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.

Crusher Camaro Gearstar 4L85E Install

Crusher Camaro Gearstar 4L85E Install

Gearstar Performance 1 minute read

  The Crusher Camaro Gearstar 4L85E Install. The 4L85E AOD transmission is a tough box, especially after a company like Gearstar builds it. Having...

Camaro SS Gearstar 4L85E Transmission

Camaro SS Gearstar 4L85E Transmission

Gearstar Performance 1 minute read

Camaro SS Gearstar 4L85E Transmission. To see if the swap is as easy as promised, we watched as Gearstar’s technicians went to work on the company’s 2000...

4R75W Performance Transmissions

4R75W Performance Transmissions

Gearstar Performance 2 minute read

The market offers a number of choices for automatic transmissions. One option would be a Ford 6R60/6R80 six-speed but they are hard to find. In addition...

Gearstar Custom Performance Transmission Installs

Gearstar Performance 1 minute read

Gearstar Performance Transmissions is located on North Howard Street, not even a mile from the beating heart of downtown Akron. Owner Zack Farah founded...

Pontiac Turbo 400 Upgrades Gearstar Performance Transmissions

Pontiac Turbo 400 Upgrades Gearstar Performance Transmissions

Gearstar Performance 1 minute read

Pontiac Turbo 400 upgrades GearStar Performance Transmissions. Located in Akron, Ohio, Gearstar specializes in providing custom-built, high-performance...

200-4R Performance Transmission Install

200-4R Performance Transmission Install

Gearstar Performance 3 minute read

By: John ShapiroWhat keeps people from enjoying their car on long distance drives? The gas mileage generated from that old tired 3 speed auto trans.We...

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