Porting an intake manifold essentially helps increase airflow into the engine. Improved airflow equates to more horsepower and helps the engine feel more responsive at the throttle. A standard intake ...

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 ...

In a naturally aspirated engine, as air comes in through the intake and passes through the throttle body, you've traditionally had two setups for what happens next. Using longer, narrower intake ...

A performance intake manifold ranks as the leading bolt-on upgrade in a performance-minded build. Good examples can work wonders, while the wrong choice can spell doom to the combination. The ...

Whether it's a puddle under your car or a grimy mess inside your engine bay, finding engine oil where it's not supposed to be is never an enjoyable experience. Normally, oil remains contained within ...

Your intake manifold. It takes in air and sends it to your engine's combustion chamber. This is basically the start of the combustion process. After all, you can't have combustion without air.

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 ...

Port fuel injection has some big advantages, but automakers increasingly are using gasoline direct injection instead. The ...

Popping the hood of a new Mercedes-Benz 300SL Gullwing must have been quite an experience for most enthusiasts in the Fifties. For starters, the 3.0-liter straight-six sat canted at a fifty degree ...

With intake manifolds made of polypropylene (PP), Röchling Automotive (Mannheim, Germany) says it has set new benchmarks in terms of cost, weight, and acoustics. These three criteria have been ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. The process of walnut blasting, ...