AtVettewe love bolt-on performance parts. Maybe it’s the nearly instant gratification they provide or it could be that they are easy enough for a caveman, or editor, to install. In any event, they are ...

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 ...

1. When shopping for a set of headers, consult the owners of similar header-equipped cars. They can usually tell you if any fitment problems exist with their particular header brand. 2. While at the ...

Conventional wisdom has it that long-tube headers offer more performance than short-tube headers, albeit at more expense and installation effort. We decided to test that conventional wisdom and share ...