I am remodeling my bathroom. I have been trying to unscrew the 2 inch pipe from the bathtub drain that connects to the waste tee. The pipe will not budge. I have used liquid wrench and a 5 ft pipe as leverage to no avail and the pipe is now deformed. Should my next step be to heat the pipe with a torch and try again. I would rather not have to cut the entire line of the vent and waste section. Any suggestions are appreciated.