I'd just assume stay with the same size tires and wheels. Just not completely sure what size those are.
Are these the stock tire?
http://www3.towerhobbies.com/cgi-bin...?&I=LXJG97&P=7
or is it these?
http://www3.towerhobbies.com/cgi-bin...?&I=LXMJF0&P=7
I like these wheels also are they the stock size?
http://www3.towerhobbies.com/cgi-bin...?&I=LXVBZ9&P=7
There are so many different sizes that say for E-maxx it's confusing. The same wheels above but 17mm say for E-maxx.