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Old 04-23-2011, 12:25 PM
  #4  
sarpet
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Default RE: Russian MAC 60 opinion
you need original extreme noisy russian pipe

.40mac runs all day long 18000rpm with fai fuel and apc 8x8 9x7 9x6 prop, but is very difficult engine to get run properly and NOISY
iuse it in pylon plane mid -90 perry pump and super tigre carb.

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