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 ...

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 ...

A few companies have recently ventured into the Coyote intake manifold market and when we saw Holley’s fabricated version, we had to test it. “The Coyote is obviously an innovative, new engine capable ...

In the first installment we dealt with the essentials of spec intake manifolds. The story was intended to establish a level of understanding that would enable more specific information to be helpful, ...

Our 1999 GT project has a ProCharger shoving more air into it than it could ever ingest on its own, but that doesn't mean there isn't more room to make our engine a better air pump. All that ...

Cummins engines used in Ram Heavy-duty trucks are famous for making insane performance gains with simple upgrades. Road-going truck owners just need to toe the line and keep their modified diesels ...

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 ...

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.

Designed and constructed by SEM from A365-T6 aluminum and heat-treated Plenum features 2.75L of internal volume for increased flow capacity to supply enough volume for higher rev limits Shallow ...

Porsche often does things backwards—just look at the 911, keeper of the rear-engine flame. But that philosophy extends to smaller things, too, as Jason Fenske of the YouTube channel Engineering ...