Originally posted by cyba888
What percentage fuel do you use for break in? BTW here is a pic of the track I race at here in Taipei. Sorry for the quallity, it was taken from my pda/phone camera 
that's nice, which phone was it that took the picture?
as for the fuel, i personally use 20% because i think it burns cleaner but i think most people uses higher percentage as high as 40%. your engine will last longer with a lower percentage nitro but will run a little hotter and less powerful.