The 4L60E and 4L80E are two of General Motors’ most discussed automatic transmissions, and the choice between them shapes how a truck, SUV, or LS swap behaves on the street and under heavy load. Both ...

When a 4L60 won't cut it and a Turbo 400's lack of overdrive has your engine howling on the highway, a 4L80E might be the solution to your transmission woes. Tracing its roots to the Turbo-Hydramatic ...

It's crazy to think about, when you get down to it. Multi-turbo and high boosted supercharged cars were usually a strict drag racing only application just 10 years ago. But now, turbo and supercharged ...

Between 1991 and 2009, General Motors' 4L80-E transmission was used in some of the manufacturer's most popular trucks and SUVs. Initially intended for use in mid-to-heavy-duty models like pickup ...

For the better part of the 20th century and much of the 21st, General Motors has been one of the largest automobile manufacturers in the world. The company has long been known for building tough, ...

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 ...

One of the most popular of the new breed of automatic transmissions is General Motors' 4L80E, and that's what we chose to get the AMSOIL/STREET RODDER Road Tour '59 Chevy into gear. The Hughes ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. With their debut in the 1990s, GM's 4L60E and 4L80E transmissions reveal some of their differences –- and similarities –- right in ...