Fuel Pressure Relief Housing Spring?? - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 10-20-2012, 04:06 PM Thread Starter
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Fuel Pressure Relief Housing Spring??

What is the benefit or effect of using a higher pressure spring on your fuel bowl?


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post #2 of 11 Old 10-20-2012, 04:55 PM
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To increase (or rather maintain) fuel pressure at high fuel demand.
When at WOT you will use more fuel, pressure will drop. Using a higher pressure spring helps maintain the fuel pressure in the safe zone of 60-70psi

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post #3 of 11 Old 10-20-2012, 05:44 PM
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This is assuming your having a pressure issue.

It is NOT a performance mod.

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Quote:
Originally Posted by CSIPSD View Post
This is assuming your having a pressure issue.

It is NOT a performance mod.
Its a supporting mod.

- Trey
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Phoenix 6pos (Stock, 65dd, Whisper, 100p, 120r, 80t), 6637 Intake, RR-IC Boots, OEM Black CPS, DeFoiled, 08 Tail Lights, MBRP TB 4" w/ muffler, Firestone load bags, 05+ Tow mirrors, Custom Flag Mount


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post #5 of 11 Old 10-20-2012, 07:18 PM Thread Starter
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Quote:
Originally Posted by CSIPSD View Post
This is assuming your having a pressure issue.

It is NOT a performance mod.
Since I am rebuilding the fuel bowl and have the three springs to choose from, would it be best to use the 50psi or 60psi or 70psi?


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post #6 of 11 Old 10-21-2012, 11:42 AM Thread Starter
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I went ahead and used the middle silver spring 65psi.


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post #7 of 11 Old 10-21-2012, 11:58 AM
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Quote:
Originally Posted by tallyF350 View Post
Since I am rebuilding the fuel bowl and have the three springs to choose from, would it be best to use the 50psi or 60psi or 70psi?
Quote:
Originally Posted by tallyF350 View Post
I went ahead and used the middle silver spring 65psi.
The correct thing to do would be check your fuel pressure. Right now you could have anywhere from 40psi to 100+ psi. You dont know.

01 F-250 SC PSD,320k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100 from P.I.S, Studs, 910 springs, Forged rods, Water injection,Hydra chip-No Limit/Gearhead tuning, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #8 of 11 Old 10-21-2012, 04:53 PM Thread Starter
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Quote:
Originally Posted by CSIPSD View Post
The correct thing to do would be check your fuel pressure. Right now you could have anywhere from 40psi to 100+ psi. You dont know.
How do I check fuel pressure? I have a Edge Evolution on the way; will this show fuel pressure?


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post #9 of 11 Old 01-09-2013, 07:30 AM
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i had the same one or have rather and the highest spring it came with shot up over 100 psi as soon as i hit the key i run the middle one puts me right at 74psi but like stated before i wouldnt go chancing anything without a guage they sell a fuel bowl adapter that gets you to standard pipe thread then just screw in a guage or fuel pressure sending unit that will work with your monitor either way you will need the adapter i believe i got mine from the diesel orings site aswell

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post #10 of 11 Old 01-19-2013, 11:56 PM
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Fuel pressure is a performance modplus it removes air and vapor from the fuel for a better burn. For $10.00 fom Dave at DI you can put his kit on with an exturnal reg. so you can try it where ever you want in a split second. I've run from 2 to 150psi in mine you will see how it changes.

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