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  1. Damaged Thread on Head - Helicoil or Re-Tap?

    Alfa 147, 156 & GT
    Hi all. Managed to pull the rear head off my v6 cos I couldnt get 4 of the exhaust studs back in. I managed to put studs in 3 of the holes I was having trouble with, but one is definitely cross threaded. Put a stud which went in abuot 3-4mm, but I noticed it was at about a 90° angle, and...
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