4L80Extraordinary! - GM’s race-tested-tough, street/strip overdrive automatic from Performance Automatic is the latest in a respected pedigree GM’s 4L80E overdrive automatic is the latest in a ...

To handle great amounts of horsepower generated by large-displacement engines, a vehicle requires a robust and solid transmission to ensure it can effectively distribute said power to the wheels. That ...

Attention, Project T-top Coupe followers: We finally executed the drivetrain upgrade that we’ve been highlighting—well, hyping—since we embarked on the 1986 Ford Mustang LX’s resurrection back in ...

With their debut in the 1990s, GM's 4L60E and 4L80E transmissions reveal some of their differences –- and similarities –- right in their names. The "4" and "L" respectively refer to the number of ...