Compression Ignition Addict
Join Date: Aug 2007
Location: New Brunswick, Canada
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I tow all the time with my programer at 114HP setting and observe the same results you have shown. Its up to me to take care of the truck so I am able to tow with lower Boost and same a lot of fuel while towing that way. I can cruise all day at around 10 PSI Boost at 60MPH and 16MPG while towing the 15500Lbs RV that has 12' 8" front height, and 7000 Lbs Axles.
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2005, 6.0L, 6 Spd Std, 3.73 Rear End, F250SD, Extended Cab, 4 x 4 Long Bed. 2008 extension mirrors. GPS/TV/DVD/CD/Rear Cam/Radio installed, Max Energy programer by Hypertech, and Fuel Pressure Gauge. ScanGaugeII for 60 plus XGauges, and MPG. ELC Cat EC-1 Coolant, Pull a 39ft 15500Lbs 5th Wheel Camper Trailer. Mileage Avg is 20MPG, and pulling 12.6MPG.