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.

There is a long list of advantages when it comes to converting your small-block or big-block Chevy to a roller camshaft. Decades ago, only serious racers had roller camshafts, but now it's a ...

One Thing we've discovered about the OHC modular motors is that they are highly sensitive to cam timing. Unfortunately, the production tolerances are such that the cam timing can be off significantly ...