Originally posted by 2low2towHB
man i hate to say it but your in a heep of a good time. I have a 600ft/lb impact gun and it did'nt budge the bolt. I ended up takin it to a shop and it took them a day to get the bolt off.
600 lb/ft should be more than enough, if it doesn't work, try lubricating the impact with 4 or 5 drops of air tool oil, if the air vanes aren't lubricated, you'll really only get about 30% of the total torque you otherwise should.