I recently changed the spark plugs on a 460 motor(in a motor home) and the plugs were black and moist on the 5th and 7th plug. The motor overheats as soon as you try to drive over 55mph and the This is a "rebuilt" motor with less than ten thousand miles on it with a history of overheating problems. ALSO, Is it ever ok to use "mechanic in a bottle LIQUID GLASS" for sealing cracked heads?I need another opinion Thank-You.
have the same problem?
Monday, February 27th, 2012 AT 8:01 PM