Guys we run 10 minute mains at our local 1/8th tracks so I'm concerned about run time with my Tekin Pro4 4000/RX8 setup. My truck hasn't arrived yet so I don't know how large a pack I can fit. This is the pack I want:

http://www.rcplanet.com/Orion_Carbon...p/ori14042.htm

Can anyone comment on the fitment of this pack?