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2004 Rearend: 8.8, 9.75?

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Old Aug 4, 2004 | 03:37 PM
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2004 Rearend: 8.8, 9.75?
whats the number 8.8 or 9.75? i got the STX 4.6
 
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Old Aug 4, 2004 | 04:05 PM
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The 3.55 and 3.73 are 9.75
 
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Old Aug 4, 2004 | 04:06 PM
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The 3.55 and 3.73 rear ends are 9.75 and the 4.10 w/ the heavy payload package is 10.25. Refer to this pdf file for other insightful specs on our 04's.
 
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Old Aug 4, 2004 | 04:08 PM
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woops-

I forgot I'm at work, I'll post that file later when I get to my home computer.
 
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Old Aug 4, 2004 | 04:09 PM
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which pdf file? thanks!
 
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Old Aug 4, 2004 | 04:10 PM
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What comes with the 8.8" then? Just curious. I have 9.75"
 
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Old Aug 4, 2004 | 04:16 PM
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i guess no 2004 trucks come with the 8.8"
 
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Old Aug 4, 2004 | 05:49 PM
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I belive the front axle on the 4X4's are 8.8.
 
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Old Aug 4, 2004 | 07:47 PM
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Originally posted by schmidty
The 3.55 and 3.73 rear ends are 9.75 and the 4.10 w/ the heavy payload package is 10.25. Refer to this pdf file for other insightful specs on our 04's.
Can we put 4.10's in the 9.75 axle?
 
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Old Aug 4, 2004 | 07:58 PM
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i was wondering the same thing
 
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Old Aug 4, 2004 | 10:02 PM
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Here's that pdf file I was talking about. I found in a post a long time ago. Its got some good stats in it.

https://www.fleet.ford.com/truckbbas...50_04_221b.pdf
 
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Old Aug 4, 2004 | 11:15 PM
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well i just learned that i have the 8.8 rearend and my truck weights 3800 lbs.
 
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Old Aug 4, 2004 | 11:20 PM
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just kidding my truck weighs 4788 lbs
 
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Old Aug 5, 2004 | 10:28 AM
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yes you can put 4.10 gears in a 9.75 i have 4.88 in mine,
 
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Old Aug 5, 2004 | 11:21 AM
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Bad@$$...consider it done. Oh, and how much total did it cost you to have it done?
 
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