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.

The Chrysler Corporation manufactured the last of its big block engines, the B-coded 400-cubic-inch V8, in the summer of 1978. The 400's disappearance ended a long run of Chrysler B-code engines that ...