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Old 11-21-2018, 04:56 PM   #25
sheriffdan
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Join Date: Jun 2018
Location: Roseville
Posts: 6
M.O.C. #21907
I agree with Carl. Our 2017 Ford SD Laramie has digital gauges that fluctuate when towing and on grades, engine and trans. From experience with our MH which had digital gauges for the 450 Cummins and a GM Allison 6 speed. Temps are very similar on grades that we have been over many times. Also there is a trans rise in temp when using the exhaust brake on a down grade. I've seen 210 and on occasion 220 on the motorhome and Cummins said that was normal. Just FYI
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