Gearstar Performance

Custom Transmission Build Team




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.

Is My Car Speedometer Accurate?

Is My Car Speedometer Accurate?

Gearstar Performance 5 minute read

Have you ever noticed the significant difference between your car speedometer that the speed communicated to you by your GPS or Sat-Nav (satellite...

Can Low Transmission Fluid Reduce Engine Power?

Can Low Transmission Fluid Reduce Engine Power?

Gearstar Performance 6 minute read

From getting to work to getting the kids to school to getting to your best friend’s house, you depend on your vehicle in a vast number of ways. To have a...

Debunking Performance Automatic Transmission Myths

Debunking Performance Automatic Transmission Myths

Gearstar Performance 6 minute read

The inclination of using performance automatic transmissions in cars is taking a new shape especially in countries that embrace technology advancement....

Ultimate Restomod Guide to Make Your Muscle Car Dreams Come True

Ultimate Restomod Guide to Make Your Muscle Car Dreams Come True

Gearstar Performance 6 minute read

The latest trend of restomod cars is certainly the best especially if you want to have the feeling of driving an old car you loved and, the same time,...

How to Service Your GM 700R4 Transmission With Some TLC

Gearstar Performance 6 minute read

One who is not familiar with vehicles and hydraulics would definitely be confused on seeing the topic of this article and be wondering what it is all...

Rebuilt vs. Remanufactured Transmissions: What's the Difference?

Rebuilt vs. Remanufactured Transmissions: What's the Difference?

Gearstar Performance 5 minute read

Replacing your transmission (after the old one has failed) can be a bit confusing. Should you choose a rebuilt model, a used model, or a remanufactured (reman)...