Mate i would do the math on the V3. It is only rated for 120A, and considering your motor will pull 200+ amps on 6s i would hate to see you sending two speedies off for repair in the same week. Yeah hopefully you will get your speedy back from MGM soon. Not to rain on your parade but when i ordered mine from them it took 3 weeks to get to me
. so your probably looking at about 8 week turn around