dont use nova plugs, and no OS plugs in the engine either, to hot for nova, run OD or McCoy. also on pipe the dynamite 053 or 086 will be the pipes to get for Nova, i personally love the 053. im getting almost 10 min in my buggy with the nova sport engine, the 21 BF limited runing the 053 pipe, O'donnell 99 plug but i do have an O'donnell cooling it helps alot!