353 or SCT
353 is smooth on throttle and has more rpm where as the sct has more bottom in snap. Depending on your track you may need more torque!! Both are great motors. I have both and they both have been very good!! Also try novarossiusa!!
RC AMERICA, HUDY, XRAY, Nexus Racing, Desoto Racing, 301 Raceway(RIP). XRAY T4/NT1 coming for that #1 spot!! AKA-Melvin Aulston