Originally Posted by cobalt327
Good spark rules out most ignition probs.
Check to see if the timing chain is shot
. Check the rotor position w/#1 at TDC. Should be just before #1 or #6 distributor cap terminal. If it's not the timing chain has slipped or is very worn (and a car will run like that sometimes- but not well. And restarting it could be very hard).
Could be the rings are still stuck and it has very little compression. A compression test would tell that tale.
Don't rule distributor installed a tooth out.....