Competition. When it comes to our cars, this word is usually associated with how they perform, either in a straight line or through the corners. This kind of competition is the foundation of hot ...

A few years ago while building our 1968 Plymouth Valiant project car, we decided to swap in a big-block Mopar engine based on a low-deck 383/400 B-series big-block wedge. The big-block Chrysler was ...

When utilizing long-tube headers, the oxygen sensor is moved farther away from the exhaust port of the cylinder head. This can cause driveability problems in some applications. If your sensors are ...

Horse Sense:At this point, we've proven many times that making changes on a basic level—across all late-model-Mustang platforms—definitely yields marked improvements in performance. Results of our ...