If you are doing a classic car restoration and not sure whether to go with a single- or dual-plane intake manifold, be sure ...

OK, all together now, everyone take a deep breath. Didn't that feel good? The same idea applies to your engine. The more air it can ingest, the more power it can make. A high performance intake ...

Since the days of relieving flathead Fords, we've known about the advantage of porting. Grind those critical passages with the right touch, and airflow through the engine improves-and with more air ...

An intake manifold upgrade can improve airflow and support more efficient engine performance when paired with a well-planned ...

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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.

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 ...

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 ...

Gasoline engines burn a mixture of fuel and air. In order to create horsepower, your engine must maintain a good quantity and velocity of air/fuel charge into the combustion chamber. Think of the ...

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 ...

VW and its partners on the air intake manifold project, which was first discussed in 2009 at a conference in Germany (see our initial report here) and now has placed PP manifolds on a wide variety of ...

If you’d not been paying attention in high school and reading Hot Rod magazine, you’d know that low-end power is boosted by longer intake and exhaust tracts, and high-rpm power generally increases ...