If you already have or are planning to install an overdrive transmission, there are a few things you should know. For instance, while better gas mileage is a fine idea, it's possible to slow the ...

Unless you’re a Beach Boy, there’s nothing good about picking up vibrations. In the search for a smoother and quieter ride, industry trends such as engine downspeeding have had an effect on vehicle ...

It's a common affliction. Around town, your car runs fine and can fry the tires at will, but at highway cruising speeds above 65 mph, you feel a slight vibration in the seat of your pants and through ...

Noise, Vibration & Harshness is not the name of a truck-chasing law firm. NVH is something manufacturers try very hard to engineer out of their products, but it’s often like a game of whack-a-mole.

Q: I just had the driveshaft replaced in my truck and now my shop told me it needs to be balanced. There is a slight vibration that increases with speed. The vibration is worst between 40 and 60 mph, ...

You’re (possibly) looking for a driveline problem here. It’s probably not the engine itself as the vibration occurs when you’re slowing down (and the engine is no longer under load) but beyond that, ...