Decoding rear axle ratio
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Decoding rear axle ratio
I recently purchased a 2005 F350 dual rear wheel crew cab with a V10. Can anyone help me figure out the rear gear ratio? I have done several searches with no luck. The axle code on the drivers door says 4L is this all I need or should I post the VIN # as well. Thanks for any help, everyone here has been a wealth of knowledge.
Tonto
Tonto
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Joined: Nov 2006
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From: Simi Valley, CA
No VIN on any year Ford vehicle contains the AXLE code, it's listed separately on the Certification Label.
I don't see an AXLE code listed of 4L. Look below where it says AXLE for the code, not above. If you looked above, 4L is prolly the paint code.
AXLE codes listed on Certification Labels (Warranty Plates prior to 1981) are two digits. With Limited Slip: A letter followed by a number, or without Limited Slip: Two numbers.
There should be a Ford ID tag on the rear axle that will have the ratio and the type of axle it has.
Example: 3L55 = 3.55-1 with Limited Slip, or 3.55 = 3.55-1 without Limited Slip.
I don't see an AXLE code listed of 4L. Look below where it says AXLE for the code, not above. If you looked above, 4L is prolly the paint code.
AXLE codes listed on Certification Labels (Warranty Plates prior to 1981) are two digits. With Limited Slip: A letter followed by a number, or without Limited Slip: Two numbers.
There should be a Ford ID tag on the rear axle that will have the ratio and the type of axle it has.
Example: 3L55 = 3.55-1 with Limited Slip, or 3.55 = 3.55-1 without Limited Slip.
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