Hey Justin---there is a 1/8 NPT plug on the pump. In your case, before you rotate the pump, put this plug "up" remove it and prime the pump with alittle fuel. Once the pump has primed, you can remount it in the saddles.
Tom Swearengen, TS Flightlines LLC, AS Flightlines
Joint Venture with Aircraft Specialty
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7 Tail Kit Completed, Fuse started-Pay as I go Plan