This happened to me too, I ordered every special tool I could find and ended up towing to a shop that handles these kinds of nightmares. They couldn’t do it, I towed it to a machine shop and they jacked the car up leveled it to a drill Press with the head inverted and drilled them out and helicoiled it. :ah:
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1997 Boxster 4.2L Audi V8 Bi-Turbo
2003 911 C2
NASA HPDE Instructor
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