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    1. #5
      Join Date
      Nov 2002
      Posts
      205

      Psi

      My 99 GMC 350cid with 65k on it at temp idles at 750rpm with a reading of 25psi. I increased it at 1000-rpm intervals up to 3750, static (sitting) and dynamic (driving) the increase in pressure went to around 45 psi.



      In this case about 6.5psi for every 1k rpm increase.
      `O~O> shirtless





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