I like my Savage transmission with reverse. A lot of people seem to have trouble with it for some reason and the only thing I can figure is that people are trying to go in reverse and slam it into forward as they whip the front end around. That or they just aren't smart with it. I hold the brake before I shift into reverse and before going back into forward, I hold the brake as well. I also give the servo time to actually engage the transmission as well. I have had only one breakdown and that was the shaft coming out of the reversing box sheared. But even then it lasted 5 years before that happened. Put another shaft in for $10 and has been going good ever since.

The Savage tranny is built as a two speed system, but they also have a three speed upgrade if you want it. I use it and it works great for me, but other people seem to have issues with it.