I use the old style Milodon 21815 pump w/ a stock cast iron oil pump cover b/c I hated the remote filter setup and didn't want the leak prone old style Milodon cover. I've never had an issue w/ losing prime.

Seems like this is more of an issue w/ the newer black Milodon billet pumps?


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax