Sounds likes you have compression in the cylinders escaping somehow (faulty piston rings, scratches in the cylinder wall, ect.) Into the crank case, in turn pushing oil through the filler. Have compression tested at all cylinders to ensure proper compression.
The smoke was just the oil burning off of the headers and such after it had been pushed out.
Hope this helps.
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Friday, January 9th, 2009 AT 8:50 PM