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Old 07-21-2010 | 09:09 PM
  #6  
jdesoto
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Joined: Sep 2004
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Originally Posted by motojon
I mean r they like the 35+ engines or Flash .21
The .21 engine come with 14mm crank or 14.5mm like 35+ & Flash.

14mm

http://www.serpentamerica.com/shop/p...&cat=81&page=1

14.5mm

http://www.serpentamerica.com/shop/p...&cat=81&page=1

14mm gives a little more bottom end
14.5mm more top end

Both compare with Flash Special Tuned
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