Built to Hold
Build guides, transmission tech, and install notes from the Gearstar shop floor. Every unit we ship is assembled by one builder, matched to your combo, and dyno-tested before it goes out the door. This is where we show the work: what holds, what grenades, and how to spec it right the first time.
4L70E Performance Transmissions Install
It hasn’t been an easy life for our in-house project, Blue Bomber, a 2011 Chevy Silverado with a supercharged 4.8L. We have flogged it on big tracks and...
Picking the Right Automatic Transmission for Your Street Rod
There was a time when automatic transmission had all kinds of unique names- Cruise-O-Matic, Hydra-Matic, Ultramatic, and the list goes on. But while he...
Step by Step: 4L60E Overdrive Trans Swap
01| The Level 4 Gearstar 4L60E four-speed isn’t much larger than the three-speed TH350 that was original equipment in the ’69 El Camino of Roadkill’s...
Parts Department: Shift to the Stars
This GearStar Street Performance Turbo 350 transmission and torque converter package is designed to work behind a small-block engine producing up to 400...
Rod Shop: Top Gear
We have a Gearstar transmission in the Project ’49 Chevy and for good reason. All Gearstar trannies are assembled one at a time by a single technician,...
Quality, Not Quota
Building high-performance transmissions is not a job for Zack Farah, it’s a way of life. The owner of Gearstar Performance Transmissions quite literally...