I was driving home along the motorway today, and suddenly realised that i had a loss of power also loads of pure white smoke coming out the back.I slowed down and pulled over, right she wasn't firing on all 6,when i gave it some gas she smoked LOTS! There is no evidence of any contaminants in either the water or oil,she hasn't used any oil or water but she did get up to 114 oil temp! Anyway i crawled home about 60 and she didin't drop below 104 in oil temp. I have taken all the plugs out and they seem to be coked up except no1 cylinder where the plug was melted and the tip soaked! I tryed ano