Quote Originally Posted by pat mccarthy View Post
why go thru all this ? melling makes a m155 3/4 inlet and a m155hv 3/4 inlet its a sbc pump i use the 3/4 inlet on some builds that 3/4 pickup pump has been on most mid 90s sbc
That pump will not give me 40 psi at idle. This is were I need the extra oil pressure and flow so I don't wipe out my flat tappet solid lifter cam while its trying to push the double valve springs.