I have always run an HV pump on everything, SB and BB, all with stock pans. Even ran one on a 360 that turned 7500rpm with a stock pan, and ran 10.60s. Never a problem with sucking the pan dry

1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser

1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)