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IIRC, 28 spline axles have a sort of hourglass-looking dish cut out of the hub, whereas the 31 spline axles have 3 holes drilled in the end. Or you could just count the splines.


'72 Mach 1 || '90 Talon TSi AWD
"Thats not a leak, my car's marking its territory!"
"If you've done it, it ain't braggin'." -Roy Rogers
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