Two options that work best for me.
Split them with an impact chisel.
Cut off a slice (with the threads) with a die grinder
(end result is also a plit nut).

Both ways work well and preserves the stud.

Z

--- insyncro <insyncro@HOTMAIL.COM> wrote:
> Hello,
>
> I would appreciate any wisdom associated with
> removing very rusty header
> bolts from the engine.  I have access to many shop
> tools, just need to
> be pointed in the right direction.
>
>
>
> Thanks
>
>
>
> dylan

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