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Old March 8th, 2014, 09:07 AM   #1
Nitrodave
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Default Gear ratio mis match

Have a lead on a 9" ford rear axle to stuff under my cj7. The axle tag shows as a 3.50 ratio. Would this be far enough off from a 3.54 ratio in the front to cause a problem ?
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Old March 8th, 2014, 09:12 AM   #2
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Old March 8th, 2014, 09:16 AM   #3
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it will be fine
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Old March 8th, 2014, 09:18 AM   #4
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Old March 8th, 2014, 09:20 AM   #5
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Old March 8th, 2014, 09:34 AM   #6
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As long as you only use 4x4 in mud/snow/sand you should be ok. Your rig might get a little tail happy though.
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Old March 8th, 2014, 09:49 AM   #7
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I think i read somwhere u should keep it within a 10% difference and ur pretty close so it should work

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Old March 8th, 2014, 10:23 AM   #8
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it'll be fine, i once ran 3.55 and 3.73 I wouldn't reccomend it.. but i did for awhile.
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Old March 8th, 2014, 11:31 AM   #9
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Within 10% your OK. Ford from the factory ran 3.54 front and 3.50 rear In The 1970's vintage trucks
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Old March 8th, 2014, 01:13 PM   #10
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Old March 8th, 2014, 01:39 PM   #11
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non issue
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Old March 8th, 2014, 05:10 PM   #12
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Thanks..
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