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Re: Removing a broken bolt (and replacing an exhaust manifold)
many easy-outs and what not are made from tungstun. Nearly impossible to drill out.
Its tedious, but in such a situation, I have been known to use very tiny drill bits and drill a series of holes around the easy-out, then hit it with a chisel and work it out.
I can't remember the name of the process, but its kind of like a plasma cutter that bores holes in metal. Some machine shops have it (its a three letter acronym....RID?) and you could have the stud and extractor removed in this manner, and then rethread or helicoil the hole afterwords. Might be easier/less effort to just get another manifold though
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life begins at 10psi of boost
Three turbo'd motorcycles and counting.
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