The potential for this transmission is amazing, but there are growing pains." Due to Circle D's efforts, late-model GM enthusiasts can rest assured that the 6L80E will only get better as it ...

With enthusiasts already looking at retrofitting the 6L80E into their classic Bow Ties, the transmission gurus at TCI decided there was a better way to put a six speed automatic in a classic Chevy.

Information about GM's 6-speed 6L80 MYC Hydra-Matic transmission, including details, specifications, vehicle applications, and more.