OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but sometimes it ...

Intake manifolds may not be the most well-known automotive components, but that doesn't take away from their importance. These devices are responsible for sending a precise mixture of fuel and air to ...

The Omni-Power Pro-4 sport injection "was designed for the serious enthusiast and professional racer to maximize their engine's horsepower, torque, and throttle response," says Steve Rothenbuehler, ...

VW and its partners on the air intake manifold project, which was first discussed in 2009 at a conference in Germany (see our initial report here) and now has placed PP manifolds on a wide variety of ...