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Old 02-23-2005, 08:50 PM   #1
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Default low top speed?!?!?!

I just built an MRX-3 that has a REX 321P in it. I broke the motor in, but I am still only getting 55 - 60 MPH out of it. Does anyone have any ideas of why it is not getting up to 75 or higher?
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Old 02-23-2005, 08:53 PM   #2
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uumm...gearing?
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Old 02-23-2005, 09:41 PM   #3
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gearing, tire size, engine tuning, tuned pipe, track not big enough.
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Old 02-23-2005, 10:52 PM   #4
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Good Luck with that, The fastest car at the Paris Memorial in October was 68mph done by certified radar gun.
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