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

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...

“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,...

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,...

The Legendary 4L65E Transmission – Specs, Problems & Upgrades The 4L65E transmission represents one of GM’s most refined versions of its legendary 4-speed automatic family. Designed to handle more power than the 4L60E, the 4L65E is commonly found in LS-powered vehicles such as the Corvette, Camaro, Trailblazer SS, and Silverado...