Hi Todd,
Another Everett-Morrison close by!!!!!!!!!! I've got one under construction in Sunnyvale, 428SCJ, Toploader, Jag rear, Mustang II front. If you would like to bring your car, and a pocket full of 1/16 inch drill bits, by sometime we can solve that bolt loosening problem. I've got safety wire pliers and I'm not afraid to use them
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As far as the helicoil goes you may want to try Mustang Ranch on El Camino in Santa Clara. They are the only local shop with Cobra experience that I know of, but keep a close eye on your wallet......
-Jon