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Old 01-23-2021, 09:37 PM   #25
gmc684x4
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Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
Re: this rear axle stuff is confusing, but I have to go posi

I have looked a bit into 14 bolts companies do make a 6 bolt hub to fit the rear spindle need to turn down the axle hub a bit
Give you a full floater gm diff that can take a lot of abuse

Lots of great advice on 4l80e and gear ratios i have a non posi 3.73 diff 4 series posi i might drive it as is at first see how i like the highway rpms before I drop in the posi might look for a set of 3.42s not looking to build this into a burn out truck getting to old to get caught doing donuts on main Street
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