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Old 10-24-2013, 02:37 PM
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85e150
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You can plug in your ratios here:

Novak Conversions - Gearing & Gearing Math for Jeeps

25" seems like a pretty short tire, so figure that out first.

The taller first and closer ratios would be "better" for aggressive street driving.

The lower first gear will launch you a bit easier and will be your friend if you haul anything.

Those OD ratios are plenty tall for your 3.70 axle imo.