Approaching four decades ago, automakers were scrambling for solutions to fuel economy woes, and GM was no exception. Computer-controlled carburetors and the birth of electronic throttle body fuel ...

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 ...

A few months back we detailed the buildup and testing of our street 4L60E trans with help from our trans man Jimmy Galante and parts from Sonnax and TCI Automotive. But that was only half the battle.

Beefing up your diesel pickup’s factory torque converter with a heavy-duty billet-style improves power, fuel economy and transmission durability — you can bank on it When it comes to towing, the ...

The SEMA show will see the release of a new aftermarket component from TCI Automotive, the 4X Transmission Bellhousing Adapter and Flexplate Kit enabling installation of a GM 4L60E transmission in a ...