[AT] stuck good on a WD 45 engine question--FOLLOWUP

[John Kennedy]

If its smoking real bad its one of two things. Bad or broken oil rings/ring 
or really loose valve guides.

Changing the head only proved that its not the valve guides or both heads 
had bad valve guides.
I would do a compression test mark down the results then add oil to the 
cylinders and test again mark down results. If the same then valve gudies 
would be suspected. But hold on if the compression rings are good and the 
oil ring is broken or worn or stuck in the piston then the only way would be 
to remove the suspect piston and look at it.
Look at the spark plugs if one is darker than the others then this may be 
the culprit. Go online and lookup spark plug to find a site that shows the 
proper look for a good running engine.

John K.

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