scartail Posted June 19, 2019 Share Posted June 19, 2019 need help, and im not sure on the uniqueness of my dilemma, and im not sure of the proper category. i found a broken exhuast stud in my head (engine from the yard). in my absence of forethought, i drilled a hole and attempted to extract using an extractor. you know what, the extractor broke. so, i had a broken harden steel extractor in a broken steel stud in an aluminum head. i eventually grinded a hole with dremel. it's about a1/4" diameter hole. now im certained with retapping the hole. what are my options? grind (because some hardened steel might b left) the hole out to tap for helicoil? in retrospect, i should have welded something on and tried that. stupid of me. any advice? thanks. Link to comment Share on other sites More sharing options...
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