Quote:
Originally Posted by PDUB
The new splined section looks much sorter, and the splines look like they might strip out with any sort of wear, i.e. the surface area in which they mate to the hub looks whimpier. The old one looks like the input shaft on a toploader... that is pretty tough!
I'm not an ME, so I cannot say for sure, but it just looks weaker to me. I would love to hear from an expert, since I am interested in persuing the outboard brakes...
Cobrarkc, did you go with the outboard system?
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I am not an ME either but here goes. Think about a Ford 9" rear axle there are either 28 spline or 31 spline with the later being stronger. Now think about how much of the axle is splined, around the same amount that is splined on the newer Jag axle stub. The part after the splined area the is necked down only holds the axle stub into the hub and doesn't need to be as thick.