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.
Automatic Improvement
The new offerings from Mopar are a breath of fresh air for those of us unable to purchase a rear-wheel-drive V-8-powered automobile from Chrysler...
Street Rodder: Guide to Building a '40 Ford
With the number of miles the AMSOIL/STREET RODDER Road Tour car accumulates in a short period of time we’ve learned what it takes to combine drivetrain...
Shifting Into Overdrive—Part II
When we began building the Hot Rod Hauler, our updated ’73 Ford F-350, we had a number of objectives. One of the most ambitious was to increase fuel...
Transmission Accomplished - Four options to increase the capacity of a Pontiac Turbo 400
In the early days of the automotive industry, manual-shift transmissions were the norm. Operating a clutch pedal and a shift lever peering up from the...
Building the Bombproof TH400
I admit it. I’m a little hard on transmissions, and if you read this magazine often enough, you might have already noticed. In fact, it’s so bad that I...
16-Speed: More Gears Than You Can Shake Three Sticks At