Look what I found. I was looking at some electric bikes and holy crap wtf!?!!
Now they didn't just use the a123 pack to start the car. The car would not start. The guy attached a 4s1p a123 2300mah pack to the battery like a jumper battery thing. It works like a charm.
http://www.youtube.com/watch?v=qcvmvrmTMMk