Exhaust stud extraction

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dropkicknick

Member
Joined
Sep 30, 2017
Posts
57
Reaction score
29
Location
el paso
Ram Year
2012
Engine
hemi 5.7
3 of 4 exhaust studs came out relatively easily. Last one has been a pain. I've tried a torch, welding a bigger nut, love taps from a dead blow etc.

So I finally cut it down and drilled out the center, except it's a little off center. I've gone as wide as I can, I fear next bit size up will dig into the aluminum. Everytime I try to use a spiral bit to extract, it just makes it wider.

In the pics, it's left exhaust port, right stud

Any tips for moving forward?

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