1968 Buick gs 455 big block bolt broke off

195

Asked by May 03, 2013 at 11:49 AM

Question type: Maintenance & Repair

so i was going to take the old gaskets that is between the headers and the motor block
got all of the bolt's off and went to the last on started to turn it and the head of the bolt
broke off so the bolt is stuck in their how can i get it out thank you

2 Answers

155

you can buy bolt extractors with a left hand thread just drill the bugger out then wind in the extractor allowing you to get the remaining bolt out a little heat will help try using a plumbers blow torch or if you have enough of the bolt left try using mole grips with heat or my friend the only other option is drill it out and re tap the hole just make sure the drill is the right size for the thread you need hope this helps regards rich

95,185

If there is a stud sticking out, you can weld a nut on the stub and wrench it out.

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