1 use the dule aluminum cantalever setup with two shocks
2 stock or i believe there called swamp dawgs
3 the lowest possible
engine dump the 24.7 stuff in a four stoke. the produce max power at very very low rpms
.5hp at 10,000 rpms
http://www2.towerhobbies.com/cgi-bin...?&I=LXCNA5&P=7
insted of
2.6hp at 28,000rpms big diff
http://www.globalhobby.com/public/xt...ery/146027.asp