This is not a shootout. It's not called a shootout, it wasn't conducted like a shootout, and there is no winner. What we've done is put four Chevy multipoint injection (MPI) manifolds through a dyno ...

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 ...

When Ford introduced the factory fuelie engine in 1986, it ushered in a new era of performance. Much has changed since the injected 5.0L H.O. first hit the streets, but the popularity of the ...

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 ...

If you think about it, there are things about your car that just don’t make sense. You’ve been told that more air is a good thing for power, that a cold air intake, more scoops, more vents, etc, are a ...