Regearing for larger tires?

[greenweever]

Does anyone offer aftermarket ring and pinions (or are there some off of other Ford vehicles with a higher ration and will fit)?

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[ShadowChas]

you do realize this is a front wheel drive truck rear drive unit for awd

 

[ShadowChas]

I’m not being adversarial, but wouldn’t all the people racing fwd cars over the past decades be altering gear ratios to optimize performance? Also It would seem to me that if Ford is offering a different gear ratio in the 4k tow pkg that there is a possibility to run different ratios. It’s likely to be prohibitively expensive but many performance mods are.

Yes i guess anything is possible given any amount of $..., but that would require tearing the transmission apart for gearing changes w/computer adjustments as well as the rear drive unit which also limits the cv-axle shafts needing upgrading and how far can you go to change wheel well for clearance of bigger tires? 4k tow package is different ratio already but again would need computer changes for tire swapping, etc...
My bad - I just thought they were thinking about easier axle gear changing with typical 4 wheel drive vehicles front/rear axles with transfer case not this all wheel drive type.

 

[GaMaverick]

Does anyone offer aftermarket ring and pinions (or are there some off of other Ford vehicles with a higher ration and will fit)?

But why? If you order either the tow package or FX4 package you get lower gearing in the package then just a regular awd gearing. If you get both packages together you get the lower of the two,

 

[thevol]

4k tow is the only option that lowers the ratio. But to the ops question you should be able to at least get the parts to get it the same as 4k tow.

 

[Mymaverick2021]

I’m not being adversarial, but wouldn’t all the people racing fwd cars over the past decades be altering gear ratios to optimize performance? Also It would seem to me that if Ford is offering a different gear ratio in the 4k tow pkg that there is a possibility to run different ratios. It’s likely to be prohibitively expensive but many performance mods are.

Not to mention that will probably throw your warranty out the window

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