275/70/18 pics?

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08-03-2014, 04:01 PM

#11

dieselhunter44

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No trimming required. Stock suspension

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08-03-2014, 05:16 PM

#12

johnday in BFE

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Quote:

Originally Posted by DirtDawg

But then I am an olde farte...

LOL,me too!! And I absolutely refuse to "grow up"!!!!!!

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08-03-2014, 05:20 PM

#13

MAINEFX4

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This size tire puts my speedo and GPS in sync, go figure :-)

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08-03-2014, 05:27 PM

#14

2011XLT5.0

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No trimming needed

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08-03-2014, 05:30 PM

#15

Blazin2011

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275/70-18 Toyo Open Country A/T2

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08-03-2014, 08:58 PM

#16

Rockjock3

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Quote:

Originally Posted by DirtDawg

I suppose I'm just too ****-retentive to accept that much error. BTW, I've read here that FoMoCo computer can only recalibrate to tire sizes within specific truck's CPU, so unsure how an aftermarket programmer can circumvent that? Also, not anxious to create potential warranty issues on my new truck by "tweaking" programs in any case...

You are right, their computer can only do that, but their computer/tuner isn't the only game in town. SCTs can calibrate to pretty much any size you put in there. It isn't that the trucks computer can't take different settings, it is the computer they connect that only has certain settings to input.

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08-03-2014, 10:53 PM

#17

white08gt

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if Ford can only adjust for factory tire sizes, pretty sure they have to enter your gear ratio. say you have a 3.55 and go an inch bigger, have Ford enter 3.31 final gear ratio. same with a 3.73 enter 3.55. my hand held tuner, you have to enter tire size and gear ratio that i have for Mustang GT. changing gear ratio on Fords tuner seems like it would be closer to being accurate to mph.