Hobbywing V3 is the best choise, has many adjustments and offers the best setting.
Second choice, surely Hobbywing Xtreme, low price, small size, high performance, easy to setup.
Regarding the engine, GM Pro Stock with 12.3 mm rotor, or Speedpassion V3,(MMM was excessive meccanical timing when used with boost)
Team GMV / RC electric AS Laurenziana
Hot Bodies TCXX - HW Xerun - IP - Spec-R