R/C Tech Forums - View Single Post - Buying a D8 Hara looking for a good .21 engine with tuned pipe
Old 03-23-2013 | 12:14 PM
  #75  
Optimumrun
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Joined: Feb 2013
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Oh.....the B6 is a 5 port!!! My bad!

Ok....so now I know,

B2 is a 3 port

B5 and B6 are a 5 port engines.
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