[GC1980]

I've now swapped both mine for good used examples and fitted black series polybush bearings which has transformed the rear end

I think the issues with the trailing arms and the bolts taking the alloy away are the stupidly high torque values. I think they're around 165nm or 121ftlb which when going into the relatively soft alloy it's a recipe for disaster.

I stopped at 80ftlb on mine and believe me that's enough. Switch back to a half inch ratchet and I gave it a good pull and as quite a strong person it felt very tight. I certainly won't be loading it up with 120+ ft-lb as I'm pretty sure that's going to strip the threads again and then I'm royally screwed once again.

 

[GC1980]

Could I buy your old arms off you to try out the repair system?

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Hey George, I'll need to check to see if my body shop still has them. Also bear in mind in order to put a nut and bolt through it I've milled away on the first arm, and then on the second failure just crushed a section flat so these are probably scrap now. Will find out at any rate if they're still there.