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Old 10-07-2010, 09:38 AM
  #3  
curtisreed
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Join Date: Feb 2004
Location: KIEFER, OK.
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But not as easy as from a 18° motor. We have a 406 that made 705hp with 23° heads and it has had quite a bit of port work on the heads and intake, 15-1 compression on alcohol, with a pretty aggressive cam.

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