1. Hello Guest. You have limited privileges and you can't "SEARCH" the forums. Please "Log In" or "Sign Up" for additional functionality. Click HERE to proceed.

should i or do have reject

Discussion in 'XJ Technical Chat' started by dtgivens77, May 18, 2012.

  1. dtgivens77

    dtgivens77 New Member

    Messages:
    27
    Likes Received:
    0
    Trophy Points:
    1
    Location:
    illinois
    I took the factory airbox out and put in 4 pod filters. Do i need to put in a stage 3 jet kit. The problem is dyno jet dont make stage three for the xj700. I loomed on their page. They have them for the 650 & 750. What do you think or any suggestions?
     
  2. KrS14

    KrS14 Active Member

    Messages:
    1,642
    Likes Received:
    9
    Trophy Points:
    38
    Location:
    St Marys, Ontario
    Read all the posts on here about NEVER taking out your air box, before you go and do it...

    There is no kit for pods. You do it trial and error and HOPE you get it close to running right.
     
  3. scubaroboto

    scubaroboto Member

    Messages:
    35
    Likes Received:
    0
    Trophy Points:
    6
    Location:
    Connorsville WI
    Listen to these guys, I wish I had done the research before I cut mine into pieces...
     
  4. Orange-n-Black

    Orange-n-Black Well-Known Member

    Messages:
    2,210
    Likes Received:
    30
    Trophy Points:
    48
    Location:
    Memphis Area
    Use the airbox to carb boots as a velocity stack for the pods like streetbrawler750 did. You'll still probably do some jetting, but the stack method works.
     
  5. dtgivens77

    dtgivens77 New Member

    Messages:
    27
    Likes Received:
    0
    Trophy Points:
    1
    Location:
    illinois
    How do i find streetbrawler750 to even ask him? Still learning this site
     
  6. Orange-n-Black

    Orange-n-Black Well-Known Member

    Messages:
    2,210
    Likes Received:
    30
    Trophy Points:
    48
    Location:
    Memphis Area
    You can go to the members list on the upper right under xjbikes.com and look under his posts or he may have a link in his signature to his build. Or you can look through forums - xj modifications.
     
  7. tumbleweed_biff

    tumbleweed_biff Active Member

    Messages:
    1,259
    Likes Received:
    5
    Trophy Points:
    38
    Location:
    Gahanna Ohio
    You will have to drop the engine to put the airbox back in. Hopefully you didn't chop it. It will cost you a lot of time and money to get pods going and you still will never get it running as well as with the stock set up.

    There was a recent discussion where Rick posed a possible fix which included drilling holes in the carb bodies. Someone was trying this experiment with initial promising results. I don't recall who and I haven't seen any conclusive results.
     
  8. dtgivens77

    dtgivens77 New Member

    Messages:
    27
    Likes Received:
    0
    Trophy Points:
    1
    Location:
    illinois
    Ive seen all the posts. No results from rick's mod with the drilling. Im trying the velocity stacks right now. So far its running a little better but i definately need the carbs synched.
     
  9. RickCoMatic

    RickCoMatic Well-Known Member

    Messages:
    13,843
    Likes Received:
    65
    Trophy Points:
    48
    Location:
    Massachusetts, Billerica
    The Prototype solution involved DRILLING.
    That approach was scrapped.

    Based on strenuous objections that ignored simply plugging the drilled holes if the bypass was removed and claiming the Carbs would be "Irreparably damaged", ... a work-around that objection --> Although absolutely unnecessary <-- was instituted.

    As it turned-out; returning to the drawing board and engineering a NO Drilling solution may have resulted in a superior design.

    http://www.midatlanticrubber.com/prod_6.htm
     
  10. dtgivens77

    dtgivens77 New Member

    Messages:
    27
    Likes Received:
    0
    Trophy Points:
    1
    Location:
    illinois
    What is the superior design and how does it work?
     
  11. RickCoMatic

    RickCoMatic Well-Known Member

    Messages:
    13,843
    Likes Received:
    65
    Trophy Points:
    48
    Location:
    Massachusetts, Billerica
    It's a TUBE running through the POD from the Atmosphere Vent to OUTSIDE the Back of the Pod.

    The Atmosphere Vent is not subject to AIR rushing across its opening ... Lowering Pressure.

    Atmosphere is supplied by the TUBE running through the Pod to where it is sealed within the Vent.

    [​IMG]
     
  12. tumbleweed_biff

    tumbleweed_biff Active Member

    Messages:
    1,259
    Likes Received:
    5
    Trophy Points:
    38
    Location:
    Gahanna Ohio
    Has this been tested -> verified as a valid adaptation that doesn't screw anything up? Does it work on all or just some models?
     
  13. RickCoMatic

    RickCoMatic Well-Known Member

    Messages:
    13,843
    Likes Received:
    65
    Trophy Points:
    48
    Location:
    Massachusetts, Billerica
    They're safer than just putting-on just Pod.
    They improve on the often critically lean condition that Pod, alone, present.

    I expect, after real-world testing, that much of the Lean condition without the "Bypass" will be alleviated.

    Further improvement will likely be dependent on Main AIR Supply.
    The questions will be:

    a) Is the Main AIR Jet size too small to allow Main FUEL Jet Supplied Fuel too be siphoned in sufficient quantity to correct the Lean conditions born from Pods.

    ::: This may result in a situation that finds the Main AIR Passage from AIR Jet to the Void surrounding the Main NOZZLE too narrow to allow enough AIR to Siphon and Atomize the Main Fuel Jet feed. :::
     
  14. bigfitz52

    bigfitz52 Well-Known Member Premium Member

    Messages:
    21,283
    Likes Received:
    418
    Trophy Points:
    83
    Location:
    Rural SE Michigan 60 miles N of Motown
    No. Not yet anyway.
     
  15. RickCoMatic

    RickCoMatic Well-Known Member

    Messages:
    13,843
    Likes Received:
    65
    Trophy Points:
    48
    Location:
    Massachusetts, Billerica
    Until this Mod was announced; the BEST advice anyone had for those who were experiencing difficulty tuning for Pods was:

    " You need to re-jet. "
     
  16. tumbleweed_biff

    tumbleweed_biff Active Member

    Messages:
    1,259
    Likes Received:
    5
    Trophy Points:
    38
    Location:
    Gahanna Ohio
    ... AND ... It will almost certainly never run as well as it did with the air box even after rejetting ...

    Ok, thanks. I was curious where these other approaches stood. I have not intention of ever going through the hassle of this, but I wanted to be sure I was "up to date".
     

Share This Page