Here is my 2017 Transit with 2 inch lift and 32 inch tires. - Page 4 - Ford Transit USA Forum
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post #31 of 38 (permalink) Old 01-08-2017, 02:25:PM
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Originally Posted by WhereDoIgoFromHere View Post
Hypertech only lists a F 150.
It would be interesting to see how the authorized 4x4 up fitters do it. I do know from my own experience with a 2010 F350, Ford may choose to not honor the drive train warranty if you exceed the maximum tire size. I'm not trying to scare anyone. That drive train warranty is a valuable asset and I wouldn't want anyone to loose it just because they don't like the looks of their van.

2016 T250, MR, LWB, 3.5L EB, 3.73 LS, Sync, Tow Package.
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post #32 of 38 (permalink) Old 01-08-2017, 02:39:PM Thread Starter
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Originally Posted by WhereDoIgoFromHere View Post
Hypertech only lists a F 150.
Yes I checked. Our 3.5 Ecoboost, 6 speed trans and rear diff are from an F150.

Hopefully Hypertech will do the Transit.

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2017 Ingot Silver, Cargo, Medium roof, 148"WB, standard length. 3.5L Ecoboost.
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post #33 of 38 (permalink) Old 01-08-2017, 04:17:PM
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Originally Posted by rene12341 View Post
I will find out this week. I am going in for an oil change and ask to set tire size. I know you can do it on a Ford truck. In fact Hypertech sells a cheap box just for reprogramming tire size on trucks. The problem is many dealers are aholes and refuse to help you so they make up lies.


I would be curious to see what your dealer has to say. I don't have the most faith in mine.
It is also my understanding that both V-6's, the tranny and the rear axle are all F-150 sourced. If they can adjust the F-150 I would think they could do the transits also.
Please post what your dealer says if you don't mind.


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post #34 of 38 (permalink) Old 01-10-2017, 12:12:PM
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Looks like the VC lift is a great setup. Waiting for them to develop the kit for T-350!

I've grappled with taller tires vs gearing also, but with a diff't consideration. Taller tires are equivalent to taller gearing and result in loss of low-range power and torque. All the ECU re-flash would do is adjust rpm/shift prompts to account for this. To fully address the larger tires/gearing change, you'll likely need to swap the either the axle or gearing out to a 3:73 to regain the stock 3:31 or so gear ratio.

My tires are not quite as tall as yours, but I've been mulling over the axle/gear swap to 3:73 for some time now. Definitely want to retain the LSD, and may consider a locker "while we're in there...'. All that said, I haven't done the legwork on any of this as of yet, so welcome the Forum's experience, resources, and expertise.

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post #35 of 38 (permalink) Old 01-12-2017, 08:01:PM
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I decided to go with the 3:31 from stock so when I get my QuadVan 4x4 conversion next month with 2 inch lift I can use the 32" tires and then just change the rear gears to 3:73........... then my computer still thinks I have stock sizes set and running the gear I want to get around the dealer trying to change later.

Stock to stock with a little help from QuadVan guys.

I want to add lockers front and rear. But I want ARB or some form that can be turned off (not limited slip or True trac etc). As I only want them engaged on the rare occasion they are needed. Limited slip is helpful and can hurt you by walking you off the icy edge just as lockers do. Side hills are dealy to any locked systems.

Anyone heard of ARB or others designing something yet?
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post #36 of 38 (permalink) Old 01-14-2017, 10:31:PM
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looks mean. lol
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post #37 of 38 (permalink) Old 03-05-2017, 11:57:PM
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looks great!

looks great which TRansit do you have?
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post #38 of 38 (permalink) Old 04-28-2017, 09:29:AM
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Quote:
Originally Posted by sschefer View Post
It would be interesting to see how the authorized 4x4 up fitters do it. I do know from my own experience with a 2010 F350, Ford may choose to not honor the drive train warranty if you exceed the maximum tire size. I'm not trying to scare anyone. That drive train warranty is a valuable asset and I wouldn't want anyone to loose it just because they don't like the looks of their van.
Do you know what the maximum tire size is for a transit, without voiding warranty?
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