Video: The Ultimate 6-Speed Transmission!

As the sport of autocross has progressed, so has the technology in it. We all know about upgraded suspension, brakes, engines, wheels, and tires. One thing that really hasn't made leaps and bounds of improvements is the transmissions. Clutch technology has improved as you can see dual and triple disc clutches that have street manners but can handle 1,000+ HP. However the … [Read more...]

Trans Hump Install – The Easy Way!

Installing a Trans Hump The Easy Way Transmission humps are a crucial piece to your car, but probably not something you think much about unless swapping in a modern transmission. Recently we were working on a side project of ours, a '23 T-Bucket. This little car is getting an LS and 4L60E squeezed between the frame rails. After cutting the body to fit the transmission, we … [Read more...]

New HYDRAMAX Under-Dash Hydraulic Clutch System for Chevrolet/GM C10 Trucks

Cookeville, TN¬†(November 12, 2021) -¬†American Powertrain now introduces to its growing line of HYDRAMAX true bolt-in, under-dash Hydraulic Clutch Systems, a kit designed for 1967-1972 Chevy C10 trucks. The new system features an integrated under-dash hydraulic master cylinder and a bolt-in clutch pedal. The included clutch pedal allows for an easy conversion to hydraulic, or an … [Read more...]

Installing American Powertrains New TKX Kit!

A wildly popular upgrade in any classic car is to either ditch the manual 4-speed or the automatic transmission and upgrade to a modern overdrive transmission. They shift smoother, drop the RPM's, improve MPG and drastically increases the smiles! After selling thousands of transmissions and becoming the largest TREMEC dealer out there, American Powertrain knows everything there … [Read more...]