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I didn't realize...there was that much difference between the 1350 and 1410...
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There isn't. They're the same size cap, just the 1410 is wider for more angle.
My rig runs all 1350s except at the front pinion I run a 1410. U bolts on the front yoke, hex bolts on the flange, u bolts in the rear output of the transfer case and regular straps on the axle.
I haven't had any retention issues. Jesse is big on selling u bolt yokes instead of straps, and I can see it being an issue if you bind your yoke up and rip the bolts from the yoke, however......
If your joints aren't binding either method of retention is acceptable and will work fine in my opinion.