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Does an 03 FX4 have an open diff?

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Old 04-03-2010, 11:37 AM
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Does an 03 FX4 have an open diff?
Hey guys i have a 2003 f-150 with the fx4 package. What kind of differential does this model have? I was just curious. Thanks
 
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Old 04-03-2010, 01:53 PM
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fx4s came with a limited slip rear end
 
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Old 04-03-2010, 02:43 PM
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Look on your driver's side door jam sticker and find the Axle Code.

19 = 3.55 Open
H9 = 3.55 LS
B6 = 3.73 LS

Those are the most common.
 
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Old 04-03-2010, 09:52 PM
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Thanks for the replies, i appreciate the help!
 
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