Is it necessary to replace the crown wheel bolts on 8-3/4 ?

pishta said
I twisted off 2 in the same ring gear when I was torquing them (55 ft/lbs) with a snap-on non ratchet torque wrench. I believe the PO overtorqued the bolts trying to get them off ( Left hand threads) and damaged them, 2 more had obvious hyper-stretching. Good part was the twisted off bits threaded right out with a punch. This was after I ran them out and chased the top 3 threads with a tap I bought. LHT taps dont grow on trees but I got it in 3 days for $7. Ebay...:)
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Good story and I'd say that has happened more than once around the world, maybe even more than twice... A good reason to replace them if you didn't know the previous history of the unit. You did well to get that LH tap, ebay can be a saviour sometimes.