Sometimes theory is neat, but sometimes it fails to describe what actually takes place. The theory of internal combustion engines falls into this category, especially with respect to the function of ...

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, ...

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 ...

The intake manifold on your Toyota VVTi engine is represented by those plastic tubes that reunite at some point in a large tube right behind the radiator. Their function is to allow filtered air to ...

Optimisation of the intake system in internal combustion engines centres on enhancing the delivery of air (or air–fuel mixtures) to the combustion chamber in order to maximise power, reduce fuel ...

Rumors of its existence have been going around the Internet since the first prototype went out the door for testing. Over the course of the last three years or so, C&L proprietor Lee Bender has been ...

Inline-sixes tend to have problems tied to their size and length, higher camshaft flex and torsion, uneven air/fuel ...

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 ...

The SP502/605 crate engine will soon get a fuel-injected alternative with a sweet-looking intake manifold, where you will ...

Brett T. Evans has more than a decade of experience driving, writing about, and evaluating automobiles. His early career comprised writing about pre- and post-war classic cars, as well as late-model ...