General Motors used the TH350 and TH400 transmissions in the '60s. The numbers in their names aren't the only things ...

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

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 ...

The other day two mysterious black cases were delivered to our office. When we saw them we were a little reluctant to open them for fear of having a SWAT Team knocking on our door. You couldn't ...

While most people focus on making their car's engine more powerful when they want better performance, it's not the only part of the powertrain that can be upgraded. The car's stock transmission can ...

Over the years, engineers at Eaton have been refining their automated mechanical transmissions (AMTs). In that time, I’ve driven and judged them from a driver’s perspective, and praised and criticized ...

Allison Transmission has a new lubricant spec for its automatic transmissions, and Petro-Canada Lubricants is the first oil company to meet it. The new DuraDrive HD Synthetic 668 will be the factory ...

For driving purists, the manual transmission remains the ultimate symbol of engagement and control. In a world where automatics and dual-clutch gearboxes dominate, the manual transmission continues to ...