6.5 i rarely go above a 23 on a large track so if it is a small tight and twisty on with a short straight i would gear down accordingly. start with a 22 like carl says and gear up or down from there. also make sure your air vents are open to maximise airflow across the motor and that you are using a fan on your speedo
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Nathan Ralls HPI, Custom Blitz,
www.piraterc.com mr-o foams
woop woop racing officialy keeping team toe out inline
