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I Have A Question, I Know The 6.0;s Run Hot But Pulling The Grapevine Today With A 4 Horse Trailer With Only One One Horse My Fan Came On At 220 Deg And I Hit 230 Going Up The Hill It Was 95 Deg Outside Is This Normal ? What Should The 60 Water Temp Run At ? I Have A 2006 F-350 4x4 4 Door Long Bed With Duals And A Sct Innovative Tow Tune
Very normal in this heat. If the temp goes up any higher than 230 I would back off on the speed/power to bring temp down. Outside temps affect diesels quite a bit.
Unloaded, in the summer, at highway speeds, my truck will run at about 188 to 190. In the winter she runs at about 184 to 186. The highest my scangauge has ever recorded is 191. All my truck tows is my fat ****, so i can't help you with the other numbers.
As a side note, it seems that my thermostat opens at 190. Do the 6.0's have 190 thermostats or is my scangauge off?
Edit: I just did a quick search and the Ford thermostat spec is 0.004" of lift at 192 and wide open 0.314" of lift at 219.