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31 or 35 spline build?

mrpoonlover

NAXJA Forum User
Location
In my jeep
I'm in the process of building a 9 inch rearend. I'll be running 36" tires. I already have a 3.0 bearing case, that I can run a 31 spline detroit in. I am debating running 35 spline shafts, and a detroit. I'll have to buy a bigger case, and the shafts and detroit are more expensive than the 31 spline units. Would I be okay with the 31 spline stuff, or should I fork out the extra dough and get the 35 spline stuff?
 
You could always just run a 35 spline spool, with the smaller bearing case. I think the 31 spline axles will be plenty though.
 
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