I pushed this pretty hard this afternoon on the soccer fields - lots of full throttle runs. Here's the current and voltage data (geared for 50mph, lvc set at 3.2V/cell, batteries - 8s Turnigy 40c 5000mAh):
Max power: 3443Watts (= 4.617 hp)
Max current: 124.4Amps
Temps at end of run:
ambient: 80F
esc: 132F (internal), 117F (external)
motor: 160F
batteries: one 4s pack 116F
other pack (actually 2x2s) 128F