You can sometimes take a smaller drill bit and drill right beside the easyout and it'll work it out. You might even have to drill beside it on both sides. If you end up screwin the hole up you can either put a helicoil in it or maybe tap it the next closest size in metric or fine thread. The thing about easyouts is they're hard as the back of supermans head, they don't flex , give or bend. I think it's best if the broken bolt wont budge to use as big an easyout as you can get in it. I like to use left handed drill bits on broken bolts, alot of times they'll catch it and pull it out since they're turnning the way the bolt will be removed. Heat always helps but as you know that's a bad place to have a torch. Good luck with it and take your time.