Autopsy Completed: Results #2

John I merged them together for you.

Now lest get thyis motor together for good.

Its sounds like its time for some good machine work. Line bore and hone the main, Add a timing chain tensioner to take out the slack in the chain that it will cause, Check the deck and make sure its flat, and hone the bores. CLEAN, CLEAN, CLEAN ! Did you pick a new cam yet ?