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.
Qualities of a Bulletproof 4R100 Transmission
The first electronically-controlled transmission from Ford was introduced in 1989 and named the E4OD (E = electronically controlled; 4 = Forward Gears;...
5 Tips for Choosing a Transmission Rebuild Kit
One of the most challenging repairs anyone can make on a vehicle is rebuilding a transmission. A transmission is a complicated mess of small parts,...
GM Turbo 350 Transmission Fluid Types to Consider
If you need to service your transmission, you must beware of the type of transmission fluid to use, especially for GM Turbo 350. This can be somewhat...
Signs of a Faulty Torque Converter
The torque converter is a susceptible, complex, but essential component of traditional automatic vehicles. In technical terms, a torque converter is a...
6 Tips to Boost Auto Transmission Performance
A vehicle auto transmission is a complex mechanical system that can be expensive to replace when damaged. This cost is why utmost care is essential to...
Horsepower and Torque: The Difference
A vehicle's two top performance metrics bandied about by car enthusiasts are horsepower and torque. You will find them peppered all over every...