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valve guides

  1. 1996 - 2004 Mustang GT
    is it worth it to buy ? or the oem valve guides will do fine for boost !!? i got the mmr 1000 4.75 stroker kit with MHS stage 3 ported pi heads. precision 7675 turbo .96ar. aiming for 18-20 fp of boost 700-800whp. all parts yet not installed , so just asking if i must change the valve guides...
  2. 1996 - 2004 Mustang GT
    I have a friend that has just purchased a set of Trick Flow 185cc Track heat modular heads (150lb springs). He is about to send the heads to have the powdered metal guides replaced with bronze units. Brian Tooley and I had this discussion before. In his opinion, and mine a person would be...
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