MPG sucks!!! - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 12-13-2007, 10:11 AM Thread Starter
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MPG sucks!!!

I've got a stock 08 with the 6.4L and the best I can get out of it is 11.3mpg!!! Do you guys have any tricks to do better? Come on man I need some help I only get 8-5mpg towing this thing is horrable!! I was used to my 18mpg in my 6.0 why does the 6.4 burn so much more fuel?
Help please!!!

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post #2 of 18 Old 12-13-2007, 10:18 AM
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This could help you.....
Possible MPG Ford mod coming out

-Julian
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post #3 of 18 Old 12-13-2007, 10:19 AM
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But honestly you need to get rid of that DPF....

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post #4 of 18 Old 12-13-2007, 10:51 AM Thread Starter
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Yeah and with it goes my warrenty!!! I've only got 9k on it I've got a lot of warrenty left... But, that being said, its still may be my only option...

99 F250:4x4 lariat 4 door; 7.3 powerstroke; superchips programmer; custom shorty exhaust; Airaid intake; 22" lift; 48x31x20s

08 F250 Blacked out like S.W.A.T.!!!
2" lift
24" Black kmc monsters!!!
325/45r24 Pirelli scorpions!
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post #5 of 18 Old 12-13-2007, 11:10 AM
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Originally Posted by TwinTurboStroker View Post
But honestly you need to get rid of that DPF....
I am with you there. As soon as I get a few more miles and financially stable I am driving over to KEM and see what they can do for me. I might just ask for the Julian Special.

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post #6 of 18 Old 12-13-2007, 12:42 PM
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I am with you there. As soon as I get a few more miles and financially stable I am driving over to KEM and see what they can do for me. I might just ask for the Julian Special.
Thats all it takes fellas, hahahaha.....but remember it will be hard at first to see better numbers cuz your always going to want to HAMMER DOWN!!!! :burnout

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post #7 of 18 Old 12-13-2007, 12:44 PM
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Kem

Hey Julian, what are you getting for mpg with the Kem and the dpf taken off?
post #8 of 18 Old 12-13-2007, 12:55 PM
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Hey Julian, what are you getting for mpg with the Kem and the dpf taken off?
Well if I don't let my right foot control my brain then I can get 15 to 16 in the city and if I hit the sweet spot on the highway 67 to 69 I can get upwards of 23 and but above 75 it drops back to 17 or 18.....I also know a lot has to do with the 4:10s I have out back.....it would be better if I was geared lower

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post #9 of 18 Old 12-13-2007, 12:57 PM
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Damn

thats all hand calculated? Not by the display? WOW! Yeah you would probably be running 3-4 more with 3.73's!
post #10 of 18 Old 12-13-2007, 04:05 PM
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I have a '08 supercab 4x4 auto with 3.73 and 18" wheels. If I cruise at 70mph I get around 14 combined and just by slowing to 60-63mph I can bump the combined up to just under 20mpg-hand calculated. My drive consists about 50 miles highway and 10 city each way. Anything above 1800rpm is a bad place to be while highway cruising. The backpressure doubles and the engine runs a close post injection which wastes lots of fuel. I know it is hard to drive that slow but for me it is worth it.
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