Drill and tap the other side. There are 2 notches on the caliper slide bracket. Take it to the machine shop and also take the caliper slide bracket with so they have an idea where to drill and tap at. You don't need a long bolt in there. All it is doing is securing the slide bracket from coming loose. With the tension that the spring clip puts on you could probably run it without the bolt.
I had mine break off, then had an extractor break too. We tried drilling it, and while I went to get another braket off an axle my buddie had, my dad drilled a hole through, we tapped it, threw a bolt in, and voila, put it together and drove it 4 hours that friday morn, and 4 hours back sun. Has been fine it's been 2 years.....
So yea fix it right, but in the meantime...........do what ya have to do to get it on the road.
Instead of starting a new thread I thought I would just revive this one since the pictures do not work. I picked up some caliper brackets for my '79 Dana 44 that I am converting from 8 lug to 5 lug for my sas. I noticed something as I was cleaning them today.
I am pretty sure that the modification talked about in this thread has already been done to one side of these caliper brackets.. I just need some verification before I find out that these are junk and not useable. Is this second hole drilled and tapped so that it can hold down the caliper bracket? Does it look like it is in the same spot as people's that have already done this?