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 ...

In our last installment, we visited RaceKrafters Automotive Machine in Lancaster, PA to test the Edelbrock RPM Air-Gap LT1 Intake Manifold on a nearly stock 355cid LT1. Using a much smaller plenum ...

Horse Sense:Trick Flow is lauded by 'Stang aficionados for revolutionizing the Twisted Wedge small-block Ford cylinder head and maker of proven heads/cam/EFI intake packages for the pushrod crowd ...

For most gearheads, there's nothing quite thrilling like the roar of a tuned engine and the instant kick of improved acceleration. Of course, buying a muscle car to enjoy lots of raw power and torque ...