os .21 xz-b + Nitro Content

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Old 03-30-2011, 11:42 AM
  #1  
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Default os .21 xz-b + Nitro Content

hi,
Which is the right nitro fuel content for os xz-b engine, taking into consideration that during the summer the temperature in the tracks that i race is reaching 40 degrees celcius.

I am using so far 25% on my old engine...

Also which pipe is compatible with this engine except OS 2060 & mugen 2040?
Novarossi 9901 is compatible ?
I do not want to spend a lot of money on a pipe for club racing.
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Old 03-30-2011, 03:10 PM
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Default OS

I've ran OS engines a long time, there exhaust protuct have worked very well on all of my VZ-B I've either ran a 2050 or a 2060. here lately with all the new pipes that have come out I have tryed the losi RE10 and the RE11 and found them to be very close to the OS pipes Performance..IMO. they work very well and as far as nitro content. thats kinda one of those deals of are you racing your engines or would you like a long life out of your engines? I run all my engines on 30% for the prorformance. and thats my IMO also. Hope this helps a little..........Bill
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