Don't try to wind it out all in one go. Out a little then in a little, Out a little more then in a little.

And what Fastwomen says. Don't wind it out hot.

Also when you get a wrench on it, try rapping on the wrench or the stud while under tension. I've had impact wrenches break things loose that I'd never have gotten off with just torque.

Thanks to all the comments, I finally removed it Pb blaster, and vice grips, , thanks again and let's keep going:D

Did you even try the double-nut method? If not, why not? Just wondering...

Did you even try the double-nut method? If not, why not? Just wondering...

I couldn't, there was not tread left, even the vice technique was tricky