RCU Forums - View Single Post - Engine for GP Ultimate? OS61FX too much??

01-09-2004 | 05:45 PM

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Chuckr53-RCU

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From: Reston, VA

RE: Engine for GP Ultimate? OS61FX too much??

I'll be using a new YS63FZ on mine. Lighter and stronger than the OS61FX; a little heavier than the Saito 72, but stronger. I have read a thread somewhere in RCU about at least one person using a Saito 91 in their GP Ultimate.

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