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Old 06-05-2008, 11:44 PM
  #24  
ima400
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Join Date: Jan 2008
Location: sydney ausralia
Posts: 17
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i cant see why a 406 with 227 cc heads wont work . ive got a 414 with these heads , made 675 hp on dyno , run's 9.26 @ 143 mph in a 2780 pond car
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