How To Tell????
#5
Originally Posted by gatorblue92
only the early FX4 and LII came stock with a 31 spline... not sure on the newer FX4 though
#9
#10
^^^ I don't think you can actually... The spline count is sort of a measure of diameter of the axle shaft... The splines are always the same tooth size, frequency, so if you add more splines, you have to increase the overall diameter. You can't fit a seal and bearings for a 31 spline axle shaft into a 28 spline houseing. I just don't think it will work. At least not for the 8.8 axle.
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#13
Originally Posted by lifted97ranger
WTF?
you can have aftermarket 31 spline axles made for the 28 spline tube....you will have to swap out the diff to a 31 spline diff....
you can have aftermarket 31 spline axles made for the 28 spline tube....you will have to swap out the diff to a 31 spline diff....
Having aftermarket axle shafts fabb'd is quite an extreme though, I'm assuming he was asking about a JYswap.
I knew about the 28 spline 8.8, but I'm also fairly certain he is not looking to downgrade his equipment if he already has the 8.8
#14
according to Moser Engineering ( www.moserengineering.com ) (I just got off the phone with them) it IS possible to go from a 28 spline axle to a 31 spline axle without swapping out the housing.......they said the 31 spline and the 28 spline axles are the same size in diameter and the only thing besides the axles to replace is the diff...........they said it is a common swap in Mustangs to go from 28 spline to 31 spline without a housing change.......
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