I assume that the smoke is via the exhaust system. Correct? If so, there is a hundred things that may have happened:
Damage to the cylinder walls
Damage to the piston rings
damage to valve stem or guides
and the list goes on. If there is no knocking or ticking from the engine, the smoke may be all that happens. Since there are so many miles on the engine already, just make sure to keep the engine oil clean and full and run it. If damage was done, that can't be changed.
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Tuesday, October 14th, 2014 AT 4:41 PM