R/C Tech Forums - View Single Post - Buying a D8 Hara looking for a good .21 engine with tuned pipe
Old 03-06-2013 | 10:10 PM
  #52  
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jeromerc
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the standard plug is flat while the turbo is more conical. The turbo is more efficient, and it also makes more power. I would make sure you get a turbo head engine.
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