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XJ650 carb tuning with the dreaded "pods"

Discussion in 'XJ Modifications' started by willierides, Oct 15, 2007.

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  1. Nickembry

    Nickembry New Member

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    Nickembry, Jun 15, 2016
    #101
  2. Nickembry

    Nickembry New Member

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    Nickembry, Jun 15, 2016
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  3. TheCrazyGnat

    TheCrazyGnat Well-Known Member

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    It says the video is private.
     
    TheCrazyGnat, Jun 15, 2016
    #103
  4. Nickembry

    Nickembry New Member

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  5. Eurotas

    Eurotas Member

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    Why not?
     
    Eurotas, Jun 15, 2016
    #105
  6. Nickembry

    Nickembry New Member

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    Got it. Sorry for all the posts
     
    Nickembry, Jun 15, 2016
    #106
  7. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    A dyno run can't tell you how a vacuum operated carb behaves at speed with pods, unless that dyno is set-up in a wind tunnel.
     
    Last edited: Jun 15, 2016
    k-moe, Jun 15, 2016
    #107
  8. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Do a search for Pumba.
     
    k-moe, Jun 15, 2016
    #108
  9. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Restricting airflow at less than WOT is the when. The same amount as the factory airbox is how much. THis isn't a guessing game. It's a matter of fluid dynamics, and the engineering work was already done almost 40 years ago. Feel free to play around though. Learning is fun :)
     
    k-moe, Jun 15, 2016
    #109
  10. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Your idle is lumpy as hell. It shoud be sewing-machine smooth.
     
    k-moe, Jun 15, 2016
    #110
  11. Nickembry

    Nickembry New Member

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    That was the first start. Havent got it tuned yet
     
    Nickembry, Jun 15, 2016
    #111
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  12. Polock

    Polock Well-Known Member

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    i think "sqlguy" did a micro squirt conversion
     
    Polock, Jun 15, 2016
    #112
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  13. Eurotas

    Eurotas Member

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    Do you know how that turned out for him?
     
    Eurotas, Jun 15, 2016
    #113
  14. Eurotas

    Eurotas Member

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    Eurotas, Jun 15, 2016
    #114
  15. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Pumba

    I would not use, or try to adapt a kit meant for a single cyinder engine. It could work, but there are better solutions.
     
    k-moe, Jun 15, 2016
    #115
  16. MattiThundrrr

    MattiThundrrr Not a guru

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    Enter this in Google:
    Site: xjbikes.com project shadow warrior
    User skylrk62 switches to a Microsquirt system. Also does a bunch of crazy mods to his xj. It's a pretty wild project.
     
    MattiThundrrr, Jun 16, 2016
    #116
  17. Eurotas

    Eurotas Member

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    They have four cyl kits avail...
     
    Eurotas, Jun 16, 2016
    #117
  18. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Well in that case......hmmm....... might be worth looking in to.
     
    k-moe, Jun 16, 2016
    #118
  19. Eurotas

    Eurotas Member

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    Yup! Comes with everything, so I don't have to go doing a pile of research like the other guy had to in order to find an intake manifold that fits. They have all the sensors, wiring, It's pretty much just plug and play! I'm waiting for them to get back to me.
     
    Eurotas, Jun 16, 2016
    #119
  20. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    They have a minifold that fits your XJ, or do they make the kit to fit the factory intake boots?
     
    k-moe, Jun 16, 2016
    #120
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