The 4L80E is a truck automatic transmission that was introduced by GM in the early '90s. It basically uses many of the same internal components as the TH400 but has an overdrive Fourth gear and uses ...

Open up any magazine or cruise the information super-highway and odds are the main topic of conversation is horsepower-and loads of it. We have it all these days with massive stroker engines; a ...

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 ...