Gearstar Performance

Custom Transmission Build Team

  • torque converter matching
  • dyno testing
  • transmission installs
  • GM performance automatics
  • Ford performance automatics
  • Mopar performance automatics




Gearstar Performance Transmissions has been hand-building high-performance automatics in Akron, Ohio since 1996. Every unit is assembled start to finish by one builder, matched to the customer's engine, gearing and intended use, then dyno-tested before it ships. The build team writes here about transmission specs, install procedures, torque converter matching and what actually holds up behind real power.

All You Need to Know About Performance Transmission Parts

All You Need to Know About Performance Transmission Parts

Gearstar Performance 8 minute read

The transmission is one of the most critical components of a vehicle's powertrain. It transmits power from the engine to the wheels, allowing the vehicle...

Evaluating Whether You Need a Performance Transmission Rebuild vs Replace

Evaluating Whether You Need a Performance Transmission Rebuild vs Replace

Gearstar Performance 8 minute read

As a performance car enthusiast, you know that your vehicle's transmission is a critical component that can make or break your driving experience. A...

Is a Transmission Tune up Necessary for My Cars Performance?

Is a Transmission Tune up Necessary for My Cars Performance?

Gearstar Performance 7 minute read

A vehicle's transmission is a vital component that helps ensure smooth operation and efficient power delivery. It is responsible for transmitting power...

Everything to Know About the High Performance Transmission Cooler

Everything to Know About the High Performance Transmission Cooler

Gearstar Performance 5 minute read

Your vehicle's transmission is a complex system that transmits power from the engine to the wheels. Naturally, by doing so, the transmission generates...

10 Tips on Optimizing Your Torqueflite 727 Transmission

10 Tips on Optimizing Your Torqueflite 727 Transmission

Gearstar Performance 6 minute read

The Torqueflite 727 transmission is a well-known and highly regarded Mopar transmission system used in various vehicles. However, like all transmissions,...

What Are the Different Types of Transmission Fluids?

What Are the Different Types of Transmission Fluids?

Gearstar Performance 6 minute read

Many fluids run through your vehicle, powering it in their little way to ensure you enjoy or have a smooth driving experience. One of the most crucial of...

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