THere are remedies for this sort of thing. You end up oversizing the hole and adding a helicoil repair. It is a double sided screw in part that threads into the hub, and has internal threads that are original in size so the fix is like new.
It is science and takes a little effort but no hard, just do the research to find them and follow the instructions. THere are also spark plug thread repair kits for this sort of issue.'' ENJOY W
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RoadStarMagazine.com - How to use a Helicoil
TAAAA DAAA freaking easy piezie...................WW