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URD Fuel Pump Upgrade fittings

Discussion in 'Performance and Tuning' started by FinnJ, Aug 19, 2017.

  1. Aug 19, 2017 at 2:27 AM
    #1
    FinnJ

    FinnJ [OP] Well-Known Member

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  2. Aug 19, 2017 at 7:50 AM
    #2
    Billy182

    Billy182 Well-Known Member

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    I'm not a big fan of the loop either; however, I think a proper length hose between the tank and filter with correct fittings would also be an improvement. When I installed mine a concern I had was ensuring that the filter and hose was installed securely and tucked up above the frame crossmember to prevent the chance of a fire from road debris taking out your filter. I'm still not completely happy with the setup and would love to hear ideas from anyone else who may have thought of something better.

    [​IMG]
     
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  3. Aug 19, 2017 at 8:18 AM
    #3
    FinnJ

    FinnJ [OP] Well-Known Member

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    There seems to be much more space in Tacoma than FJ. Sits better.
     
  4. Aug 19, 2017 at 10:37 AM
    #4
    Billy182

    Billy182 Well-Known Member

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    There's gotta be a better way, perhaps a fabricated bracket that the fuel filter can mount to, and proper length hoses with appropriate quick lock fasteners mounted to both ends of the fuel filter. When I put mine together, I realized that due to the length of the factory tubing that runs from the top of the pump to the filter left me with two choices: either attach and strap the filter and hoses so they hung down below the crossmember, or to bend the factory hose over about 25 degrees and mount the filter and hoses in a safer location above the crossmember and out of harms way. I did have a the concern of crimping or ovaling the inside diameter of the factory hose, but didn't think that would happen because of the stiff structure of the factory hose.
    Ultimately, I think a custom length hose from the top of the pump to a safe location for the filter and hoses would be best.
     
  5. Aug 24, 2017 at 8:04 AM
    #5
    Torspd

    Torspd Tor-nication

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    That is a 5/16" hard line. Just make sure. On the Tacoma it is 5/16". I did a that adapter on mine.
     
  6. Nov 11, 2017 at 3:02 AM
    #6
    loginfailed

    loginfailed Well-Known Member

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    (Copied from the other thread):

    Warning, a pile of Russell fittings ain’t cheap, lol.

    I think this is right. I just woke up and haven’t had my caffeine dosage yet this morning. :pccoffee:

    Starting at the front of the truck (engine side):

    640863 -6an male to 5/16” female
    https://www.amazon.com/dp/B001P29076

    614805 -6an male to female 90*
    https://www.amazon.com/dp/B003CGY9S8

    640003 black straight swivel coupler
    https://www.amazon.com/dp/B001DSV408

    640863 -6an male to 5/16” female
    https://www.amazon.com/dp/B001P29076

    Filter (Wix 33296, Napa Gold 3296)
    https://www.fleetfilter.com/filter/33296.html

    640863 -6an male to 5/16” female
    https://www.amazon.com/dp/B001P29076

    614805 -6an male to female 90*
    https://www.amazon.com/dp/B003CGY9S8

    614805 -6an male to female 90*
    https://www.amazon.com/dp/B003CGY9S8

    610025 -6an full flow hose end (straight)
    https://www.amazon.com/dp/B004OT5ZHQ

    632050 -6an braided hose
    https://www.amazon.com/dp/B000CPIJCY

    610165 -6an full flow hose end (90*)
    https://www.amazon.com/dp/B004OT47TI

    640930 -6an male to 5/16” male
    https://www.amazon.com/dp/B003CGSUL0

    There are probably many other configurations you could come up with. These fittings are like LEGOs. You can build just about anything you can dream up.
     
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  7. Nov 11, 2017 at 4:29 AM
    #7
    loginfailed

    loginfailed Well-Known Member

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  8. Nov 16, 2017 at 2:17 AM
    #8
    Biscuits

    Biscuits Thorny Crown of Entropy

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    Swiggity swangin' biggity bangin'
    Early morning thought: I wonder if you can use hard tubing and compression fittings to connect everything. Maybe something like 0.5" 316SS with 5/16" reducers and full port ball valves up and downstream of the filter for quick and easy replacement or cleaning.
     
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  9. Nov 16, 2017 at 3:04 AM
    #9
    Key-Rei

    Key-Rei Well-Known Member

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    I just installed the URD upgrade, also looking for a more permanent and clean installation. Otherwise very happy with the upgrade, it definitely made a big difference. Seems to have improved MPG throttle response and taken care of the lean condition code I was throwing at WOT.


    @loginfailed
    The question I have is, did you replace the entire high pressure fuel line from the filter forward?

    If not where did you begin and end your russell fittings?
     
  10. Nov 16, 2017 at 3:21 AM
    #10
    loginfailed

    loginfailed Well-Known Member

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    There’s a connection just in front of the fuel tank. Start and ends there.
     
  11. Nov 16, 2017 at 3:50 AM
    #11
    Key-Rei

    Key-Rei Well-Known Member

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    So you're still having a large loop there just with AN lines and fittings? Is it feasible to replace the high pressure line from the rail back to the filter to the stock tank outlet clip? Or splice the line somewhere along it's run to keep everything inline?
     
  12. Nov 16, 2017 at 4:12 AM
    #12
    loginfailed

    loginfailed Well-Known Member

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    It’s a loop, yes.

    With -an fittings and braided lines you could do whatever your heart desires with the fuel line.

    I don’t see a reason why a little loop is hurting anything. It’s still 43psi at the rail according to my gauge.
     
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  13. Nov 16, 2017 at 4:27 AM
    #13
    Key-Rei

    Key-Rei Well-Known Member

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    I'm not worried about it hurting anything, I'm just more interested in removing the loop, just a cleaner install overall with less futzin when it's time to chance the filter in 60k. Make a 20min job a 2 min job by spending 2hrs on a mod you know? :D

    I guess I don't see much point in spending the money on the fittings couplers and hoses when the ultimate form factor, the loop, is still in play.
     
  14. Nov 16, 2017 at 5:41 AM
    #14
    Torspd

    Torspd Tor-nication

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    @loginfailed , could you post the picture of your fuel filter setup in here as well, please.

    The reason he did his specific setup, from my observation, is that now it takes mere seconds to replace the fuel filter. With OEM style connectors, clip on, clip off. Easy. A little more investment saves a lot of time.

    I will add this though. Some flow data of the filter which comes with the URD kit, showed it to be around 277 lph, if I remember correctly. Swapping to a 3/8" in/out fuel filter (easy enough with 3/8" fittings) might help improve fuel filter flow. Possibly a different filter as well.
     
  15. Nov 16, 2017 at 5:44 AM
    #15
    Torspd

    Torspd Tor-nication

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    The hardline requires more tools and is a little less forgiving to work with, but could work none the less. Like loginfailed mention, it all depends on what you want to do.

    I didn't use hard line, but I did upgrade my outlet to a -8AN line, going to the fuel rail. The fuel rail is also a -8AN. The outlet of the fuel pressure regulator is a -6AN. I want to upgrade that to -8AN in the future.

    -6AN is congruent with 3/8"
     
  16. Nov 16, 2017 at 5:49 AM
    #16
    Torspd

    Torspd Tor-nication

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    How creative do you want to go? Don't let anyone stop you.

    20150305_184246_zpswsqmvqnd.jpg 20150109_164141_zps4fcpcpej.jpg 20150109_161013_zpsnobhttdh.jpg
     
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  17. Nov 16, 2017 at 9:25 AM
    #17
    loginfailed

    loginfailed Well-Known Member

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  18. Nov 16, 2017 at 12:13 PM
    #18
    FinnJ

    FinnJ [OP] Well-Known Member

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    Last edited: May 1, 2018
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  19. Nov 16, 2017 at 12:14 PM
    #19
    Biscuits

    Biscuits Thorny Crown of Entropy

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    Why AN or Russell fittings over another type of fitting?
     
  20. Nov 16, 2017 at 12:27 PM
    #20
    loginfailed

    loginfailed Well-Known Member

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    I didn't like the way it all fit up in there with the rubber hose, and didn't like zip ties holding the fuel filter to the truck. The way mine is set up it easy to change too. No hose clamps.
     
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