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Old 07-19-2004 | 06:49 AM
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Khizer
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From: Lahore,
Default OS 91 FX vs OS 91 SX-H SC
Has anybody tried OS 91 SX-H SC in a patternship? As the best 90 size heli engine it a more powerful than 91 SX and has a 3 needle carb.How does it compare to 91 FX? I think its carburetion would be much better than 91 FX.Any thoughts guys?
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