Oil pump hell.

Sorry to hijack but Im sure I've read a HV pump can suck a standard sized pam dry?
The symptom is there, but the cause is not the pump, the pump pumps exactly what the engine demands to maintain oil pressure set by the relief. The engine demand
doesn't change because You bolted a HV pump to it. BUT, if the pump has too much excess capacity, it will bypass a lot more oil thru & back to the sump. This can result
in too much aeration and contribute to increased oil wrapped up in windage around the crank. Poor drain-back can plague other brands as oil gets trapped in the heads and
valley, but that is not one of Mopars weaknesses.