Hey guys, I have read all the posts of the C&D clutch and it sounds like it is worth it. Nobody yet has reported back if it has helped out with climbing and in the sand dunes. I now you are getting approx. 7 mph gains with it, but I really want it for climbing little hills and especially in the dunes. Please let me know if you have noticed a difference in these areas after installing the kit. I would REALLY appreciate it. I have put paddles on my kids 170 and it made a huge difference in the dunes. Also, do you suggest the front sprocket change is worth it as well. Thanks guys!