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 ...

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 ...

There was a time in the mid-’50s when serious small-block and W-motored big-block Chevys danced off the showroom floor with twin Carter WCFBs bolted to a 2x4 intake manifold. John Buck is a longtime ...

FiTech Dual-Quad 2x4 EFI System We baseline test a dual-quad carburetor set-up on a 500ci Indy Wedge big-block, then swap it out for a self-learning, wide-band, O2-controlled FiTech dual-quad EFI ...