Engine Oil Pump Clearance

Well, I tried to install my HV oil pump from Indy and the pump hits the bolt on the #5. Called Indy(Where I've purchased about $4,000.00 worth of merchandise) and they condescendinly said that I need to be more engenuitive when building a stroker. They said to grind the clearance on the pump so it will clear the bolt on the #5. I asked them if this would reduce the integrity of the pump and he said I need to use common sense when doing so. They act like it's a pain the a$$ to have to answer any questions. I'll be going to Hughes from now on.