True V-8 engine performance comes from ensuring airflow flow in, out, and through the combustion chamber is the best it can ...

According to Air Flow Research, bronze guides have a longer life expectancy than OEM guides, and will work better in low-lubrication, high-rpm situations. Minimum clearance between the valve stem and ...

Ever wonder about the science of cylinder head, engine block and intake manifold design and manufacturing; then check out this article as we ask Jeff Brotherton of Brodix his insight in this area ...

While cylinder head porters and engine builders go through the process of hand-porting a head, it is common that the head is constantly tested for airflow improvements on a flow bench.

These engines tend to have two camshafts in the cylinder head, one which operates the intake valves and the other operates the exhaust valves. This type of valve train is called "twin cam," or ...

Ranging in all sorts of different cylinder counts, block configurations, displacements, bores and strokes, all in the quest ...

Chrysler Group dealers are replacing malfunctioning cylinder heads on a small percentage of 3.6-liter Pentastar V6 engines. And a recent shortage of replacement heads means some customers have ...

Head studs, on the other hand, allow us to hold the engine together with more force. Head studs are stronger than head bolts and can withstand up to around 240,000 psi.