Jeff Smith has been writing about and working on hot rods just about forever. His squadron of first-generation Chevrolet A-bodies is a legend among fellow automotive journalists. But even legends have ...

Engineering is a game tolerance. Not the kind where you have to put up with your kid brother nagging you in the back seat on a road trip, this is math stuff. Everything that is built has a tolerance ...

Jeep used the AX15 or NV3550 transmission in literally hundreds of thousands of Jeeps from the late 1980s to the early 2000s. And that's not even including Dodge light-duty pickups that used them in ...

Over the years there have been a number of landmark production engines that have found favor with hot rodders—the Flathead Ford, Chrysler Hemi, and the small-block Chevy just to name a few. But there ...

Bruce Couture of Modern Driveline (MDL) is quite familiar with five- and six-speed swaps for vintage Vettes because he’s been in this specialized industry longer than anyone. Modern Driveline was ...