Have you ever wondered why GM, Ford, and Chrysler converted from distributors to distributorless ignition systems (DIS)? Sure, they eliminated the whirling mechanical device that spins a rotor that ...

Ever since the LS1s came out, many have dismissed TPIs and LT1s, mainly for two obvious advantages the Gen III has over them: a distributorless ignition and a powerful, easy to tune PCM. The only ...

It turns out everyone loves a good deal on horsepower.

For decades, GM’s Gen I small-block was the go-to engine swap for anything that needed cheap, reliable power, but its reign is coming to an end. GM’s Gen III V-8 debuted in the new-for-’97 C5 Corvette ...