Buy one set of new hub bolts. On the first hub, back the old bolts out about a half inch or so. You can beat on the heads of those old bolts with a 3 lb. hammer and the hub will pop right out for you.
No torch needed (usually).
If you have to do the other side too, remove all three of the original bolts completely and thread the old beater bolts in by hand and leave them sticking out about a half inch or so (like before). Use them to beat that hub out and save them in the basement for future hub replacements.
That way, you will install the one new set of bolts; be able to use three of the good original bolts and have the beater bolts for use as a "tool" should you have to do hubs again (you won't need to buy new bolts every time).
Also, use a breaker bar to remove the hub bolts if you have never done them or have no idea if they have ever been removed.
Avoid the temptation to rip 'em out with the impact wrench. You might snap them. (At least you would have that new set of bolts on hand, but you wouldn't be able to use the old ones to beat the hub out on the other side...)
Wouldn't hurt to try soaking the bolts with a good penetrating oil too. Not sure it will actually soak all the way in, but wouldn't hurt.
It's early and I haven't finished my first (of several) coffee yet. So, if you need clarification on this morning ramble... Just let me know.
