It is appropriate that the intake manifold is mounted on top of the engine. After valve events have been selected, the intake is the primary tuning device for a four-stroke spark ignition engine, just ...

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 ...

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 ...

One of the charms of our favored V-8 engine layout is a cylinder head topping the cylinder bores at each bank, processing the fuel/air mixture, and releasing spent gases in an efficient manner. As a ...

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 ...

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 ...