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Well after looking at the trailing arm thread, Maybey you whould just have them Waterjet from 1" plate:http://dtsfab.com/index/index.php?topic=988.0We need a picture of Enemy's setup hint hint. He is the only one on here running rear A-arms that I know of. His didn't seem to have a ton of gusseting, and wasn't as wide based at the frame, which IMO will add quite a bit of strenght to yours.Ok I decided to grab some of Enemy's pictures from another thread....... Couple crosstubes to keep anything from buckling. No undergusseting for the shock mount.... You better ask DS what tube he used to get a baseline.
I am glad to see you decided to go with the 1" plate!
I'm not too sure it would save weight.
I wonder what the weight would be? I HAVE considered it tho.
My concern would still be the shock attachment point.
There would be no concern. The shock attachment point could be machined in the arms. anything in the way of 6061-t6 or 7050t351 would be supper strong. Machining a double shock tab on the lower arm would not be a prob.