My grandfather overfilled the engine oil in his car once. He thought you should be able to see it filled to the top of the valve cover,he was going senile. long story short he started the engine and cracked a piston ring, but the car would only intermitantly smoke not constant. A compression...
Soon as saw the egr blocker post i new randy would chime in.One of the best mods yet . Lower egts less smoke and better spooling.You cant go wrong for the 10 mins it takes to put it in. Was one of the luckey ones not having thrown a code.