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Old 04-04-2009 | 10:13 AM
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From: Fletcher, NC
Default RE: another darn ryobi post (ryobi performance modification, analysis and comparison)
combatpilot said:
I did check the port volume on the two runner cylinder and it has a volume with the two runners together of 2 ml. so that would be a 4 ml port volume altogether. sorry got no way to convert this to cc.
The cylinder witht the one runner port has a capacity of 2.6 ml so that would be a total port volume of 5.2 ml. interesting that my cylinder has the larger ports but yet it dosent repond to the port timming modification.
I'm not sure what your port volume measurement is. How did you measure it and what does port volume mean to the performance of our motors?

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