We recently spent a couple of days dyno-testing several different rocker-arm ratios on our 470-inch Mopar big-block. The good news was the engine made 700 hp on pump gas, but we were disappointed when ...

A performance intake manifold ranks as the leading bolt-on upgrade in a performance-minded build. Good examples can work wonders, while the wrong choice can spell doom to the combination. The ...

Are individual runner induction systems all they’re cracked up to be? We test a Hilborn EFI system against dual carbs to find out. As an unsophisticated gender that's easy to please, males dig things ...

Hot rodders are an odd bunch, at once enthralled by the latest highfalutin technological advance, yet also bonded by years of tradition with the old-school "the way we used to do it." One example of ...