The differences between the 700R4 and 4L60E transmissions come from their design and used dates. The 700R4 was used earlier and is mechanically controlled.

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 ...

Cheap(er) gasoline yep, it is a reality and the lower cost is certainly comforting after crude oil prices sat at record highs for many years. New sources for American oil, which exploration began ...

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 ...

While we can't blame you for involuntarily convulsing in laughter after reading that last line, Mike Kurtz of Century Transmission is about to make good on that claim. With GM's recent updates to the ...

Engines get all the glory, but without a stout transmission backing it up even the most exotic mill is nothing more than a noisemaker. And as engines keep putting out more and more power, the ...