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Old 06-23-2017, 11:17 PM   #1
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hi everyone im starting to run the USGT class my car is a cyclone s with a speedpassion 21.5 and a fdr of 2.43 i would like to know a combination of spur and pinion for a fair top speed, can anyone help me? can be either 64p or 48p!
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Old 06-24-2017, 03:32 AM   #2
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depending on track length I would say that 60/34 or 35 would be a safe start.
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Old 06-24-2017, 04:22 AM   #3
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Quote:
Originally Posted by ospower View Post
hi everyone im starting to run the USGT class my car is a cyclone s with a speedpassion 21.5 and a fdr of 2.43 i would like to know a combination of spur and pinion for a fair top speed, can anyone help me? can be either 64p or 48p!
At my local track we are running anywhere between 3.8 and 4.0 fdr. Personally, I'm running 96 spur and 46 pinion 64p with and frd of 3.97.
Best of luck.
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