stock or hv oil pump

All I’m going to say is a lot of guys run high volume pumps that shouldn’t be running them.
This
Has been written and discussed over and over.

A stock pump with a larger oil pickup will out flow a hv pump with the stock pickup.

Get a milodon or moroso pickup with the bigger inside diameter.
and this.
You are far better off with a high pressure spring in a stock pump.