There are instances where OEM design is so good that it lends itself to a broad range of applications within the high-performance aftermarket. Some good examples are the Mustang II frontend, Corvair ...

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.

Ignition timing is like seasoning: some is good, but too much ruins the results. Bumping up the ignition timing on pushrod 5.0s is a time-honored trick to wake up the under-hood lump. The EFI system ...

Q:I have a 1992 Chevy 1500 two-wheel-drive pickup with the 5.7L V-8 and an automatic. It idles rough, gets poor gas mileage, and pings. I have to use at least 93 octane to stop the ping. It's not the ...