I have a 100lb son riding a 580 with 6" carbides , no studs, the sled darts real bad. Without buying dual carbides I want to put more more wieght on the track, by adjusting the front skid shock teather straps how many turns of the adjuster nuts should I go to make a noticeable change? We dont have any snow down here in southern WI for test rides and were loading up to go out west next week. I dont want to spend all day on vacation fliping his sled on its side. Should I tighting the straps 3-5 or 6-9 full nut rotations? I know this is a far out question thats tuff to call on. I just want others that have dialed in their sleds before to give any advise.