Nitro runner, please tell me how the heck you tuned the jato for cold weather!! I have such a pain tuning mine to run right in the cold weather. It either acts like it doesn't have enough power, it seems like it won't rev high enuff to hit 2nd gear, and then it shows signs of being to lean so i have to richen it, and then it acts like it's too rich, the LSN seems like it's tuned perfect, it roars off the line and will hold idle no matter what, but what have you done with the stock HSN setting??? I kept mine nearly exactly where it was at stock.