What is the best sand tire set-up for the Blaster, with a 240cc kit? I was thinking about 18x9.5x3 Skat-Trak 6 paddle Gliders for the rear, and 21x7x10 Skat-Trak Mohawks up front... are the 18s in the rear "under-tiring" the 240? I want alot of holeshot, but not alot of wheel spin.... Thanks!