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Thread: Blue Spring Upgrade?

  1. #1
    SoCAPS Member Kerry Warren's Avatar
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    Blue Spring Upgrade?

    Ive heard of the Blue Spring Upgrade but I'm not sure on why it's done, when to do it, or if i should do it. Could you guys please explain this upgrade further for me if anything just further my knowledge it would be greatly appreciated.

  2. #2
    SoCAPS Member domesticdiesel's Avatar
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    Its a parts kit that has an updated regulator spring, valve o-rings gasket and pressure regulator cover. The "Blue Spring" is updated for more consistent fuel pressure. Its located on the engine fuel filter housing. A good time to change it out is when fuel starts leaking from the cover.

  3. #3
    SoCAPS Member Kerry Warren's Avatar
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    Awesome thanks for you help

  4. #4
    SoCAPS Member mmlx89's Avatar
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    Is this a good item to do when running a tuner or other mods as well? Would your tuner need to account for the increased fuel pressure when creating your custom tunes?
    2007 F-250

    6" ProComp Lift
    AFE Intake
    4" MBRP Exhaust
    Garret PowerMax Turbo
    Custom Tunes from Innovative Diesel Performance

  5. #5
    SoCAPS Member
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    Quote Originally Posted by mmlx89 View Post
    Is this a good item to do when running a tuner or other mods as well? Would your tuner need to account for the increased fuel pressure when creating your custom tunes?
    Couldn't hurt but it may not help. Our type of injectors are positive displacement and provide a measured shot unlike more typical injectors that provide open and shut access to the pressurized fuel supply. Fuel pressure is only relevant in that you have enough flow of fuel to insure the injector gets fully refilled during it's cycle. Performance should be the same regardless of fuel pressure as long as the injector gets fully refilled before it fires again. A tuner assumes you have a full injector load available for them to work with. They adjust the amount of fuel that is shot out of the full injector with oil pressure from the HP oil pump and how long the shot (duty cycle) is.

    Enough fuel pressure is good. Too much just makes your fuel pump work harder.

    EDIT: Oh crap... how did I get in the 6.0L forum? Ooops, I'm outa my territory but I'm pretty sure you guys have the same type injectors as us 7.3 guys.
    Last edited by Duzitall; 02-18-2013 at 05:43 PM.
    2002 F350 CC 4x4 PSD, 1975 F250 Crew Cab 4x4 460. Chris Thompson, a SoCAPS and SoCal Biodiesel Users Group member.

  6. #6
    SoCAPS Member F350MudBogger's Avatar
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    I've done it Not hard to change and it helps the truck idle smoother (in my opinion) along with 5-40w Rotella Synthetic oil.

    2013 VW Passat TDI
    2006 VW Jetta TDI
    2006 F250 Lariat 4x4 SB CC 6.0 Arizona Bulletproof EGR cooler & All Aluminum Radiator Magnaflow exhaust 4" lift SCT X3 Diesel site coolant filter Blue Spring & Banjo Bolt upgrades h11 headstuds UCLA Softball powered!
    2001 Excursion Ltd 4x4 7.3 Oxford White Magnaflow 4" exhaust Diablosport tuner 4" lift 33" BFG's
    2001 Honda XR650L

    2009 Ford F250 Lariat 4x4 LB CC (Sold was a bad apple)
    2005 Ford Excursion Eddie B (Sold I kick myself in the rear for doing this)
    2003 Ford F350 CC LB 4x4 40' MTRS 12.5" lift (Sold -Too big)

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