Originally Posted by polyspheric
I remember reading a comment that in a dead-end system (line enters cover at one end) most of the oil will go to the closest valve, and that to balance out the delivery the closest holes should be smallest, but how much?


My Indy valve covers were fitted with spray bars for the Jesel rockers. Oil lines were fed into the center of the valve cover. Helps eliminate end to end pressure drop and bleed off.