Cummins new replacement oil pumps.

[Mattman]

I have read where the new style oil pump is said to deliver more volume but at a lower pressure. Is that even possible?

The oil pressure is the measure of resistance for the flow of oil thru the engine.

So the resistance to flow is not going to change. The only change is the oil pumps.

How can you move more volume of oil thru the same restrictions but at a lower pressure?? I can't get that idea thru my head. In my way of thinking the pressure should increase because you have more flow with the new style pump trying to get thru the same restrictions as before.

Example. We unload tank trailers with air pressure. 20psi of air trailer is empty in one hour. 30psi of air trailer is empty in 45 minutes. The higher the pressure the more volume there is.

Tell me what I am missing??