Quote:
Originally Posted by 97 SL320
Properly installed Heli coils are just as strong as the parent material.
While not optimal, a car can be run with 1 missing lug as design standards consider this possibility but it isn't advisable.
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Wrong heli coil is a spiral wound strip of metal that is easily deformed and is in no way as strong as the hub metal. The only repair that i would use on my families car is a timesert which is a full metal sleeve with threads inside. heli coils pull out all the time when removing the bolt in them timesert wont do that