Originally Posted by Broncoholic
Never use 5w30 in a tired engine.
Put in a new Wix filter. Change your oil to 20w50 Valvoline. Put in 2 cans of Restore for V8 engines. Take it out for a 1hr drive. Be sure to put 1/2 quart less 20w50 when you change it.
Park it next day you should have 30+ pressure. I had a 69 302 with Zero pressure, have a fresh 302 on the stand for it. Still driving it everyday, & I run the piss out of it.
I took the motor out of the truck and tore it down since it was knocking, and found out the oil pump seized up, and it spun all the bearings. Gonna be a $500 rebuild. That's just what I need.