.200" Toe out.
If your off trail riding, you want less ski pressure, so crank center shock down, coupler block on narrowest setting and possibly cut rails back 1/2". All theses will get front end up and on top of snow.
Trail riding: back off center spring to get more ski pressure, coupler blocks thickest and do not cut rails.
Dont take this the wrong way, but Go to the gym and stop eating Mcdonalds. Loosing a few lbs will be the best upgrade you can do to your sled. Trust me.