I got one of my MMM's up and running this morning in my Jammin CRT. Click on the pic below and it'll take you to some more info, including a video:
FWIW, about 10 minutes running hard in the street with hard acceleration and hard braking. Temps were as follows:
Motor: 126F
ESC: 105F
Batts: 103F
Ambient Air: 86F
Gearing: 13:62