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.
How to Choose the Right Chevy Torque Converter
It's important to know how to choose the right torque converter for your chevy GM to ensure it is the rugged ride you expect it to be.Admittedly, torque...
Shifting Your 4L60E Transmission From Weak to Wicked
Rebuilding your 4L60E transmission can transform it into a tougher performance transmission.It'll have more durable components, increased torque and horsepower,...
Where Max Power and Good Cruisin' Collide, the 4L80E Transmission Awaits
There are several benefits of having an overdrive transmission.First off, these transmissions enable a car to use deep rear gears, which results in...
Which Performance Automatic Transmission is Best for Your Swap Project
An 'LS swap' is a switch and installation of the engine. The specific LS engine you would like to start with will largely depend on the budget with...
Ultimate Guide to the 4L80E Transmission
The 4L80E transmission was introduced in the GM C/K Trucks line-up – to the delight of motorists – in 1991. The legendary TurboHydramatic TH400 automatic...
Start Your Own Ford AOD Transmission Rebuild
The oil crisis in 1973 brought a very harsh reality for motorists in America: fuel was going to become more expensive. And the only way out is to...