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 ...

Gear ratios are crucial for optimising the functionality and performance of machinery. Whether in manufacturing or heavy industries, they are key to ensuring equipment operates efficiently. Patrick ...

One of the most popular drivetrain mods done to early Mustangs is to swap out the non-overdriven three- and four-speed transmissions with the later-model overdrive T-5 five-speed. Not only does the ...

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 ...

Differences in the track, tire sizes, class rules, and other factors can cause you to rethink your selection of gears, possibly from week to week and even from the beginning to the end of an event (in ...

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 ...

You've added the lift and big tires, but you're being outrun on the freeway by aged Yugos, and your 4WD sucks gas faster than an earthmover. Part of your woes may simply be due to the gearing in your ...

Default, conservative gear ratios. Note the smooth curve of the line connecting the ratio graph bars. Gearing ratios determine how many turns of the driveshaft result in a single turn of the wheels ...