Power and gas mileage.. Should I change tuners? - Ford Powerstroke Diesel Forum
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post #1 of 23 Old 10-22-2012, 05:59 PM Thread Starter
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Power and gas mileage.. Should I change tuners?

I have an 01 excursion lifted. I like the truck but not to happy with the power. I have an intake, mbrp exhaust, and a superchip. It just seems slow. I currently get about 12mpg in town with 6" lift and 35s. Would I feel to much of a difference switching to something like a ts chip. Any suggestions?
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post #2 of 23 Old 10-22-2012, 08:54 PM
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you might notice slightly better mpg.
much better on your tranny and cooler egts...
not to mention more POWER
dont get a standard ts chip. get one with custom tunes.

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post #3 of 23 Old 10-22-2012, 10:07 PM Thread Starter
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Ya I was looking at the tony wildman but I thought it would be harder on the tranny because of the more power
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post #4 of 23 Old 10-23-2012, 11:23 AM
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well he is better at tuning the tranny as well.
so still better than the chip you have now.
you could could get a new valve body for the tranny that helps a lot.

99.5 f250 7.3 4x4 255k
PHP Phoenix, S&B, 4" Diamond Eye, Hpx, Stancor, RR Billet Wheel, RR AIH Delete, Autometer Gauges, Pro Comp leveled, Transgo Tugger, Billet TQ Converter, Warn Hubs, Int'l Up-Pipes, RR IC-Boots, Non-Ebpv Pedestal, High Flow Outlet, Hucorey's HPOP Lines, RR High Flow Fuel Fittings, RR OCR, Barder 360 Thrust Kit, 08 Tow Mirrors.

Dad-2000 7.3 108k miles, Autometer Gauges, Superchips 1705, RR AIH Delete, 6637, 4" Diamond Eye, BD Billet Wheel, TruCool Max
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post #5 of 23 Old 10-23-2012, 07:28 PM
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i have a standard ts 6 position on mine with 35s an 4 inchs of lift. i run it in 140 horse settin all the time an am gettin 18 round town n bout 21 on interstate. mine also has 3.73 gear. if you have 4.10 you can expect lil lower mpg

die hard 7.3 till the day i die!
2003 7.3 ts 6 position, stage 2 afe, 4in straight pipe turbo back, wicked wheel, unplugged wastegate, beans boost fooler, 6in black tip, 35s n xd wheels
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post #6 of 23 Old 10-23-2012, 10:15 PM
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Another thing worth mentioning, are you taking the bigger tires into consideration while doing calculation for you mileage?

On my truck the speedo/odometer is exactly 8% off with 35s

PIS 175/80's, Van Turbo with EBPV, BD Billet Wheel
Lots of money spent at RiffRaff
Holley fuel pump, in tank mods, crappy riding leveling kit, DP-F6, 5 Gauges+Edge CS in dash, CB radio in Dash, over 100 goofy little mods
Still pretty slow, just less slow now.
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Originally Posted by peixinho View Post
I love finally having my truck back... that 7.3 dog that I was driving was just not cutting it.
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post #7 of 23 Old 10-23-2012, 11:13 PM
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My speedo is off by 9%. I get anywhere from 12-13 in town. and 15-17 on the highway. I have a 6" lift 35s and a TW custom tuned chip. I try to drive sensible but that can be hard lol. The mileage I see I feel is pretty reasonable for an 8k lb truck lifted up with big tires. You can see what I have done to my truck in my sig. The mileage is starting to get to me, and that's why I'm gonna be buying a diesel jetta for a commuter car. But I will NEVER sell my baby!!

Tony Smith

2006 F250 Fummins with Allison Transmission
Fully loaded with all the goodies

Dreaming of: Injectors, Twin turbos, Dual cp3s, and all new custom tunes

Planning for: 2011+ front end conversion and American Force rims
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post #8 of 23 Old 10-24-2012, 08:03 AM
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Quote:
Originally Posted by LTSmith View Post
My speedo is off by 9%. I get anywhere from 12-13 in town. and 15-17 on the highway. I have a 6" lift 35s and a TW custom tuned chip. I try to drive sensible but that can be hard lol. The mileage I see I feel is pretty reasonable for an 8k lb truck lifted up with big tires. You can see what I have done to my truck in my sig. The mileage is starting to get to me, and that's why I'm gonna be buying a diesel jetta for a commuter car. But I will NEVER sell my baby!!
Bingo! Recalibrate the speedometer to the Revs per mile rating of your tires. Run 3 full tanks through and then recalculate your fuel consumption average.

Custom Tuning-Computer Chips

Flash Programmers-Aftermarket parts

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post #9 of 23 Old 10-24-2012, 12:13 PM
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The mileage I'm reporting is taking the 9% difference into account. If I was just going off the mileage my odometer read boy would I be hating life lol. My 12-13 in town is with the correct amount of miles driven. I even used my brothers GPS to double check over a series of fill ups.

Tony Smith

2006 F250 Fummins with Allison Transmission
Fully loaded with all the goodies

Dreaming of: Injectors, Twin turbos, Dual cp3s, and all new custom tunes

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post #10 of 23 Old 10-27-2012, 01:33 AM
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What mpg are you expecting out of an 8000lbs truck? If you are expecting good mpg get a v6 half ton, you drive a truck that will pull whatever you want why would you expect good mpg?

Sold 2001 f250 ccsb 4x4 400/400, dual terminators, swamps 80mm bfh, headers, bts and all the usual supporting mods. 715hp fuel only.

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12 f250 lariat ultimate
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