JBR under car piping video.

Discussion in 'Mazdaspeed 3 General Discussion' started by Faeker, Feb 13, 2016.

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  1. f1puertorico

    f1puertorico "I hate when I drop nuts" Greenie Member

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    Doesn't looks worst than any OEM boost hose... Don't like the fact that the hose its too long and its subject to substantial flex. That could be an issue if its start rubbing metal.

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    f1puertorico, via a mobile device, Feb 14, 2016
    #21
  2. Easter Bunny

    Easter Bunny Professional Engineer Motorhead Platinum Member

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    Easter Bunny, via a HTC device, Feb 14, 2016
    #22
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  3. Raider

    Raider Administraider Administrator Platinum Member

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    It's obviously happening. Now if we keep the tune, swap it for say a treadstone kit, would be good to compare hp gains/losses as well as air flow.


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    Raider, via a mobile device, Feb 14, 2016
    #23
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  4. Redline

    Redline I done fucked up for the last time. BANNED Greenie Member

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    Indeed. The question is, will that "balloon-cycling" eventually lead to a failure, or is it okay for normal operation over an extended period of time?
     
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  5. f1puertorico

    f1puertorico "I hate when I drop nuts" Greenie Member

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    [​IMG] this could be a solution.
     
    f1puertorico, via a Nexus device, Feb 14, 2016
    #25
  6. Beans

    Beans Greenie Member

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    Is there a particular reason it needs to be silicone? Why can't it all be aluminum?
     
  7. f1puertorico

    f1puertorico "I hate when I drop nuts" Greenie Member

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    No idea... Cuz "low bats"???

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    f1puertorico, via a mobile device, Feb 14, 2016
    #27
  8. Easter Bunny

    Easter Bunny Professional Engineer Motorhead Platinum Member

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    Ease of manufacture and flexability to accomodate multiple setups.

    Unfortunately repeated cycling of the material can lead to failure.
     
    Easter Bunny, via a HTC device, Feb 14, 2016
    #28
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  9. Redline

    Redline I done fucked up for the last time. BANNED Greenie Member

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    The visual effect alone is unsettling. I'm just hoping I have unobtanium silicone on this thing.

    The funny thing is, I took a while isolating my cold pipe with some zip-ties to give the coolant line a lot of extra clearance. Seeing how it moves, though, makes me thing my effort was probably in vain.
     
  10. Gandalf

    Gandalf Greenie Member

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    I have the JBR one piece cold side. Subbing.
     
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  11. Faeker

    Faeker Greenie Member

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    he did
    [doublepost=1455477268][/doublepost]
    he blew the cobb one
     
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  12. Redline

    Redline I done fucked up for the last time. BANNED Greenie Member

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    You know, it occurs to me that silicone couplers are seeing my pressure (25 psi) and greater all the time in these mostly aluminum piping kits. The thing is the runs are much shorter, so you don't see this dramatic ballooning visual effect. In terms of durability, 25psi on a 90-degree elbow coupler that 8" long is the same as 25psi on the JBR coldpipe, right? 25 psi = 25 psi?? Pressure is omnidirectional, after all.
     
  13. Raider

    Raider Administraider Administrator Platinum Member

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    I donot think anyone truly expected to see zero expansion. But to see if it causes loss of power/flow would be good info to have.
     
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  14. Beans

    Beans Greenie Member

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    Flow won't change much don't think it's a big deal. It ballooning that much is pretty scary, and figure it doing that how many times through wot over time probably wears the silicone.
     
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  15. Gandalf

    Gandalf Greenie Member

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    I'm not concerned about power lose or lag but over time I believe the repeated expansion will lead to failure.
     
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  16. JgamB

    JgamB Greenie Member

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    Jamie replied on FB somewhere that it was tested to 40psi for prolonged periods of time and that the inflation generally doesn't increase any more than what you're seeing here beyond 18psi.

    I spose I'm going to find out.
     
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  17. Faeker

    Faeker Greenie Member

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    I don't think expansion over and over again would help with the parts life expectancy.
     
    Faeker, via a mobile device, Feb 14, 2016
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  18. Redline

    Redline I done fucked up for the last time. BANNED Greenie Member

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    I hear ya, but how would this be any different than the forces silicone couplers see in primarily aluminum kits? I think the only real difference is since there's so much continuous silicone, the expansion looks more dramatic.
     
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  19. blackms3_71

    blackms3_71 Greenie Member

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    How is silicone effected by temps? Say today, it was 0 degrees here in n.j. And i start my car it warms up amd i do some pulls. Would it still expanded the same? Crack? Pop? Just seems crazy to see that happen.
     
    blackms3_71, via a mobile device, Feb 14, 2016
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  20. PoonFlavoredTang

    PoonFlavoredTang Greenie Member

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    keep in mind it was pretty cool in there. If this is a hot summer day that silicone would be expanding even more. Notice how much it moves going towards the throttle body. It's already a tight fit there and could likely rupture on something.
    [doublepost=1455492957][/doublepost]
    Silicone doesn't get brittle. However, it'll become more elastic as the temperatures increase. How much would this "blow up" during August versus February is the question. Then throw in more pressure.
     
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