R/C Tech Forums - View Single Post - 2017 OS Speed R2103 3.5cc Nitro On Road Engine
Old 08-16-2017 | 03:38 AM
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ralphierace13
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Originally Posted by VS_Rody
We tried many times 9-ports in several configurations but no real advantage over the 7-port.
sorry forgot to ask does it use more fuel?
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