1986 with over 140,000 miles and a 3,400 mile trip planned this year. Something's we have discovered on the E350 chassis:
1. Had a air dam fabricated for under and just behind front bumper reduced the heat from the engine in the passenger area and on the dog house tremendously.
2. Had intermittent overheating issues ,the gauge would just pop to very top of normal, thoughts were sticking thermostat or fan clutch not functioning properly. Turned out it was not overheating, used infrared thermometer on upper radiator hose to verify temperature, but was resistor in the dash that was going out.
3 Tires might be rated to 80 PSI max but our rims rated for only 65 PSI max
