TC Rubber 13.5
TC Rubber 10.5
TC Rubber Mod (5 cell OR 6.5/LiPo)
1:12th 10.5
1:12th Mod
That's all we run in the UK and it certainly seems to work (but we run separate meetings for TC and 1:12th)
So maybe if its the Snowbirds add 10.5 TC Foam and 10.5 WGT