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Axle ratio

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Old May 27, 2008 | 07:33 PM
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MichiganHunter
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Axle ratio

I just bought a 06 f150 4x4 and was wondering if anyone could tell me how to tell what axle gears I have in the truck, and wher to look for it, Thanks.
 
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Old May 27, 2008 | 08:49 PM
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Two places.
1)Inner door jam on drivers side under axle code: It'll either be H9 which is 3.55 Limited slip or B6 which is 3.73 Limited slip.
2)Rear axle bolt cover has a metal tag that will have something like 3L55 which is 3.55 limited slip.
 
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Old May 27, 2008 | 08:55 PM
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or 19 is 3.55 non-limited slip or 26 is a 3.73 non-limited. Look on b pillar for code as Matt mentioned.
 
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Old May 27, 2008 | 09:03 PM
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Being that it is a 4x4, good chance it's got a limited slip.
 
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