Mopar muscle car owners have been dealing with the same dilemma for decades: solving the gear ratio paradox. If you actually drive your Mopar muscle you know exactly what we are referring to. Let's ...

The new GM 10-speed automatic transmission is now either standard or an option on GM’s full-size SUVs. In these applications, the new 10-speed is known as the Hydra-Matic 10L80 and is assigned GM RPO ...

Chevrolet's Powerglide transmission hasn't been made in over half a century, but drag racers still love and use it. Here's ...

Most off-road vehicles have crawl ratios—extra gearing to increase forward thrust—between 30 and about 100. But the Mercedes Unimog, with its "Super Crawler" gear, has an absurd crawl ratio over 3000.

"Give me a lever long enough and a fulcrum on which to place it, and I shall move the world." — Archimedes (287- 212 B.C.) On the street, everything is a compromise. Power is now easier to make than ...

The off-road world thrives on rugged capability and raw power, and for years, side-by-side vehicles have relied on the trusty continuously variable transmission (CVT) to tackle everything from muddy ...

The GM Hydra-Matic 9T65 9-speed automatic transmission is a variant of GM’s 9TXX 9-speed automatic transmission family. It was officially announced in conjunction with the 2018 Chevy Traverse and the ...

The transmission for most vehicles can be configured according to the scheme presented here. Such a transmission may be ...

Building your 4x4 can be one of the most enjoyable and rewarding adventures that you will ever take. While we understand that not everyone is a master fabricator, simply getting to know the basics of ...

There are gears for going fast and gears for going slow. Would you like to do both? A lot of us do. We'd like to be able to go from doing 70-mph down the highway to crawling a 1/2-mile of trail in an ...