6.0L Power Stroke Engine and DrivetrainDiscussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super-Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.
Truck appears to have dropped about 1/2mpg, down from 13.5-14 to 12.9/13.4, but winter fuel has always lost milage. Been tracking ULSD since October 06, still running DS with each fill up. Truck appears to be running quieter, with no loss of performance. [img]/ubbthreads/images/graemlins/shrug.gif[/img]
Unless you fill your tank all the way to the top of the filler spout and stand there for 10 minutes clickin off/on while the foam settles, you will never get an accurate reading. My dad has that mpg gauge in his truck and its not very accurate. My truck is an XLT and doesnt.
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I've got it down to about 3 minutes. In winter time the foam settles a little quicker then in the summer time. [img]/ubbthreads/images/graemlins/laugh.gif[/img]
I've noticed a slight drop. My fuel average before ULSD was a solid 16 mpg. Now it around 15.8 mpg.
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My html Version of the 6.0L Bible (link removed 6/24/09) Now with 2005 Updates
$5 AIC (link removed 6/24/09)
2003 F-350 Lariat CC/6.0L Diesel/TorqShift/3.73/FX4/SRW/Dark Shadow Gray.
Born on date: Jan 20, 2003
Number of reflashes done: 2 (05E15 Jan 8, 2007)
Number of C94 injectors replaced: 0
Number of times the EGR valve has been replaced/cleaned: 0
since the ULSD switch here I've seen my highway mileage go from 18 to 15 and around town from 15 to 11-12.5. Now my truck stays parked unless I have to haul something around or my other truck is down.
I too was always seeing strong 16's, and since the change to the new fuel, i,e,(winter blend) I continue to see a drop of 1-1.25 mpg, hand calculated, and I am also taking into consideration that my mpg alway drop in the winter, so I'm hopeful that I might actually see the increase like several others have mentioned, when things warm up around here. [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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2001 F-350 7.3 Lariat CC 4X4 lwb dually
4R100 3:73 esof dual-alts reverse-sensor
mods so far:
Line-X,Gene Louder AIC w/ITP bracket,Muth heated/signal tt mirrors,Proflaps,acetoned badges
Lund interceptor bug sheild,wilson 5000 roof mount antenna w/galaxy 88HL
DPPI 4" 304 dual exhaust,Isspro EV gauges pyro trans boost on A pillar,04 headlights and corner
suv-lights dual-harnesses and silverstars,husky liners,Marinco plug mod,AIS
2004 F-350 6.0 xlt reg cab
4x4 5R100 3:73LS manual hubs
mods so far,
aic,husky liners,hood insulation pad
Lund interceptor bug sheild, 8'HD plow setup,Marinco plug mod,
husky mudflaps
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