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    1. 08-28-2006 #1
      acadian
      acadian is offline Registered User
      Join Date
      Jul 2006
      Location
      laval, quebec, canada
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      25

      maximum fuel pressure ?

      hi guys,

      i would like to know, what is the maximum and safe fuel pressure for a holley or demon carb while still allowing the stock viton needle and seat to do their job ?

      thanks

      1963 Acadian Beaumont Sport Deluxe
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    3. 08-28-2006 #2
      ProdigyCustoms
      ProdigyCustoms is offline Banned
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      Aug 2003
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      Orlando, FL
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      8,745
      7 1/2 lbs
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    4. 08-28-2006 #3
      LowBuckX's Avatar
      LowBuckX
      LowBuckX is offline Registered User
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      Aug 2004
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      honestly you will only need 4-6 psi as long as your pump can flow alot of volume at 4-6 psi
      Nothing says "I built this" better than tool marks and dykem blue..

      Follow my 3 link build. https://www.pro-touring.com/forum/sh...ad.php?t=61592
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    5. 09-06-2006 #4
      RobM
      RobM is offline Registered User
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      830
      think gph not psi.
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    6. 09-07-2006 #5
      Tech @ BG
      Tech @ BG is offline Registered User
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      Feb 2006
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      82
      On a standard .110" Viton N&S you'll want to be between 6-1/2 and 7-1/2 PSI. Smaller N&S will hold back a little more pressure, while larger N&S will not like as much pressure.
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