but nobody said it needed to be that way. If only there were a little computer you could slap on your ...

Aftermarket EFI is nothing new. In fact, the first high-performance electronic fuel injection systems were introduced before some of our readers were even born. Those units were expensive, hard to ...

In Part 2 of our FiTech handheld tutorial, learn how to adjust ignition timing for optimal engine performance. This video covers step-by-step instructions for using the handheld controller to ...