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Old 11-04-2011, 03:53 PM
  #4220  
asw7576
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I have two sydney kangooroo .21 engine, 7 ports.

After original p/s/r is dead, is it okay if I replace it with 9 ports ? ..... ( they have the same bore x stroke )

Im thinking of using 9 ports from 35plus 21 or 21 flash.
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