You prolly would have broken the band, or bent the anchor. After the adjustment did you notice any difference in shifting?
After thinking it over and over.. I decided that I am going to have a shop do the work for me (just paying for labor - i have all the parts) .. The biggest factor was I didnt want the mess of dropping the pan all over my relatively clean garage floor.. Also I have a friend that was going to help me (he has done a lot more stuff like this than I have) and he hasnt had time lately and I want to get it done soon..
But I am also having them install a B&M drain plug in the pan, so future changes wont be messy..
Brian