302 Timing
#3
hmmmm, how capable of a mechanic are you? Chris 1 is correct, you will need to pull the disi. If its the timing chain, that may be the reason they sold it. I.E. motor is TOAST! Your state laws may protect you. I.E. non-disclosure of information (the blown motor). By the way, I am no lawyer.
Was it running when you bought it? Was it trade? Or?
Was it running when you bought it? Was it trade? Or?