R/C Tech Forums - View Single Post - What pipe for an O.S. Max 21Vz V-spec

12-19-2008, 07:53 AM

#10

PTP Racing

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2050 for bottom end and best mileage
2035 for mid to top end
2060 for smooth bottom and good top end

Those are all the pipes Ive tried on mine and how they ran. JP-3 is also suppose to be good but sacrifices a little fuel economy.

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