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I would suspect the valve seals are bad. This allows oil to run down the valve stem and enter the combustion chamber when the engine sits overnight. Unless the smoking and oil consumption is excessive, I would not have this repaired as of yet. Although the head does not have to be removed to facilitate repair, it will require valve cover removal, and can be expensive due to the labor cost.

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โˆ™ 2005-10-10 12:48:55
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Q: You have blue smoke when if startup the tbird after its been sitting for a while what makes this happen?
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