EX MILEAGE - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 3 (permalink) Old 02-13-2013, 01:55 AM Thread Starter
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EX MILEAGE

took ex on a 900 mile round trip from sc to tennessee mountians this past week, mpg was 15.5 mixed driving, 15 hand calculated. question is, im running 35/12.50/16 bfg km2s which has my peedo off by 4 to 5 mph SLOWER than actual speed, how much off are my calculations based on the speedo being off...ANY IDEAS????????

05 6.0ps excursion, edge color cts, mt classic II's 16x10 with bfg km2's 315/75/16, 5 in lift with dual front shocks, cat elc coolant, straight piped, complete egr delete, updated oil cooler
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post #2 of 3 (permalink) Old 02-13-2013, 03:49 PM
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Re: EX MILEAGE

About what I'd expect of a 4x4, automatic, Ex with big tires and a lift operating in hilly terrain.

2000 F-350 SC 4x2 6 speed
3.08 gears Gear Vendor Overdrive
Slammed 4"
Rugged Air Dam
315,000 miles
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post #3 of 3 (permalink) Old 04-19-2013, 04:44 AM
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Re: EX MILEAGE

You're probably only calculating .95 miles per 1 mile. So if you averaged 15.5 on 40 gallons 620 miles. 620 x .05 = 31 620 + 31 = 651/40 = 16.275.

When on the freeway reset or take note of the trip computer number. When you get to the next mile marker see what you are at. Should be at 1.0 if you reset it. If it's off you should be between .9 and 1.0. If you are off 5mph, should be at .95.

2002 F-350 CC LB Silver 10 inch lift on 38x13.50x20 Toyo MT's, Banks stinger kit, 4" exhaust, Intake, Big head waste gate, DP live tuned 12 pos chip, Transgo Shift kit, 6.0 trans cooler, 4 pod gauges. All work done at WOP
2003 Super air Nautique Team edition
SOLD 02 Ex Blk on Tan Limited. 7.3
SOLD 97 White F-350 CC 12 inch lift 38.5X15.50
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