Your timing belt makes sure the different parts of your engine move in sync, and if it starts to fail, you’ll want to replace it as soon as possible. But what will that cost? Will your warranty help?

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.

Replacing the timing chain tensioner in my Honda S2000. The type of chain, made by Borg Warner, is called a silent chain. It is extremely durable and very tough. Hardly do you ever see this timing ...