I'm not sure if your tractor would be like mine but installing the kit is not that hard. I had some trouble but it was because they sent me a hose that was 12" too short. Besides that, my biggest issue was figuring out which hose was the power beyond hose. The LS tractor manual does not say and neither did the loader manual. Internet searches were useless. I ended up calling the folks at everything attachments and Rick helped me sort it out. See the thread here:
http://www.tractorbynet.com/forums/hydraulics/391368-wr-long-third-fuction-ls.html
Now my last issue is that the new knob will not fit over my stock loader handle. The stock plastic nub on the top is too big. Is this what you ran in to e-wa?