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Old 03-05-2013 | 06:34 PM
  #5096  
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beidle99
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Originally Posted by Guillermito
The 7mm? Not very big?
I have found that on the older carbs, and most track conditions the 7 is the ticket. If it is a a high traction track and fuel mileage isn't an issue the 7.5 is good
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