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305 overheating problems

  1. Engine
    I Have a TPI 305 in my jeep and I'm having a serious overheating problem. The problem starts after the jeep has been running at highway speeds for about 15 -20 min. Temp gets up to 245 - 250 This is what I have done so far, 2 different thermostats Down to a 180 now. New Radiator (3 Core) and...