For years, beltdriven timing drives have been the accepted standard in NASCAR Nextel Cup racing. The same holds true in the Busch Series and Truck Series as well as other top touring racing series.

What causes engine vibration, and are any of these issues something you can handle on your own? Let's take a look at nine ...

This is a typical small-block Chevy serpentine-belt drive on the front of a 350. This particular application is a little more complicated because of the Paxton installation, but you can see the belt ...

NASHVILLE. Switching from belt- or gear-driven engine accessories to variably driven ones has the potential to reduce heavy-truck fuel consumption by 3% to 5%, according to the latest Confidence ...