Compression Ignition Addict
Join Date: Aug 2007
Location: New Brunswick, Canada
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Coolant flush and see my signiture. Been using programmer and Scangauge for 4 years and so far the results have been outstanding.
My programer is great for MPG at higher speeds then when it was stock.
While stock it was a dog at 60MPH and higher and now it's great at any speed if set on level 3. The towing has been great at all levels. I also found that while programed the lower the Boost the better the MPG. When towing my 15K trailer on level roads, torque at 45/54 % and boost kept at 10PSI or less, I averaged 16MPG. And that was in Maine turnpike and again in GA and FL.
But I would not use level 3 now that you have the exhaust done because you might take a chance on hurting your truck. My truck is now all stock and the programer is set for a stock truck.
Scangauge II Rocks, would not tow without it
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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.