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 use different converters, and choosing the right stall speed and lockup characteristics can transform how a vehicle drives. Performance-focused owners often opt for higher-stall ...

'The 700-R4 has long been a mainstay in the General's arsenal of late-model automatic overdrive transmissions. In 1993, OBD-II brought electronic controls and the introduction of the 4L60E. At the ...