Hey Adamtheha you may have more troubles getting it back on. I took my flywheel off and on EASY, BUT the little drive grear came off easy but it's been a pain getting it back on, WELL may be your old one will go on easy but I brought a NEW one and it just didn't want to go back on and I ended up cracking it. They have a very thin wall were the woodruff key goes. Any way I posted some pics on how to use that tool and how to get you flywheel off, and if your old drive gear isn't broke then it will go back on easy. With that tool it's easy.
I'll try find my old post.