You won't get that thing to behave itself with the stock Banshee spring. The Banshee has a linkage swingarm. The spring is pure mush when running it direct.
The good news is that it will control a heavier spring without overcoming the valving. Works pretty well with a stock TW spring if you can devise a spacer. But make sure you limit it to stock TW travel or it will overtravel on compression and go byebye.