RCU Forums - engines

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DRUMBOY

09-10-2010 11:34 PM

engines

Witch is the stronger engine os91 4c w/ pump or 20cc gas? 91 output 1.6 dl20 2.5 for a p51 mustang 65.5 span.

WCB	09-11-2010 06:21 AM

RE: engines

According to your numbers the 20cc.

scale only 4 me

09-11-2010 07:27 AM

RE: engines

I have several OS 91fs engines, great engines, but I wouldn't use them on a 65" span mustang, a 120 yes.

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