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I just picked up an 05 CC short box 4x4 in GA and on the 850 mile trip home to Michigan I averaged 19mpg's doing about 70.
 

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I just picked up an 05 CC short box 4x4 in GA and on the 850 mile trip home to Michigan I averaged 19mpg's doing about 70.
what tune?
 

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Rice Hunter
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DANG ???? ask a question and move on..........where'dhego.....:rofl:
 

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thats way low. i got 17 with mine stock, its an 05, with an intake, turbo, exhaust and hypertech max energy i get 26 now
 

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thats way low. i got 17 with mine stock, its an 05, with an intake, turbo, exhaust and hypertech max energy i get 26 now
26? I don't think I could only drive 45 :crazy:
 

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At 65 mph on the freeway I get 18-20 mpg and 15-16 city driving, and 8-9 towing over 10k. All stock truck
 

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man, i can't imagine there would be that much diff. i had a very late 05, 06's were on the lot when i bought it. the best i ever got out of it was 16 on the way home to vegas from idaho (650 miles all freeway 80 mph.) after that i avg. 13. i drove it stok for 13000 then put a chip and 4" straight pipe except for a flow thru muffler. it didn't make a diff. my chip was an edge and i know i could have picked a better one but i never saw over 15 after the first trip home. i got 10 pulling a 24 ft hauler. about 7000 lbs id say. it had 36000 on it when i traded er in.
 

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here are my results the last few tanks since I got the truck.

TANKS
#1: (33" wide mud tires) 13.5-14

#2: (stock 18"rims off an 06') 14.5

#3: (1st tank w/2-stroke oil) 15.25

#4: (2nd tank w/2-stroke oil) 16

#5: (3rd tank w/2-stroke oil) 18
 

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not smoking nothing dude. speed limit here on the highway is 55. run about 60 all the time. i saw a 5mpg gain with the hypertech programer alone, and running taller tires. i do mostly highway. when i do get to driving around town im at 19, eeryone says im full of shi* when i say it, but when they ride with me across four states and do the math they become beleivers. i cant explain it. my grandfathr hs an 07 thats stock and he gets 20 on the highway. my boss has a stock 04 he gets 13 and my broher has an 03 getting 16. im sure there are more guys out there getting great milage that no heres about with a 6.0. i also forgot to mention before that i have an egr delete on the truck
 

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How much 2-stroke are you adding???
 

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my intent was not to call you out on your milage claims. i have heard other people claim similar numbers. i was more referring to the differences between trucks from the same time period being so different. i don't know when mine was built. it could have sat on the lot for a year for all i know.
 

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My F250 FX4 CC LB 6.0 completely stock, is only getting 14.7mpg if I can keep it under 2ooorpms at all times.:( The best I got was 17.1 HWY from Florida to Texas and back 6 months ago 70-80mph. :dunno:

I would also like to know why there is such a difference in mpg between these trucks.:confused:
 

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you need to get rid of the lift kit and go back to stock tire size and you should then see 17 to 23mpg depending upon the speed stock without a tuner. I consistantly average 22.5 at 55-60 on the interstate but only 14.8 around town loaded or unloaded
 

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Altitude and climate must be the answer........:dunno:
 
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