JKU Diff Gears

[RLT]

My 2007 Sahara 2.8CRD JKU came with 4.1's from the factory.
Running 315/70/17 Goodyear Duratracs (34.25" Dia) 2.5" AEV and runs fine.
Seems to give it more 'legs' on road in my opinion.

[Banshee]

Originally Posted by Jeep'ers

Why would you need new carriers? I didn’t...


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Depends on the ratios you are going from/to. Going from, say, 3.21 to >3.73, the crown gears are different thicknesses due to the number of teeth, & so require a new carrier to put the gear into the correct position.

[WHHEMI]

Originally Posted by RLT

My 2007 Sahara 2.8CRD JKU came with 4.1's from the factory.
Running 315/70/17 Goodyear Duratracs (34.25" Dia) 2.5" AEV and runs fine.
Seems to give it more 'legs' on road in my opinion.

All 07 JK's came with 4.1.

[Jeep'ers]

Originally Posted by Banshee

Depends on the ratios you are going from/to. Going from, say, 3.21 to >3.73, the crown gears are different thicknesses due to the number of teeth, & so require a new carrier to put the gear into the correct position.

Gotcha


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