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Old 12-24-2008 | 03:39 PM
  #51  
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KWT-NITRO
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hi guys,
just got my XXL3 yesterday and i did the break in today.....First XXL3 to hit the track here in Kuwait.
i have a small question, i run 30% nitro fuel, shall i keep the shimming as from the factory? if not, how much should i add to run it safely with the 30% nitro, i did the break in without changing a thing....

cheers

Ali
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