as said wait for the brca list to avoid extra expendature if you can. having said that as you are doing tc racing there is a 08 tc lipo list so any from there and the higher the c rating the better. as for cars, have a look at your local club to see what is going well, having said that the tamiya has just won the worlds. at my local track the xray looks very good and they have just released the 09 which looks a very good piece of kit
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Nathan Ralls HPI, Custom Blitz,
www.piraterc.com mr-o foams
woop woop racing officialy keeping team toe out inline