At Circle Track, we're all about doing it yourself when it comes to working on your race car. You can save a buck, it's fun, and hopefully, when done right, doing your own work and knowing its done ...

You won't find anything like it on a street car, but the qualities that make a Bert transmission unique also make it nearly perfect for dirt racing. Simplicity is the name of the game here. Bert ...

Arguably the single most important component in any car is its engine. The engine is what makes something an "automobile," after all -- that is, able to move itself. However, engines are also usually ...

Scott Duggins started building car engines in 1984 alongside his father. They worked together offering a mix of engine rebuilds and overhauls for their customers' daily drivers as well as supplying ...

Forbes contributors publish independent expert analyses and insights. I have been chasing race cars since the first Michigan 500 in 1981. This article is more than 3 years old. AJ Foyt (center) ...

Proline Racing (PLR), not to be confused with Pro-Line Racing (an RC car parts supplier), builds some of the most renowned drag racing powerplants on the market today. If you watch something like Pro ...