Cesar Barrios
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• Castroville, CA, USA |
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• Registered on 11/5/2004 |
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• 7 posts |
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 Posted:11/6/2004 18:55 |
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Ok they just delivered my 2004 V10 4x4, but I don't know what axle ratio it has. On the door jamb tag it reads under axle 31. Does that mean anything to anybody?
By the way I bought it used. |
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Brian Barnett
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• San Antonio, TX, USA |
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• Registered on 9/6/2004 |
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• 103 posts |
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Posted:11/6/2004 19:47 |
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congrats om the new EX. post some pics!!
It really is all about size!!!!!! |
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birdman127
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• baltimore, MD, USA |
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• Registered on 10/13/2002 |
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• 581 posts |
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Posted:11/6/2004 22:27 |
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| Quote: | Ok they just delivered my 2004 V10 4x4, but I don't know what axle ratio it has. On the door jamb tag it reads under axle 31. Does that mean anything to anybody?
By the way I bought it used. |
Ford Excursion Axle Codes:
3.73~~~~~31 --- Open Diff / ~~~~C1 --- Limited Slip
4.10~~~~~32 --- Open Diff / ~~~~C2 --- Limited Slip
4.30~~~~~33 --- Open Diff / ~~~~C3 --- Limited Slip
Moderator
Scott
2000 ltd 6.8 V10*4.30LS*
Lots of mods
check my gallery
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Cesar Barrios
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• Castroville, CA, USA |
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• Registered on 11/5/2004 |
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• 7 posts |
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Posted:11/6/2004 22:39 |
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Thanks Scott 
I was hoping it was a limited slip diff, but aw well. I'm still stoked.
First mod. Exhaust, but wich one. HMMMMM! |
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Cesar Barrios
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• Castroville, CA, USA |
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• Registered on 11/5/2004 |
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• 7 posts |
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Posted:11/6/2004 22:40 |
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By the way how much for a cold air intake? How is that Mac? |
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CHPMustang
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• Plano, TX, USA |
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• Registered on 7/24/2002 |
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• 1,798 posts |
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Posted:11/6/2004 22:58 |
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I haven't found an Excursion with nothing other than the 3.73 rear but I'm sure a ring and pinion shop could change that in a couple hours tho 
Bill
2002 Excursion XLT-P 4x4 7.3L Powerstroke Diesel
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Gen-X
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• Toronto, XX, Canada |
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• Registered on 1/19/2004 |
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• 344 posts |
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Posted:11/7/2004 20:21 |
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| Quote: | Ok they just delivered my 2004 V10 4x4, but I don't know what axle ratio it has. On the door jamb tag it reads under axle 31. Does that mean anything to anybody?
By the way I bought it used. |
Welcome.....Congrats on the new bus  make it your own.....lights, lift ,exhaust,....or stay stock it's all good...
Cheers |
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eric e
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• somewhere, XX, USA |
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• Registered on 7/12/2004 |
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• 16 posts |
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Posted:11/8/2004 09:11 |
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Birdman,
Thanks for posting the codes. I've looked for those before and couldn't find them anywhere.
Now for further confusion, I just checked the door tag and there isn't any code under "axle". My original window sticker says 3.73 axle but the tag on the axle says:
3 S 410 B
73 10 2 0A04
There is also a sticker on the axle that says 410 B. So I would guess that is a 4.10, would that be open or LS? RPM's at 65-70 mph is just above 2000 with a V-10. I remember seeing a post somewhere that the 3.73 should be running those RPM's and the 4.3 was higher RPM's at 65-70.
Input any one? |
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monsta
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• The Big Island, HI, USA |
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• Registered on 1/5/2002 |
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• 1,048 posts |
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Posted:11/10/2004 01:14 |
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| Quote: | but the tag on the axle says:
3 S 410 B
73 10 2 0A04
Input any one? |
You have 3.73's. Under the tag in front of the 73 is the the other 3. 
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dnevins
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• Subscriber since 12/29/2009 |
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• San Diego, CA, USA |
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• Registered on 12/28/2009 |
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• 340 posts |
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For anyone who lands here later with the same question: code 31 on the door tag is a 3.73 ratio with an open (non limited slip) rear, which matches the list above. C1 would be the same 3.73 with a limited slip.
If the door tag is missing or you suspect the axle has been swapped, check the axle itself. Ford hangs a small metal tag from one of the differential cover bolts that is stamped with the ratio, plus an L on a limited slip. If the tag is gone too, raise both rear wheels, put it in neutral, turn both tires one full turn together and count the driveshaft turns. A little under three and three quarters means 3.73, just over four means 4.10.
Our Excursion data plate page has Ford's diagram of that rear axle identification tag for the 10.50 inch rear these trucks use:
https://www.supermotors.net/reference/ford/excursion/2000-2005/data-spec-plates
Dana
https://partslogic.com |
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