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Old Feb 25, 2010 | 07:44 PM
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Couple Of ?????

How do I know what rear end I got in my 97 3/4 ton? The tag says 1296 and 3.55 which I imagine is my gear ratio but I need to know which rear end I got to do a gear swap for 4.10s

Also, my truck clunks when turning hard and it sounds like the spare in the rear is clunking but its up in there tight. Could it be bushings in the anti sway bar or whatever it is that goes along the rear end from one side to the other? Anything common I should know?

Thanks,
GG
 
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Old Feb 25, 2010 | 07:56 PM
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It's a 10.25"
 
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Old Feb 25, 2010 | 08:00 PM
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I don't know if that is the right code. Not that I'm an expert

 
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Old Feb 25, 2010 | 09:32 PM
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The decal on the drivers door pillar has an axle code as well. If your truck is a LD it will have a 10.25 semi floater, and if it's an HD model it will have the full floater version.
 
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Old Feb 26, 2010 | 06:35 AM
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So I am still lost here guys.... If I post up the axle codes both front and rear will that work? I believe its HD but what do I need to post up here so someone that knows whats going on can edumacate me....
 
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Old Feb 27, 2010 | 06:44 AM
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On the door jamb it says axle code is 39. So what do I got?
 
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Old Feb 27, 2010 | 09:38 AM
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See here... Ford Axle Code Chart .: Articles

That's the full floater 10.25 with a 3.55 open differential.
 
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Old Mar 1, 2010 | 07:57 AM
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THank ya Thank ya,,,, Now what about the front axle? I only saw one code and it surely is not the same as the rear...
 
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Old Mar 2, 2010 | 08:12 AM
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TTT Still looking for some help here with the front axle...
 
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