low oil pressure

so I did lifters on my 93 ranger 4.0 and I have zero oil pressure, I’m supposed to leave camping in a week and I only have a small budget and no ability to pull the engine, I’ve tried cranking with some diesel oil to see if it’ll loosen any blockages,

1989 ford ranger, 2.9v6 manual STX I could really use some help locating where this Galley plug is supposed to go there is 3 in total, two are already installed on the back of the block just next to the freeze plug. (if you look to the front of the block, left, you see a galley plug is...

I have a problem with the old 2.9l v6 i just rebuilt for my 1989 ford ranger. after rebuild the oil pressure shoots down pretty much the same time the coolant temp starts to rise. i also noticed a slight smell of gas coming from the coolant? so far no leaks, no mix in coolant/oil. runs great...