I used this one for my conversion...it is for a Mugen, but it may still work
http://www3.towerhobbies.com/cgi-bin...?&I=LXRAC7&P=7
1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S