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 ...

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 ...

We're always talking about next-level performance for late-model Mustangs. Handling and engine-performance are the main points of focus, and typically, our mantra is the more, the better. This never- ...

Sponsored Content. We may receive a commission on purchases made from links. The 6.7-liter Cummins turbodiesel inline-6 is one of the most widely used diesel engines out there. It has been fitted to ...

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.

A cold air intake can bring real benefits to your V8 engine's performance and power, delivering greater airflow and bolstered ...

For more than four decades, Lingenfelter Performance Engineering has been churning out a slew of wild high-performance products, from engine upgrades, to parts, to crate engines. Now, the tuner is ...

TwinPower unveiled its new performance-driven components for Harley-Davidsons, including steering-damper kits and high-flow ...

The intake manifold on your Toyota VVTi engine is represented by those plastic tubes that reunite at some point in a large tube right behind the radiator. Their function is to allow filtered air to ...