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Old 04-27-2010, 08:14 PM
  #4  
cepx111
Senior Member
RACING JUNKIE
 
Join Date: May 2006
Posts: 2,044
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With a set of "good heads" a 50-70- gain is not unheard of.

If cast iron is your route of choice, I highly recommend the Dart iron eagle platinum series head.


Cp
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