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Which rear end do I have?

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Old 04-16-2013, 03:00 PM
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Question Which rear end do I have?

Just bought a 2001 Screw with 5.4L. I looked all over the rear differential for the stamp to tell if I have 3.55 or 3.75 gears to no avail. How do I tell which ratio I have?
Old 04-16-2013, 04:42 PM
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Look at your door sticker for the rear end code and then look it up or call the Ford place. They can tell you pretty easily. Your insurance company can even tell you what you have by your vin number.
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Old 04-16-2013, 09:15 PM
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I just got a 2004 f150 fx4 says I got 3.55 can someone tell me how good that is?
Old 04-17-2013, 11:31 AM
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Thanks for the info, atvtinker. I have a code of H9 (3.55 limited slip).



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