What Kind of Transmission Fluid Does a 4L60E Take?
The 4L60E has earned its place as one of General Motors' most successful automatic transmissions. You'll find it behind everything from daily-driven...
Which is better, 200R4 or 700R4?
The 200R4 vs 700R4 debate has been going on for decades, and for good reason. Both transmissions became popular during the rise of overdrive performance...
700R4 vs 4L60E: What To Know Before Upgrading
When it comes to GM overdrive automatics, few transmissions get talked about more than the 700R4 and the 4L60E. Both have proven themselves in everything...
6L80 Transmission 4x4 vs 6L80 Transmission 2WD: What’s The Difference
If you've spent any time planning a late-model GM swap or sourcing a replacement unit for a truck build, you've probably run into the 6L80 pretty...
Is the Chevy 4L60E Transmission Good for Performance Builds?
Let’s discuss the Chevy 4L60E transmission for high-performance applications and explore its factory limits and reputation. We cover essential upgrades...
4L70E vs 4L60E: Specs, Internals, and Which One Your Build Actually Needs
The 4L60E and the 4L70E share gear ratios, a valve body layout that looks familiar, the same case family, and the same overdrive operation. Externally...
4L80E Upgrades: Top Performance Parts to Boost Your Transmission
Discover essential 4L80E upgrades, including the Gearstar Billet Direct Drum with oversized sprag, 300M input and main shafts, and supporting components....