Ok, I need some advice (or opinions).
I have a few options:
1) Drill the head myself, fixing in a new helicoil - costing about £10 for the helicoil kit
2) Pay to get a shop to drill it for me - costs about £25. Gives peace of mind but won't have chance to take to shop until next week!
3) Don't drill the thread, but instead try an easy out on the stud, after using heat and penetrating oil
I like option three, as it's cheapest and easiest (if it works). However, how much heat can I put on this stud/the head around it? Too much will damage the alloy head right? There's no stud protruding to heat that by itself - if I heat the stud I also heat the head. Also, how realistic am I at getting it out this way - the last thing I want to do is snap an easy out in there too, surely that would be game over?
Need some help, the sooner the better so I can order the bits I need.
Thanks,