5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

fuel pressure

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Old 05-13-2008, 05:28 PM
  #1  
91lx50udlose
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Default fuel pressure

what is the stock fuel pressure in a 5.0

if i have mild h/c/i and adjustable fuel pressure regulator should i set it to stock fuel pressure or what?
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Old 05-13-2008, 05:42 PM
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stang8689
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Default RE: fuel pressure

39 or 40
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Old 05-13-2008, 08:32 PM
  #3  
marx91
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Default RE: fuel pressure

stock fuel pressure is #39, i have h/c/i with 24# injectors i run it at #40, but every car is different
so its something you'll have to play with
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