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 ...

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 ...

Mike Lamz purchased a '70 Chevy Monte Carlo four years ago. Initially equipped with a 350 small-block, an auto trans, and a 10-bolt open rearend, he swapped in a 425 hp, 454-HO big-block crate motor, ...

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 ...

QUESTION: I was just informed the coolant leak in my GMC Yukon is due to a leaking intake manifold gasket. Apparently this is a common problem. I was shocked at the price quoted for the repair and am ...

Bolting on an aftermarket intake manifold has long been the introduction to hands-on hot rodding. Improved looks, performance, and, often, fuel economy can be just an intake swap away. Not to mention ...

Modifying your intake can fundamentally change how your engine breathes. Discover exactly how porting affects performance and if it's worth the effort.