Castle Creations motor and ESC combo recommendations for the Team Associated SC8.2e

Monster X w/1515-2200kv - 17T Pinion / 46T Spur on 4s = ~35MPH
Cobra 8 w/1515-2200kv - 15T Pinion/ 46T Spur on 6s = ~45MPH
Monster X 8s w/1520-1650kv - 16T Pinion / 46T Spur on 8s = ~55MPH

Note: All speed estimates are with stock tire diameter, high quality batteries and appropriately sized battery connectors.
Always monitor ESC, motor and battery temperatures on new setups or when changing gearing or batteries.