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.
Performance Automatic Transmission Failure: 7 Mistakes to Avoid
Performance automatic transmission failure may not spring up from thin air. Rather, this failure may be caused by our own making due to certain mistakes. You may...
GM 4L80-E Transmission Swap Tips and Tricks
GM 4L80-E transmission swap tips are needful for anyone looking to revamp the performance of their transmission. The same goes if your ride is used for...
3 Signs That Indicate Your Need for a Transmission Upgrade
While modern-day cars and trucks are very durable and can offer years of reliable service with the right care and maintenance, they do require major...
GM 6L80E/6L90E Transmission Problems And Performance Upgrades Offered By Gearstar
Starting in the 2006 model year, General Motors released the 6L80E and 6L90E transmissions that developed several issues that tend to frustrate transmission...
Why Are 700R4 Torque Converters The First Choice In The Market?
Choosing the right torque converter for your vehicle can be tricky. You need to weigh in a plethora of factors for getting noticeable improvement in the...
TH350 Transmission Identification, Decoding and Super-Tuning
The TH350 (Turbo-Hydramatic) transmission identification, decoding, and super-tuning are what sets it apart from other transmissions. Its identification,...