You may consider the speeds you are going for will be a key factor in project.
yea I was looking for about 50MPH, im still messing with the math and if the out runner needs gear reduction?? im guessing it does need it:( Seems kind of like this is a little bit of unchartered territory?
Size and weight will be a large factor of a direct to diff outrunner project. Let me know the intended tire size, vehicle length/weight and prefered cell count and I will attempt to make a suggestion. Any other info will be useful too.