I got a 97 K2500 extended cab long bed, F engine, Z71 with 227,000 miles from a neighbor at the beginning of the year. It had a bad PMD and I searched around and got a heat sync with a number 9 resistor from accuratediesel.com. A while later I found...
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From: Luke

About 2 months ago I found SS Diesel Supply. I was hauling a three horse trailer, empty and the truck would over heat on the slightest incline. After emailing Walt, I installed the HO water pump, Duramax Fan upgrade, and the 180 degree t-stats, I also...
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From: Josh C.