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 ...

FatBoysOffroad has released comprehensive step-by-step guides for rebuilding GM's 4L60E automatic transmission, widely used in trucks, SUVs, and performance cars. These resources combine diagnostics, ...

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 ...