no oil pressure

so we changer the lifters and valve guide seals because it was smoking pretty good and the lifters wouldnt pump up. new head gasket when we put the head back on. now we got oil pressure when we first started it up but one trip around the block and it dropped. when it starts cold it will come up...

Hello my fellow mustang owners, I am new to this forum and are the proud owner of a 1996 mustang gt. I should have pictures up soon but to get to the real problem. I recently installed a oil pump, and when i go to crank the car it will just crank, have the low oil light on. Now i knew that i...