Well I've got a bunch of track time now with the two way slipper now in my 410.
I read on rctech how it can back off when you use it. I used a bunch of red lock tight and this was not a problem.
The only problem I have had with it, is the pads get glazed and it slips. I have AE pads in it now the short course ones. I didn't even try the durango ones. I have had them glaze up on me in my 210 on ozite.
With the AE pads it still glazed up after about 6 or 7 packs. But I just take them out and clean them up with a knife.
I've run it at my local track its hard clay and we run surgar on it on race days. Goes from a hole shots to bar codes.
I myself find it helps putting the power down doesn't want to go side ways as much. I run it pretty tight and you can see there is for sure more front tire wear with it in the car.
here's the A main video with it in my car
http://www.youtube.com/watch?v=7EndK...6BcSLtQUy6fANg
I think as for as running on carpet or ozite no it won't work it will just glaze up to fast..