Glow Engines Discuss RC glow engines

saito 91S vs 91AAC?

Old 07-14-2015, 10:29 AM
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Default saito 91S vs 91AAC?

can anyone please tell me the difference (if any) between a saito 91S and saito 91AAC? is the latter just a new model # for the exact same engine?
thank you in advance for your help.
Old 07-16-2015, 02:12 PM
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Saito has only ever produced the FA-91S.

AAC designates the construction of the cylinder and piston. Aluminum cylinder, Aluminum piston, hard Chrome plated. Straight from my box.

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