7.3 mileage? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 28 (permalink) Old 04-06-2015, 11:01 PM Thread Starter
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7.3 mileage?

I recently purchased an 01 7.3 with 200k miles. I'm getting around 13 mpg
The truck has a 3" lift with 34x14x20 tires. Stage 2 turbo, air intake, superchip, and exhaust. I baby the truck and keep the chip on the economy setting. Is this mileage normal? How much should I get? What can I do to increase mpg?
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post #2 of 28 (permalink) Old 04-06-2015, 11:32 PM
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Re: 7.3 mileage?

That sucks on your mileage...my old obs still gets 20.9 mpg with 355k on it....something must be wrong...maybe some super duty fellas will jump in.

1996 F350 Crewcab lb 2wd auto, tommylift, now over 451k, 355k 3/31/15

1991 F250 Xtracab lb 2wd auto, sold again! Driveline and chassis is under a '65 F350 cab

1965 F100 styleside, power brakes, front discs, 390 all the goodies
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post #3 of 28 (permalink) Old 04-07-2015, 01:00 AM
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Re: 7.3 mileage?

Cleaning EBPS Exhaust Back Pressure Sensor on 7.3l Ford ... You can try doing this and it might help some. But my truck in my Sig probably gets around the same as yours right now. But maybe if you had different gearing with the tire n wheels set-up you have it might help?

01 powerstroke stock other than 35s and leveling kit 280000 and counting

00 powerstroke project 💩💩
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post #4 of 28 (permalink) Old 04-07-2015, 01:01 AM
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Re: 7.3 mileage?

[QUOTE=cliffordf350;4847322]Cleaning EBPS Exhaust Back Pressure Sensor on 7.3l Ford ..YouTube search this part it should help

01 powerstroke stock other than 35s and leveling kit 280000 and counting

00 powerstroke project 💩💩
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post #5 of 28 (permalink) Old 04-07-2015, 05:28 AM
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Re: 7.3 mileage?

I'm running 315/75/16's 373 gears. 348 or so with the equation. No take off power at all but I'm running basically stock with 4" downpipe and upgraded tranny. No tuner! I took my ebp tube out and plugged the hole. Ran a tube from sensor to tee in MAP. It helped a little with mpg. If I run 65 on interstate I get @21. Around town normal I haven't checked it but it gets really close to my 2wd 4.3 s-10. It Avis 17 overall.
Usually tuners and chips do best in street tow setting. Have you tried that? What air intake? And don't use the lifetime, not enough air. Fuel mods can help a lot. I use Archoil fuel and oil additive I swear I picked up 2 mpg just with that. I'm sure rev-x or some others are just as good. Not the crap advance sales.
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post #6 of 28 (permalink) Old 04-07-2015, 05:50 PM
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Re: 7.3 mileage?

I run 35s with 3.73 gears and a 6.5 inch lift and get all around 17.0 to 17.2 mpg with the 80hp flash tune. Also have 4 inch turbo back exhaust, 6637 filter set up, and hutch mods done. You should be a bit better then what your getting especially being light on the foot.
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post #7 of 28 (permalink) Old 04-07-2015, 05:52 PM
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Re: 7.3 mileage?

Is your speedo adjusted for oversize tires? If not, that will make a huge difference.




Early '99 F350 DRW, Excab, LB. Auto. 2WD, 2010 bed, 2005 headlights, 298K, on my way to 1000K.
H2E, 238 Hybrids, Adrenaline oil, Tuned by Tony. DIY Regulated Return.
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post #8 of 28 (permalink) Old 04-08-2015, 12:21 AM Thread Starter
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Re: 7.3 mileage?

Ok guys thanks for the info
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post #9 of 28 (permalink) Old 04-08-2015, 12:29 AM Thread Starter
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Re: 7.3 mileage?

What is the 6637 filter and hutch mods?
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post #10 of 28 (permalink) Old 04-08-2015, 12:37 PM
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Re: 7.3 mileage?

if you search the new it will tell you all about the 6637 filter mod and look up hutch and harpoon mods on the net and theres tons of write-ups and some show you both right on you tube.
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