ST-R Brushless Help!!!????

[str8up]

K i want to thank everyone for the advice it is nice to know there are still people out there willing to help fellow rc'ers. I am going to run the MM with a 8XL and a 4 cell lipo. I will play with gearing to get it the way i want it to perform.
One last question.
should i get 2 of these
http://maxamps.com/proddetail.php?pr...o-6000-74-Pack
or one of these
http://maxamps.com/proddetail.php?pr...-6000-148-Pack
I think two would be better so you could even the wieght out but will have to charge sep and balance sep.
one more weight to one side but can charge as one and balance as one and less wires (no y connector needed)
Let me know what you all think? Thanks