[GOSFAST]

Hi Ross, fix it with the correct heli-coil thread. It's actually quite simple if you make a simple drill & tap guide. We've made dozens of these "guides" over the years. We have most "slotted" but you can do it by the center-to-center method on the bolt locations.

Thanks, Gary in N.Y.

P.S. Here's a couple shots of a few with one showing the tooling mounted. The same tool is used first as the drill guide then moved and used as the tap guide. The tools have all been tapped with the respective heli-coils taps.