Sorry to hear that. So the additional head material needs to be added at the tip end of the glow plug and not at the threads correct? If I'm not being too much of a PIA, could you please tell me how that happened? I assume that you drilled a little too far or possibly at a bad angle or maybe both. You mentioned the damage being at 4 o'clock. Did you go all the way through the head at that point so that the glow plug won't seal? I'm just trying to gather some info so that the next time I have to do, I'll have some background info. How big of a piece(s) did your glow plug come out as?
Thanks. Good luck with it and keep us posted on the outcome. I understand your frustration. I went through the same thing. My car was like that for about six weeks while I fiddled with it and debated what I should do next.
Len
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