I have owned both of those I bought the original rc10 in 1985 then the javalen on the same day it hit store shelves in 86. The roll cage was just to much to resist so I begged my mom so hard that at one point I was dragging her back into the hobby shop by her coat!! Anyway sorry about that...what was your question? O yea brushlees system...keep it mellow dude mm 4600 on 2s.