alvin l nunley
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More information would be helpful. Peak RPM? (With each gear) Clutch stall RPM? Meaning; holding the brakes while you rev the engine to maximum RPM. Do you have any dyno information from the builder? How much driving experience do your daughters have? Does the track have practiced days? Do you have a stopwatch? It might be a little overwhelming right now, I know it was for me when I 1st started, but time and a lot of practice will go a long way in helping you get better results. Very very few have gotten the basics down in their 1st year! In my case, it was 3 years.