Crud & grit in the oil pan can cause this. When it sets the foriegn material falls into the pan. After you run awhile it is picked up by the pump & clogs the screen. You should pull the pan & clean it out & clean the screen.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne Super In the Gallery Forum