Upper control arm mounting bolts for 2nd Gen F-Body.
I read somewhere where someone replaced his bolts with lug bolts, but then, of course, I couldn't find that thread to save my life. So, I took a trip to advanced auto, where I was allowed to root through their trays of lug bolts. I eventually found a size that would work, Dorman part# 98237.1
These involve making the existing bolt holes a little larger than stock. I drilled mine to 9/16 with one of those step-bits from harbor freight, and cleaned the holes a little with a rat tail file. More Pics coming soon.
Anyway, hope this helps. It should be applicable to pretty much any older GM with upper a-arm's in their front suspensions.

