How do you take something that’s already good and make it even better? Just ask aftermarket tuning manufacturer Greddy and their newest intake manifold designed for the Nissan R35 GT-R. The R35 RX ...

Internal combustion engines are fairly simply machines. When you break it down, they are nothing more than air pumps. When it comes to making horsepower and torque, the simple fact is the more air you ...

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 ...

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Callaway's formula for making the C7 Corvette even more potent should be familiar to anyone who's followed the cars coming out of this tuner. For the Corvette, Callaway has added a 2.3-liter ...

Form and Function - A Look at Intake Manifold Design: Intake manifolds play a huge part of power production, here’s some of the hows and whys Internal combustion engines are fairly simply machines.