After swapping out the blown L67 with a junkyard L67 that had 89k on the clock there was a distinctive tapping noise coming from what I thought to be the crank pulley or something very close. I wanted to go have a mechanic listen to it before I pulled it and send it back to the junkyard but It died on me half way there and wouldn't start back up. It still cranks, no holes or oil leaking from the block. Im almost positive it never lost oil pressure (going by the dummy light) now what? Im loosing my patience and motivation to keep fixing this car. What do you guys think? Crank sensor? Harmonic balancer? main bearing?
