hyper st gearing

[mini_t racer]

hi looking for some gearing advice iv just picked up a hyper st it/s totaly stock bar the convertion im going to be running a savage flux system 2200kv motor+esc battery wise im planning on running 4s 2x2s 5300mah 30c im only going to be bashing but would like everything to stay cool and have good run times +be able to keep up with the nitro guys or just beat them on the top speed not by much so what gearing do i go for or should i say what gearing do you use on 4s cheers in advance