Here I was under the impression that in a shear type of mount, a grade 5 is better, as a grade 8 is too brittle. Grade 8s are more for clamping pressure than shear. I think most stock suspension bolts are grade 5, are they not?
Just stirring the pot. Were the old guys wrong in using a grade 5 in shear?l
What I was told too, grade 5 for drive studs on axels more elastic, grade 8 has less shear strength, brittle. A guy had one of those tubular front ends with tubular lcas, while turning backing up slowly a 3/4” grade 8 bolt sheared off, car dropped to ground. Seams like a few had done the same so company made a double shear fix
But with most uhh _____ coming from ______ a grade 8 could be a grade 2. I've seen some scary stuff from over there 
