07-04-2020, 08:33 AM
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CC Member
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Join Date: Dec 2015
Posts: 1,442
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Standard Torq spec for (10.9 class) 12mm dia bolts is 135NM or 99FTLB
That being said I wouldn't go above 50FTLB on the upper or lower as your working on a single shear in both upper and lower. (Smoking the torq to 99FTLB will not make it stronger and you may end up with a 2 piece bolt.)
On the bottom attachment, cleaning the bolt and bore with Elec Contact, or Carb Cleaner and allowing to dry, then applying Blue 242 lok-tite is advisable.
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