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.
What is a Transmission? A Guide for Beginners and Gearheads
If there were a crown for “most mysterious car component,” the transmission would probably be a front-runner. For a lot of enthusiasts and weekend...
What Is a Torque Converter? Key Functions, Components, and Performance Benefits
If you’re building a performance car, refreshing a classic, or putting together a restomod, one of the first questions that usually comes up is:...
Automatic Transmission vs Manual: What You Need to Know for Performance Builds
When building a performance car, restoring a classic, or assembling a street/strip machine, one of the first decisions you must make is whether to choose...
Preventative maintenance with your transmission
Transmission Slip Yoke and measurements
Why the TH350 Transmission Is Still a Favorite Among Classic Chevy Owners
When you talk about classic Chevy cars, the TH350 transmission always finds its way into the conversation. It’s not just a part. It’s a legend in its own...