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.
Overview of the 4L65E Transmission
Gearstar - Overview of the 4L65E TransmissionThe 4L65E transmission developed by General Motors for GM trucks – but adapted for the Chevrolet Corvette – is an...
Overview of the 2004R Transmission
What ultimately makes the 2004R Transmission stand out among others is its sturdy construction, and this makes it an excellent choice.When you see the...
History of the 4L60E and How It Stacks Up Against the 4L80E
The 4L60E is one of General Motors' most versatile and durable 4-speed transmissions. So how does it stack up to it's counterparts?The 4L60E – whose...
Overview of the 4R70w Transmission
The 4R70W also requires consistent maintenance, just like its predecessors.This way, you will have an incredibly powerful transmission.The 4R70W, a Ford...
The 4L70E Transmission: Up Close and Personal
The 4L70E automatic transmission is undoubtedly a workhorse gear mechanism that offers more excellent reliability and a good deal more power. Read on for...
Swapping a TH200-4R Into an Early Muscle Car for Easy Overdrive
Would you like to know how to swap a TH200 4R transmission into early muscle cars for easy overdrive? If that is a yes, let us show you how to go through...