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Old 01-15-2013, 06:28 PM   #1
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gear ratio on back axle

how do i see what my gear ratio is on my back axle im replacing on my yj, i am just swapping it out for another dana 35

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Old 01-15-2013, 07:50 PM   #2
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Old 01-15-2013, 07:51 PM   #3
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There should be a tag held on by 2 of the diff cover bolts. It should also be stamped on the outside edge of the ring gear, or you can count the number of teeth on the ring gear and pinion and divide them to get the ratio.
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Old 01-15-2013, 07:51 PM   #4
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If it's a 2.5 I think it has to be a 4.11 ratio if stock, and if it's a six I believe the most common was 3.55's? I'm still learning too, but thought I'd chime in with what I "think" I know.

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