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 ...

Engine gaskets may be small, but their role in sealing oil, coolant, and air systems is huge. Whether you’re replacing a valve cover, intake manifold, or oil pan gasket, success comes down to ...

In this episode of the Autoweek Garage presented by eBay Motors, Andrew Stoy and Graham Kozak add some pep to Graham’s 1988 Jeep Grand Wagoneer’s step. The original plan was to swap the aging, factory ...

When introduced for the '05 model year, the C6 received the evolutionary Gen IV LS2 powerplant, which carried ratings of 400 horsepower and 400 lb-ft of torque. While the new engine's cylinder heads ...

The intake manifold distributes air or air/fuel mixtures to the individual cylinders under varying engine speeds, loads, and environmental conditions. Whether the working flow is pure air, air/fuel, ...