I learned this trick from the late Rod Sokolofski, who was the cylinder head specialist at Edelbrock many years ago. In pocket porting, the approach is to reduce the restrictive step present in ...

Curves of P 1, the pressure just upstream of the valve, are shown for each of the three pumps, along with the power required by each at a normal flow rate of 400 gpm. These curves slope downward in ...

Choked flow in control valves is a subject of serious concern for industrial users. The term is usually associated with destructive process conditions that can damage valve internals or expose ...