i just ran it out there even though its raining. I think the star cuts work better except in one climb I have. On the base of my tree I have an obstacle that puts all the weight of the crawler on the back tire at an angle. When the foam wasnt cut the tire kept its shape, but now it mooshes over and the truck rolls. It is a steep climb at an angle, then you have to turn left and transfer to a side hill. I was able to still do it, but its very touchy. I cant wait to video it. I think I need some different tires too. Im thinking about either flat irons, or the losi rock claws. I like the look of the flat irons, kinda like a bfg crawler, but read that the rock claws are one of the best traction tire made. The lizards are too stiff in the middle.