General Motors' 4L60-E automatic transmission is one of the most popular transmissions ever built. It was initially designed to replace and modernize GM's older Turbo 700R4 — also known as the ...

There was a time in the not so distant past that if you said "it's an automatic" the competition began to salivate at picking on the wimpy kid in the schoolyard. Those days are long behind us as ...

Approaching four decades ago, automakers were scrambling for solutions to fuel economy woes, and GM was no exception. Computer-controlled carburetors and the birth of electronic throttle body fuel ...

In the past, automatic transmission swaps were normally done so the tranny would handle the extra power of a new (or bigger) engine combination. Rarely, if ever, were gear ratios or the benefits of ...

From Rust to Road – Breathing New Life Into Classics & Modern Machines. Whether it's a chopped '50s Mercury, a Cadillac hearse with attitude, or a modern transmission rebuild, every bolt turned tells ...

The 4L60-E transmission appeared in a wide range of GM vehicles and remains popular for rebuilds and custom work. However, there are some frequent issues.