since I hang out here I'll post in this thread. I had issues with THE seal for t-case (tranny) input eating outer seal surface on install. two seals were chewed up after trying to massage in the seal. I cleaned up the surface between 1st and 2nd attempt with 600 grit and oiled both times. anyway, I took a friends advice and put a seal in the freezer overnight. Installed it without problems this morning (#3's a charm). cool to shrink the seal if anyone repeats this stunt.