Thanks for the info on the additive, I'll pick some up next time I'm out. A little back story, I forgot to mention but remembered after reading Fredo's old thread. About 6 months ago my oil pressure started dropping off to 0 then bouncing back as I drive or keep the rpm up. Not sure if that helps diagnose the issue or not, I considered replacing the oil pump but never got around to it. Newb question here, when you say "LS swap" are you referring to the 5.3 and 'LS' is just a style? I'll start checking the salvage yards around to see if I can find one for decent price. It's my first rig, so it's hard to decide whether to keep putting money in just to fix it, or while I'm fixing it and spending the money (money is tight) I might as well upgrade. If I'm not upgrading it almost makes more sense to sell the thing since it's bound to break again. If I can find a solid 5.3 and can convince my dad, I agree that's the way to go (looking at the big picture). I appreciate all of the help guys.