Follow the installation of a manual valve body on a built 4L60E transmission and see the key steps involved in the upgrade. The project offers a closer look at the components, setup process, and ...

When the guys at Trick Flow Specialties sent us out the door last summer with a fresh 350 under hood of our 1978 Malibu, they seemed to be taking bets on how long the transmission would last. "The ...

The most significant difference between General Motors' 4L60E and 4L65E four-speed automatic transmissions is their ability to withstand different levels of torque. Before the 4L65E was introduced in ...