Whether or not you pull the engine apart is obviously your decision; however, it will be a waste of time if the cylinders and valves are good which could be determined by a leak down test. In addition to the extra work, wait until you see the price of machine work and internal engine parts. I hope this does not happen to you but I've seen this stall projects into eternity.

Good luck!!!

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"Rudeness is a weak man's imitation of strength" - Eric Hoffer