Increasing fuel pressure - Ford Powerstroke Diesel Forum
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Old 02-01-2014, 11:39 AM
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Increasing fuel pressure

My truck is basically stock and I'm rebuilding fuel bowl, is there any benefit changing out the spring to increase fuel pressure without any mods or tunes?
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Old 02-01-2014, 03:11 PM
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Even with tunes it doesn't make a real difference...

In these engines the Fuel Pressure has no effect on Injection Pressure, it's more of just delivery to the system that does the actual injection. So, no, I'd leave it alone
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Old 02-01-2014, 03:33 PM
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Some people saying it may idle smoother and quieter?
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Old 02-01-2014, 06:47 PM
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Rather than change it. I just stretched mine out. Mine does seem to be quieter and smoother. Maybe its in my head lol but stretching it made me feel better


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Old 02-02-2014, 05:53 AM
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Quote:
Originally Posted by Carolina444 View Post
Some people saying it may idle smoother and quieter?
I bet those guys have split-fire plugs, a magnet on the fuel line, and a Turbolator in the intake of their gas cars too

It's always amazed me how people can delude themselves and are So Sure they have made an improvement on the choices they've already made....

Look, it can't hurt, try it! But I'm tellin' ya, the system is in No Way "starved" for fuel at the stock pressure
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Old 02-02-2014, 07:13 AM
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its just an issue at WOT if you cant keep fuel pressure up.
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Old 02-02-2014, 07:16 AM
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Guess I need to get my gauges installed to see where and what my fuel pressure doing and then make the changes if needed
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Old 02-02-2014, 07:24 AM
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once you have your chip watch fuel pressure at WOT if it drops too much (less than 50 psi) i would get atleast the billet fpr housing from dieselorings. it comes with 3 fp springs that raise fp.
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Old 02-02-2014, 07:34 AM
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Ok cool thanks
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