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 ...

Your car’s intake system is its lifeline for clean, measured airflow — and even small leaks, cracks, or clogs can sap performance and fuel efficiency. From vacuum leaks to clogged filters, these ...

Diesel engines require on heated and compressed air to run efficiently. Glow plugs and intake heaters help make that happen, but how do they work?

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...

A stock LS3 rec-port intake manifold is hard to beat and only costs $299. When Chevy went back to the drawing board after the success of the cathedral-port Gen III LS1 small-block V-8, it realized ...

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 ...

Cooling an engine's intake charge is an easy way to make power -- the colder the air, the denser the charge and the more oxygen your engine can mix with fuel to turn into power. This is so important ...

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 ...