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How To Confirm Front Diff???

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Old Apr 18, 2009 | 09:03 AM
  #1  
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From: Mission BC
Question How To Confirm Front Diff???

I want to confirm what front diff I have in my 03 F250 4X4

What's the best way to do so?
 
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Old Apr 18, 2009 | 10:24 AM
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You have a Dana 60. They switched in 2002 so those were either D50 or D60, 2003 was all D60.
 
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Old Apr 18, 2009 | 10:26 AM
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Dana 60...
 
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Old Apr 18, 2009 | 10:35 AM
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You can get the gear ratio from your vin#'s axle code using post #3 in this thread:https://www.ford-trucks.com/forums/4...lder_____.html
 
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Old Apr 18, 2009 | 05:07 PM
  #5  
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Thanks Guys,

Cool then it's a Dana 60 & I'm gear 4:30 according to the decal on my door post.
 
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Old Apr 18, 2009 | 05:50 PM
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Dang, if you have a 4:30 then you have a real stump puller there.
 
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Old Apr 18, 2009 | 09:13 PM
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Originally Posted by ruschejj
Dang, if you have a 4:30 then you have a real stump puller there.
Nah, its still a gasser They should all have 4.30s stock, or at least 4.10s.
 
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Old Apr 19, 2009 | 10:20 AM
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From: Mission BC
Originally Posted by ruschejj
Dang, if you have a 4:30 then you have a real stump puller there.

Funny... It actually has pulled a couple of stumps a couple of years ago before I started mods.
 
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Old Apr 19, 2009 | 11:36 AM
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Is there any other way to get your gear #s with out getting under the truck and looking at the axle tag. There is a smudge/scrape right across the axle code area on the door sticker
(parr). The truck is a 2001 f-350 4x4 dually (cab & chassis) is there anything in the vin that will tell you
 
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