RCU Forums - YS/Saito 20/20 in OS 46FX

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- - YS/Saito 20/20 in OS 46FX (https://www.rcuniverse.com/forum/o-s-engines-support-133/7405301-ys-saito-20-20-os-46fx.html)

ben beyer

04-22-2008 11:33 AM

YS/Saito 20/20 in OS 46FX

I have an OS 46FX that I'm currently running 30% Heli fuel in. I've added two head gaskets to prevent detonation in the engine and it runs great. I recently moved and I'm about to run out of the 30% Heli fuel and the max nitro the LHS carries is PowerMaster YS/Saito 20/20. Should I remove the head gaskets I added to the engine to run this fuel or what should I do to get the most power out of it?

Bax	04-23-2008 09:58 AM

RE: YS/Saito 20/20 in OS 46FX

You can only try and see. The 20/20 fuel has lower nitro, but more oil. More oil makes the engine "see" a slightly-higher compression ratio. If the engine run well as you now have it, leave it as-is. Otherwise, try with one extra gasket. Then with just the regular gasket.

We don't have a "sure" answer. It all depends upon conditions and the particular engine.

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