well i ran the MMP in my 1/8 buggy D8 and all i can say is WOW ! smooth and fast no heat problems what so ever ! here is my set up
MMP
castle 2200kv
hyperion 4s 5000 g3
15t pinion
50 spur i think what ever stock is
the motor never got up past 100 and the esc would come off at 115ish after 7min
hats off to castle you guys did a great job !