Oil Pump & Camshaft Gear Oiling Modification

...Why is the 6 bolt HV oil pump the only candidate".."Does it only have the necessary pressure area to drive this?
View attachment 1715768518
Ah, I see the pressure galley going through that '6 bolt only' cavity now....j̶u̶s̶t̶ ̶d̶r̶i̶l̶l̶ ̶a̶ ̶s̶m̶a̶l̶l̶ ̶p̶o̶r̶t̶ ̶i̶n̶ ̶t̶h̶a̶t̶ ̶t̶o̶ ̶p̶r̶e̶s̶s̶u̶r̶i̶z̶e̶ ̶t̶h̶a̶t̶ ̶a̶r̶e̶a̶ and that will direct the oil into your bolt squirter...the latter pump bodies dont have this cavity. 6bolt.pngUntitled.png