If you are serious about your all-motor power, then a custom header is going to be mandatory for your project vehicle. By this point your motor is built to the limit or near-limit. You have high ...

In the big business of blogging, Blogger (formerly known as Blogspot until acquired by Google) serves up over a quarter of the 164 million blogs on the Internet. To create a favorable impression of ...

Editor's note:This month's installment for Project Unfair (from Prodigy Customs and II Much Fabrication) deals with a familiar subject, but with an Unfair twist. We promised lots of tech and insight ...

The term "Anti-Reversionary" refers to the manner in which this design prevents spent gases from re-entering a cylinder head. The extended valve overlap of competition grinds (the period when both the ...

A tuned length primary exhaust header pipe creates a rarefaction (negative low-pressure wave) that's reflected back up the pipe. On a standard header the negative wave occurs at the primary tube's ...