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Old 05-12-2009, 06:54 AM
  #6  
tcarda
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MASTER BUILDER
 
Join Date: Aug 2003
Location: Big Lake, Minnesota
Posts: 162
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From what I understand it is a weight issue on high rpm engines. On my BBC I have titanium 2.400 intakes and stainless 1.84 exhaust and the stainless exhaust valve is heavier than the titanium intake valve. I also run mine between 8000-8200 rpm.
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