Contact Jeff at Heads up Rc, he can fit you with a perfect power system, heads up rc is used by a lot of people here, and Jeff has some of the greatest prices and service around
This would be my suggestion on a power system from heads up rc. as not to over power it.
Firepower 110 Sport (6354-03) Outrunner Brushless Motor
This item is in stock
The Firepower 110 Sport (6354-270) is a 16.9 ounce, 270KV, 2100 watt outrunner brushless motor that is roughly equivalent in power to 1.10 two stroke glow engines. It works well with 6 to 10 cell Lipo batteries.