Well, I thought I had bought the correct fomoco tool to remove my old tailshaft bushing in my 3 speed 2.77 trans but turned out, the tool was slightly larger than what I needed. Having got this far, I used the seal installation tool and just drove the new bushing in on top of the old one pushing the old bushing deeper into the tailshaft housing. I had read of some Ford truck guys doing this so, I thought id give it a go as opposed to pulling the extension housing. It seems to have worked just fine. Nice tight driveshaft yoke now, no noises while driving, and no vibrations. Have any of your guys ever installed the bushing this way or, do you foresee and issues?