I just sent a head out to have two broken exhaust studs removed by an EDM tech. One of the studs has a broken EZ-out in it. In any case the shop called me and left a message it was done and the cost is $300.00. I do not think I am a cheapskate but $300.00 seems out of line. I thought maybe $120.00 to at most $180.00. Has anyone any experience with getting broken bolts removed by and EDM machine and if so what was the cost. Am I correct in my guess that removing broken studs at a standard machine shop and doing a Heli-coil would probably cost maybe $150.00 tops. Thanks Z-Dude1967