The inline-4 engine has become a standard powertrain across most automakers' vehicle lineups, due mostly to its small size and efficiency. But, have you ever wondered how inline-4 engine actually ...

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...

The time has come to buy a new intake manifold for your hot rod. There are plenty of choices on the market: single-plane, dual-plane, dual four-barrel, three two-barrel, tunnel-ram, and so on. You've ...