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.

The Rise of Hybrid High-Performance Transmissions

The Rise of Hybrid High-Performance Transmissions

Gearstar Performance 5 minute read

The rise of hybrid high-performance transmissions marks a significant evolution in the automotive industry, combining power, performance, and...

Upgrading to a Heavy Duty Transmission

Upgrading to a Heavy Duty Transmission

Gearstar Performance 6 minute read

If you're a truck or SUV owner, you know that these vehicles are designed to handle tough tasks and challenging terrains. Whether you use your vehicle...

Common Torque Converter Lockup Problems

Common Torque Converter Lockup Problems

Gearstar Performance 5 minute read

The torque converter is a critical component of an automatic transmission, responsible for transmitting power from the engine to the transmission. It...

What Is a Transmission Service, and Is It Necessary?

What Is a Transmission Service, and Is It Necessary?

Gearstar Performance 6 minute read

When it comes to vehicle maintenance, certain aspects are often overlooked, and one such critical component is the transmission system. The transmission...

Manual vs Automatic Transmission: A Driver's Perspective

Manual vs Automatic Transmission: A Driver's Perspective

Gearstar Performance 6 minute read

When it comes to choosing a transmission for your vehicle, the debate between manual vs automatic transmission options has been ongoing for years. Both...

The Advantages of Using a Hydraulic Torque Converter in Your Vehicle

The Advantages of Using a Hydraulic Torque Converter in Your Vehicle

Gearstar Performance 5 minute read

The world of performance engines is one that is constantly evolving, with new technologies and innovations emerging regularly. One such development that...

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