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How do you tell axle ratio?

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Old 05-05-2011, 06:47 PM
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Default How do you tell axle ratio?
I'm trying to figure out what axle ratio my brothers truck has? Its an 04 supercab 4x4 with the 5.4 The axle code is 19?
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Old 05-05-2011, 06:59 PM
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19 = 3:55 non-limited slip.
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Old 05-05-2011, 08:32 PM
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A google search will net you the codes too.
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Old 05-05-2011, 09:09 PM
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where do you find the axle code?
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Old 05-05-2011, 09:13 PM
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Originally Posted by zmadams
where do you find the axle code?
There is a sticker in the driver door jamb that will have it
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Old 05-05-2011, 09:17 PM
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Thanks thats what i thought but wasnt sure. he's wanting to buy a new 5.0 or Ecoboost and didn't want to go backwards lol.
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Old 05-06-2011, 07:10 AM
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There is a chart in the "how to" section here that will break down your door jamb codes
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