The most popular transmission modifications for cars equipped with automatics are valve body reprogramming kits and torque converters. Valve body kits are generally called upon to increase shift ...

An automatic transmission is kinda like a parent of a three-year-old child; it does everything for the driver. Want to reverse? Just move the shift lever to R. Want to drive? Put the lever in D, and ...

Conventional TH350 and TH400 converters are interchangeable. Some TH350s built since 1979 have used lockup torque converters. Due to differences in the stator-shaft spline count, conventional TH350 ...

Torque converters appear to be a bunch of mysterious whirlwind motion inside a spinning shell that transmits an engine’s power to the transmission and rear wheels. Although they seem complex, torque ...

Just like the foot bone's connected to the leg bone, it's only natural to think that a car's engine is connected to its rear wheels. This seemingly reasonable assumption would be wrong—at least in ...

Viewer-submitted questions for The Car Doctor: Q: I have a 2017 Honda Ridgeline (66k miles) without four-wheel drive. I know there is an issue with the transmission that causes the truck to vibrate at ...

Once again, buying new isn’t the only option for EV adoption. You can always just convert an older car—even a coveted, high-dollar classic like an air-cooled Porsche 911. The icon now works with a ...