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Old 03-24-2006 | 08:06 AM
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Sport_Pilot
 
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From: Acworth, GA
Default RE: Why only OS FS in SPA?

Ed,
Thought the newer Magnums were more powerfull, from reading the Tach reports. Now getting above 10,000 with a 14-6 prop. Also the Saito 91S is getting in or close to that range. Someone said the S version has a hotter cam?

How bout using the Magnum with an OS valve cover? LOL