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Old 07-25-2009 | 07:52 PM
  #308  
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EscapeFlyer
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Default RE: Goldberg Extra 300

Dobra

15% will not hurt your OS straight out of the box. You'll pick up a couple hundred RPMS and it will idle smoother.

Is you'r OS a 91? If it is, I wonder if a 15X8 is a bit much(for break-in).

What's the recommended break-in prop? I think my Magnum 91 4banger was a 14X6 or 8.

-Me