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Old 10-07-2013, 08:20 PM
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Gantman Gantman is offline
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Join Date: Mar 2012
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I don't know if you utilized your Tow/Haul mode switch but judging by your speed and rpm's, I'd definitely say you were in 4th gear. What kind of incline or head wind were you facing? Did you ever consider on manually selecting 5th gear to show in your EVIC screen while towing? And I hate to say this to you but with your many years of towing, any speed above 60-65mph will diminish fuel economy by as much as 10% or more while towing. Which reminds me, remember the days where posted max speed limit while towing trailer was 55mph? The optimum rpm's should stay between 1800-2300rpms, give or take, to maximize towing efficiency and fuel economy. I think the speed of 75mph and your rpm's of 3000 were to blame on getting only 8-9mpg. I tow a 3000lb boat with 3.55's at 70mph @ 2000rpms and average 13's. But when I had my 2006 Titan 4x4 with 6" lift and 35" Nitto Muds, I only averaged 8mpg towing 6000lbs at 65mph.
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Last edited by Gantman; 10-07-2013 at 08:42 PM.
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