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driving along today around town, all of a sudden the car goes pop, and sounds loud and rough. turns out it blew #4 spark plug out of the head. this is a plug that had a threaded insert on it. i managed to put a new plug in with a new threaded insert on it (last two threads were serrated to help keep it in there; old one was plain). i'm obviously not very confident that this will last very long (it lasted a 35 mile low rpm drive home), so what should i do, without taking the heads off, or anything fancy like that? should i replace the threaded insert with a helicoil? would the head then need tapped? thanks sonny --------e‰ --------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/