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Old 03-08-2007, 11:57 PM
  #6  
kmtranmd
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Default RE: Magnum 52 XLS

I got only 14,500rpm on apc 9x8 and Powermaster 15% on my Mag52 with Jettstream muffler. Bearings in mine lasted only 15 flights. Not nearly as durable as OS46 with same setup.