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I have a 66 xr ute with an xa width borgy (M76?)in it behind a 94 5lt xr8 motor and BTR. The borgy is hanging in there but the 25 spline axles have a slight woble and cant get replacements or get them fixed!  I am having trouble getting a decent builder to make a diff for me. I have changed my mind from getting a bigger borgy or dana or 9 inch (I have a nice xy housing) but they have all got drawbacks. 9 inch are VERY heavy and I dont realy need one with my stock 5lt. The little borgy is limited to what little stuff I can by for centres and the m80s are probably the size for me but cant find a builder that will supply EVERYTHING! I find most builders are in Melbourne or vic and thats not close enough as I am in Newcastle area. So for its either they dont like m80s, want use 2nd hand parts, use the centres they have, use the new heavy after market 9 housings not mine, want to build the diff as they say not what I ask for, wont do brakes and brake lines and wont do handbrakes.

Maybe I am fussy wanting them to make a complete item but? Anyway any segestions? Looking for trutrac 31 spline, disc brakes either 9 inch as I have a housing or m80? Any help appreciated.

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Well, that's disappointing. Hope someone can help with a recommendation. I'm no help down here in SA The Granny State. My preference would be for a 9 inch, but I'm biased 😎

Purely for interchangeability of centres/ratios. Can be done in the shed, if you ever decide to go on an interstate trip and want better fuel economy. 

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