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Old 02-04-2002, 04:22 PM   #1
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Default TC-3 gearing the P2K2 motor

I have a Associated TC-3 touring car and a Trinity P2K2 stock motor , how do I gear this motor with a 72 tooth 48p spur gear ? Im running on a Med/large asphalt track . any help would be greatly appreciated.
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Old 02-04-2002, 04:25 PM   #2
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try between 26 and 28. that should give a nice starting place.
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Old 02-04-2002, 04:27 PM   #3
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And when in doubt, always start with a small pinion. Better to have a slow car than a burnt motor on the first run of the day.
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Old 02-05-2002, 10:34 AM   #4
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At present I'm running 100/35, 64 pitch, that works out to 7.14. 72/25, 48 pitch, which works out to 7.20.
Hope that helps.
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Old 02-06-2002, 09:45 AM   #5
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25 sounds about right. We geared our GM3 at 72/24 to start and it was right on.
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Old 02-06-2002, 10:10 AM   #6
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I ran a pretty large track last year, and on a P2K I ran 30/72. I ran 28/72 on the same track with a GM3. I'd start with about a 26-27 and go from there.
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