The 4L60E and 4L80E were both developed by GM, and there are many similarities in their designs. However, there are key ...
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 ...
Our 5,400-pound, 400hp 4x4 has chewed through no less than four 4L60E four-speed automatic transmissions in less than a decade. The failures have included: a smoked torque converter clutch, which ...
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4L60E vs 4L80E transmissions explained
The 4L60E and 4L80E are two of General Motors’ most discussed automatic transmissions, and the choice between them shapes how ...
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