I am presently parting out my old PRV as I am putting an LS into my car. I've dealt with some pretty stuck on crank pulley nuts on all sorts of cars, including DeLoreans, but nothing so diabolical as this.

My 1,200 lb/ft impact wrench won't budge it. I bent a six foot breaker bar cranking on it. I've tried both said impact and breaker bar after MAP gas torching the nut for several minutes, but still to no avail.

Any suggestions for getting this thing off of here?