What ratio??? - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 10-29-2007, 08:42 AM Thread Starter
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What ratio???

Can anyone tell me what rear-end ratio I have in my '05 F-350 DRW? The axle code on the door is 4N.

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post #2 of 6 Old 10-29-2007, 01:12 PM
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should tell u on a metal tag on one of the rear end bolts..maybe even the driver door sill might have the ratio..or maybe thats where the axle code is


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post #3 of 6 Old 10-29-2007, 01:27 PM Thread Starter
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Yeah I have the code it is 4N, I just don't know what it means.

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post #4 of 6 Old 10-29-2007, 01:32 PM
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Hope this helps. Looks like ya got 4.10's kinda like me.

37 = 3.73 non-limited slip (standard)
3L = 3.73 limited slip (SRW)
4L = 4.30 limited slip (DRW)
4N = 4.10 limited slip (DRW)

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post #5 of 6 Old 10-29-2007, 02:37 PM Thread Starter
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Thanks Josh that is exactly what I wanted!

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post #6 of 6 Old 10-30-2007, 09:29 AM
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i guess the codes are different for 250's.. ?
i have an 04 and my axle code is C1... what does that stand for ?
i know i've got 3.73 but was wondering which one exactly
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