The throttle body is a key component of a car's fuel/air delivery system, but carbon deposits and other debris can clog up ...

While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...

The intake manifold in a vehicle plays a critical role, distributing incoming air evenly to each cylinder of the engine. This ...

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 ...

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 ...

Given the over 50 years of development time, you might think that every possible variation of small-block Chevy intake manifold has been done. When Air Flow Research decided to introduce a line of ...

Horse Sense:The more we test the GT-40 intake manifold, the more impressed we are. It's well over 15 years old and it's still being compared to the most contemporary hot-rod intakes. Not many cams, ...