geez u aint given many clues , make model petrol diesel turbo modified fully serviced? some basics is there any coolent ? is the coolent bein pumped is the rad scaled up ? is the rad core dirty is the stat jamed is the exhaust blocked is the timing and mixture setting good , brakes binding , towing a heavy load, cooling fan running anythin bloking the air intake at front of vehicle , enouth oil in engin, is the gauge corect may not evan be overheatin at all. is the engin air cooled-diferent animal compleatly . just some pointers g.l. lee
lee
April 2007