Just a Few Questions

[maxair45]

Its -15 by me and the gas in my car is still frozen so I decided to get some wrenching done. I've got almost everything set for my bl buggy but I have a few questions.

-I've seen some people run the motor diectalyy to the diff instead of going through a trans. What are the benefits?

-I'm planning on running a Medusa Afterburner motor with a MMM esc but I am unsure on how many cells to run. Any reccomendations?

-I'd figure it'd be a lot cheaper to run 2 2s or 3s packs but how do I connect them to run together(ie 2 2s 5000 MaH batterys how do I connect them to run 1 4s 5000 maH).

Any other things that i should know about these systems will appreciated greatly.

Thanks