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Thread: EVO JL Coilover Discussion Thread

  1. #1
    Old Timer doubletapdaddy's Avatar
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    EVO JL Coilover Discussion Thread

    I thought it might be beneficial for those running the EVO JL Coilover system (and those considering the system) to have a place to discuss installation, set up, tuning, etc.
    Last edited by doubletapdaddy; 06-28-2019 at 09:01 PM.

  2. #2
    Old Timer doubletapdaddy's Avatar
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    So far I am loving this kit. I am running the coilovers with the EVO JLU High Clearance Long Arms, however you can also run them with a short arm system.

    Currently I'm running 2" of threads above the coil nut (x all four corners).

    20190628_164103-1024x768.jpg

    With ≈ 0.75" gap between the coil sliders and the timing / secondary rings (x all four corners).

    20190628_164147-1024x768.jpg

    Initially I was running 1.25" of threads above the coil nut. However, the other day I noted that at full droop my coil nuts required 1.75" just to sit on the top of my springs (zero preload), so I settled on a 2.0" gap above all four coil nuts for now.

    For further information on the EVO MFG JLU HIGH CLEARANCE LONG ARMS or the EVO MFG JL BOLT-ON COILOVERS, the following videos are a must watch:

    Jeep JL Wrangler Coilover Suspension with High Clearance Long Arm Installation by EVO

    Jeep JL Wrangler Coilover Suspension with High Clearance Long Arms Installation - BIG FLEX by EVO

  3. #3
    Old Timer doubletapdaddy's Avatar
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    So recently while extending my shocks to check the nitrogen pressure in my reservoirs, I noticed that my springs were just barely seated. I increased my preload another half inch for a total of 2.5" of threads on all four corners. I'd could have sworn that the springs were pretty firmly seated at 2" a couple of weeks ago. Maybe my springs are breaking in?

    Nitrogen pressure in my coilovers were/are 150 psi at all four corners (measured at full extension/droop).

  4. #4
    Been Around the Block Deezus's Avatar
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    Will be doing the longarm coilover to my JLUR in a couple months. Has anyone done this to stock Rubicon axles?

    Sent from my SM-G973U using Tapatalk

  5. #5
    Resident Smartass OverlanderJL's Avatar
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    Quote Originally Posted by Deezus View Post
    Will be doing the longarm coilover to my JLUR in a couple months. Has anyone done this to stock Rubicon axles?

    Sent from my SM-G973U using Tapatalk
    Doubletapdaddy did.


    Sent from my iPad using JL Wrangler Jeep Forum mobile app
    2012 Jeep Jk - 37ís
    2012 Jeep JKU Rubicon - 40ís
    1975 Jeep DJ5

  6. #6
    Old Timer doubletapdaddy's Avatar
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    Quote Originally Posted by OverlanderJL View Post
    Doubletapdaddy did.


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    Tis true. 🙂

  7. #7
    Been Around the Block Deezus's Avatar
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    Quote Originally Posted by doubletapdaddy View Post
    So recently while extending my shocks to check the nitrogen pressure in my reservoirs, I noticed that my springs were just barely seated. I increased my preload another half inch for a total of 2.5" of threads on all four corners. I'd could have sworn that the springs were pretty firmly seated at 2" a couple of weeks ago. Maybe my springs are breaking in?

    Nitrogen pressure in my coilovers were/are 150 psi at all four corners (measured at full extension/droop).
    What is your ride height? Can you measure from the ground up to first line in fenders using wheel center as guide?
    Do you have any rake or droop on the rear passenger side because of gas tank like on the JK??
    Thanks.

    Sent from my Pixel 3a XL using Tapatalk

  8. #8
    Been Around the Block Deezus's Avatar
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    Like this. IMG_20190626_225310_01.jpg

    Sent from my Pixel 3a XL using Tapatalk

  9. #9
    Old Timer doubletapdaddy's Avatar
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    Quote Originally Posted by Deezus View Post
    Like this. IMG_20190626_225310_01.jpg

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    Not sure I can get an accurate measurement there considering the width of the tires and the BS of the wheels.
    20190809_094644-1024x768.jpg


    A couple of weeks ago I was parked next to a brand new 2019 JLUR 3.6/AT hardtop while on level ground. I measured almost exactly a 5" difference (front and rear) between the stock JLUR and the way mine sits as it is now (2.5" coilover preload + Cooper 37x13.5r17 at 26 psi). I have not noticed any significant side lean, however I haven't looked that hard either. Although the attached pictures show the passenger side due to better lighting, the original measurements were taken on the driver's sides at the following locations -

    20190809_100710.jpg

    20190809_100620.jpg

  10. #10
    Old Timer doubletapdaddy's Avatar
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    @Deezus this may work for you. Measured at the front driver's fender. Approx 45 7/8".

    20190811_132852-1024x768.jpg

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