I think 10.5 is PLENTY for the SC10's stock tyres, you would need crazy skills to drive anything faster.
If you run an SC10 meeting at Hereford or Ledbury? then I am definately in, dates permitting.
I'd like 8 minutes, but I here what your saying Mark, a stock RTR spec motor probably wouldn't make 8 minutes on a grass track. Maybe try 6 or 7 minutes and see how that goes.
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