Intakes are vital automobile components that work to bring oxygen – a key ingredient in an internal combustion reaction – into the engine’s combustion chamber to modulate how much oxygen mixes with ...

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 ...

A K&N cold-air intake can be worth adding to your vehicle, and it may provide moderate horsepower gains if you install it ...

In this month's Power Principles installment, we conclude our series on engine building basics. In the Feb. '12 issue of MM&F, we stressed the importance of developing a clear, underlying goal as far ...

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 ...

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 ...

One of the best aspects of a project build for automotive enthusiasts is the quest for improvements that will add to the vehicle in some way. There are several engine components to replace, add, or ...

Several aftermarket manufacturers sell engine intake air filters that they claim provide better airflow and increase a car’s horsepower and acceleration as a result. Some of these companies have many ...

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.