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FUEL
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Discussion Starter #1
like it says, what is my rear axle? 07 big horn slt 2500 4x4. I ask bc I wanna replace the crappy traction device (or lack thereof)
 

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I believe they still have the AAM 11.5. And if you already have the factory limited slip, that's as good as it gets. Cause NOBODY makes anything for them yet. If you just have a open diff then you can upgrade to the factory limited slip. That's it. If you have the limited slip and want to sell it, let me know. I want one.
 

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FUEL
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Discussion Starter #3
ugh. i would kill for a nice dana 80 with a detroit. im gonna go check the out in a bit. is it tagged for LSD or do i have to put t on jack stands and do the ole spin test?
 

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The Older 3rd gens like mine have a sticker in the glove box that lists that stuff. If not, yeah , just jack it up and spin one tire.
 
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