Do Torsion Bars Wear Out?

harrisonm said

I know torsion bars can break, but do the just wear out until they have little 'spring' left in them? And how would one know / check for that?

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Yeppers, any spring of any kind, of course. Unload the frt. end and unwind the adjusters, put a suitable length straight-edge along it, if it retained any significant bow(say 3/16"
+) it is on it's way downhill. I have a pair of .870" dia. bars right next to me, one is approx. 1/32", the mate (L) is close to 1/8". I'm still going to use them, but not on the one
I plan on tossing thru the turns.