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Old May 18, 2003 | 11:21 AM
  #5  
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Bert
hybrid no more :(
 
Joined: Apr 2003
Posts: 241
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From: Virginia Beach
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the itr head is just a ported b16 head...they are identical...the gsr head does not flow as much as a b16 head but the gsr head gives higher compression...it is said that the b16 head flows as much as 15% more flow than a gsr head...the b16 head is also cheaper..this is why most people go with a b16 head...HTH