Compression Ignition Addict
Join Date: Jul 2011
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Good Fuel Mileage
Best mileage I've had since owning this truck is 17.6 mpg. That's driving 75% highway mostly around 70mph. The cool dense air (50-70*)of the "winter" makes a huge difference. Ford cetane booster also improves mileage.
Got 17.5 mpg on the next tank. Every week I drive pretty much the same. Haul 3 loads make the front end a little light and trailer a bay boat. This tank I got stuck in traffic a bit more. Also I SELDOMLY go beyond half throttle. Most of the time I'm in 1/4 throttle or even less. Drive with my big toe haha.
The most recent tank I was stuck in traffic even more and towed the boat a bit further. 16.5 mpg isn't bad at all. I think 400 miles is the farthest I've ever gone in a tank.
Some observations... the lower the biodiesel content the better the fuel economy. Also Power Service Cetane booster/cleaner sucks! Ran a gallon jug from I think from Dec- Feb and my mileage dropped. I have receipts to prove it. IMO same as going without fuel additive.
Hope this helps in some way. Happy motoring.
08 F250 KR CCSB Job 3 4x4 3.73, Mini Maxx, Flo Pro turbo back exhaust, Flo Pro egr delete with intake elbow, Flo Pro 3 inch ic pipe, aFe intercooler, BD Diesel track bar, DieselSite coolant and trans filters, Mishimoto radiator, AirDog II 165, No Limit intake, Rough Country dual SS, Rancho 9000XL, Nitto TG 325/50R22.
Last edited by Capt dong; 03-17-2013 at 10:29 AM.