Also check the cylinder head gasket if it's failing water is getting.g into the oil chambers and being burnt integer vine causing excessive white smoke to be generated your need the head comparison tested to see if there's a lostof pressure from I side
the engine if there is a comparison loss your need to get the head gasket replaced ed and the head to be skimmed a lengthy and costly process

White smoke fuel blue black white smoke oil over fill oil will cause it getting to much fuel will cause it check carberator check oil