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  1. David&Rhona

    calibration resistor

    Found the solution to keeping the calibration resistor cool while towing our truck climbing steep hills. It was so easy just lower the speed to 50 mph. It tows and runs beautifully now. Plus, I really like this speed. It is so relaxing and I can really look at the beautiful Ohio landscape...
  2. David&Rhona

    Question 6.5TD

    Anybody with a 6.5TD chevy engine? We are wondering what # resister you use in your PMD. We had the #9 and it only lasted a year. Heath Diesel recommends a #7 and this lasted almost 3 years. This time we put in a #5 which is the stock size, but it is starting to act up from the heat. We...