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 ...

The 4L60E can support gross vehicle weight limits of 6,000 pounds, while the 4L80E can support 8,000 pounds. Some 4L60Es also ...

This 1997 Chevy Suburban has a 5.7-liter engine, 6-inch suspension lift, and 35-inch tires. The truck is regularly used off-highway and to tow trailers. It also has a propensity for killing its 4L60E ...

Modern GM transmissions can be more than a little tricky with all the wiring and tuning involved, but nobody said it needed to be that way. If only there were a little computer you could slap on your ...

Using our normal bull-in-a-china-shop approach, we were able to get the wrong transmission behind an engine that it wasn’t designed for. Of course, we didn’t know that at the time, and built the ...

Remember when the "new" 700-R4 came on the scene? Well, the 700-R4 was introduced 30 years ago in 1982 and is still a solid choice for an overdrive transmission for carbureted cars. The GM 4L60E ...