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 ...

When it comes to car mods, exhaust headers are a common place to start. But what exactly makes them different from stock manifolds? Here's what to know.

When we recently had the opportunity to purchase the well-known Car Craft project Duster from former CC editor David Freiburger (now editor of Hot Rod) we jumped at the chance. Problem was, the entire ...

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 ...