Thanks rob and pete.......catastrophy today. On the freeway today for about 45min 70mph a piece fan broke off and punched right thru radiator and i never even noticed(on the phone with work shit)til the motor shut down! shit 250,000mi and ive never shut it down with an overheat. so thru another triple cor rad. in tonight, replaced all the oils,sparkplugs etc. NOw I have strange vibration like the new fan not balanced correct is there a special procedure? and i may have cooked the valves tappets extemely loud . So I guess ill adjust the valves tommorrow....any other suggestionS......Take it easy......D.