Monster Transmission Blog: Transmission Tech, Upgrades & How-To Content

Dodge 68RFE Installation Guide: Step-By-Step for Ram 6.7L Cummins
Oct 24

Dodge 68RFE Installation Guide: Step-By-Step for Ram 6.7L Cummins

Installing a 68RFE the Right Way: Complete Step-By-Step + Relearn, Fluids & Troubleshooting If you’re putting a new or reman 68RFE into a Ram with the 6.7L Cummins, the install process matters as much as the parts. Most failures we see after an install trace back to three things: dirty...
By Ben Dow
Read more
4L60E vs. 4L65E: Key Differences, Specs, and How to Tell What You Have
Oct 23

4L60E vs. 4L65E: Key Differences, Specs, and How to Tell What You Have

4L60E vs. 4L65E: Spotting the Differences in Your Vehicle GM’s 4-speed automatics confuse a lot of folks because the 4L60E and 4L65E look nearly identical on the outside. But if you’re swapping, rebuilding, or trying to order the right converter, the differences matter—a lot. Below, we’ll show you exactly how...
By Ben Dow
Read more
6L80E: GM’s Biggest Transmission Failure? The Truth About the 6L80E
Oct 22

6L80E: GM’s Biggest Transmission Failure? The Truth About the 6L80E

“The Worst” Chevy Transmission Ever? Let’s Talk Honestly About the 6L80E The internet loves a hot take. You’ve probably seen thumbnails calling the Chevy/GMC 6L80E “the worst transmission ever.” We get it—when a truck shudders at 45 mph, drops into limp mode, or burns a clutch pack after a tune,...
By Ben Dow
Read more
How Long Does a 68RFE Transmission Last?
Oct 21

How Long Does a 68RFE Transmission Last?

How Long Does a 68RFE Transmission Last? Real-World Lifespan The Dodge 68RFE transmission is a workhorse — a 6-speed automatic built to handle the torque of the 6.7L Cummins diesel in Ram 2500 and 3500 trucks. When maintained correctly, it delivers years of dependable service. But anyone who’s towed, tuned,...
By Ben Dow
Read more