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 ...

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 ...

I know automatics are no longer called slushboxes and haven't been for quite some time now. But when I was unspeakably young, that's what people called them because they shifted (or so it seemed) as ...

Add Yahoo as a preferred source to see more of our stories on Google. Poor reliability is a car problem that isn't as prevalent as it used to be. Automatic transmissions were among the worst offenders ...

Transmissions are the unsung heroes of the automotive world, but which ones are the most bulletproof?

We visited Gearstar Performance Transmissions to see what’s involved with building some of the industry’s best automatic transmissions. It was more than 25 years ago that Gearstar founder Zack Farah ...