Originally Posted by
RC*PHREAK
like heavyjeff said, we can really only speculate. as far as the fan, i'm not very familiar with speed passion esc's. you could probably send it back, or just replace the fan yourself. as for the battery, the next time you're at the track, ask somebody if you can borrow a battery, run it and check temps.
You may need a higher C rating for that SC setup.
I'm running 25c on a 1/10th scale setup (RSPro/6.5) and it's perfect.
I know my buddies that race SCT's are running the 4.5's, RX8's and 40-50c batteries.