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Axle Gearing help!

kgkatyag

New member
Joined
Jul 15, 2020
Member Number
2304
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Hi everyone. I just picked up a set of Gladiator non-rubicon axles. I am regearing them to 4.88 and I just finished the front. Now the rear (m220) stock pinion has a marking of 0.55 with a shim thickness of .0490" and the new pinion has 0.13 on it. I don't see the +- markings on these like there were on the front so im lost. What do these numbers on the pinions mean? how do I set up my shim stack for them?
Thank you!
 
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