Well thanks everyone for the ideas. This is how I did it. A Dremel tool with a tungsten carbide cutter . I slowly hollowed out the old studs then I drilled them with a helper to get it as square as possible. Tapped them and installed heli coils. The new exhaust system went on without incident. Enjoyed a couple of very cold beers afterwards. Not an easy job. Robert 86 Syncro 82 Westy |
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