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 ...

The 4L60E and 4L80E are two of General Motors’ most discussed automatic transmissions, and the choice between them shapes how a truck, SUV, or LS swap behaves on the street and under heavy load. Both ...

Engines get all the glory, but without a stout transmission backing it up even the most exotic mill is nothing more than a noisemaker. And as engines keep putting out more and more power, 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 ...

Poor reliability is a car problem that isn't as prevalent as it used to be. Automatic transmissions were among the worst offenders, with some going from smoothly shifting between gears while ...

With their debut in the 1990s, GM's 4L60E and 4L80E transmissions reveal some of their differences –- and similarities –- right in their names. The "4" and "L" respectively refer to the number of ...