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king vs. icon vs. fox racing coilovers

Discussion in 'Suspension' started by SoCalTacos, Feb 10, 2012.

?

Coilover Preference?

  1. Fox Racing

    228 vote(s)
    25.1%

  2. Icon

    291 vote(s)
    32.0%

  3. King

    342 vote(s)
    37.6%

  4. ADS

    49 vote(s)
    5.4%
Page 24 of 65
  1. Mar 2, 2015 at 7:07 PM
    #461
    VolcomTacoma

    #461
    VolcomTacoma Well-Known Member

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    I like my Foxes, but I bought King for my LT. It's all essentially 'pick a color' for the most part. All 3 major companies are about on par with each other, so arguing about 'who's better' is pretty subjective
     
    VolcomTacoma, Mar 2, 2015
    #461
  2. Mar 2, 2015 at 7:18 PM
    #462
    jberry813

    #462
    jberry813 Professional Fluffer Moderator

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    Not arguing who's better at all. My question circled all the recent posts (in this thread and others) that Icon has a better "on-road" manners or that progressive valving is "firmer across the board." I'm not calling anyone's baby ugly. Don't really care who likes one shock or the other or what anyone decides to run on their rig. It's their choice. Again, I'm just asking what the subjective reasoning is when comparing side by side.
     
    jberry813, Mar 2, 2015
    #462
  3. Mar 3, 2015 at 5:41 PM
    #463
    CYK

    #463
    CYK Member

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    If you don't care then why do you ask?
     
    CYK, Mar 3, 2015
    #463
  4. Mar 3, 2015 at 6:18 PM
    #464
    jberry813

    #464
    jberry813 Professional Fluffer Moderator

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    Clearly you have reading comprehension problems.
     
    jberry813, Mar 3, 2015
    #464
  5. Mar 3, 2015 at 6:40 PM
    #465
    VolcomTacoma

    #465
    VolcomTacoma Well-Known Member

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    I'm running king only because DSMS couldn't find the Fox shocks that fit the Camburg kit. I'm not saying there aren't Fox shocks for the kit, but I was at work ordering them and I really didn't care which brand I ended up with. Why people get so vehement over one brand or the other is beyond me.
     
    VolcomTacoma, Mar 3, 2015
    #465
  6. Mar 3, 2015 at 7:08 PM
    #466
    92LandCruiser

    #466
    92LandCruiser Well-Known Member

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    Icon for lyfe, suck on that Jason!

    I got something that'll satiate you!
     
    92LandCruiser, Mar 3, 2015
    #466
  7. Mar 3, 2015 at 7:21 PM
    #467
    jberry813

    #467
    jberry813 Professional Fluffer Moderator

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    I agree with you. Buy to fit your needs whatever they may be. They all have trade offs. Fox and SAW finish sucks and is more susceptible to rust. King and ADS resi's are aluminum and expand at the same rate as the IFP and are more susceptible to hydrolocks. Icon's top hat design sucks as and the OOTB valving is brutal on-road and are more susceptible to ratting the passengers fillings out.
    They all have their own niche benefits too. To name a few, Fox resi hoses are rated much higher. King and ADS shims are damn near indestructible. Icon's bypasses don't need any tools to adjust. Icon, King, ADS always pick up the phone and support is top notch. King and Fox have publicly available shock blow up diagrams so the backyard rebuilder doesn't need to worry about mixing up the order of the guts.
    Again, the whole reason I asked the question from the start was just trying to understand why someone prefers a rough ride on road with a digressive profile (not even naming Icon...but fully expecting the cronies to weigh in).





    Says the profender whore :cookiemonster:
     
    jberry813, Mar 3, 2015
    #467
    tacabode likes this.
  8. Mar 3, 2015 at 7:24 PM
    #468
    Tacoma Dave

    #468
    Tacoma Dave Long time lurker

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    :ohsnap:
    Oh god grab the popcorn guys!!
     
    Tacoma Dave, Mar 3, 2015
    #468
  9. Mar 3, 2015 at 7:40 PM
    #469
    92LandCruiser

    #469
    92LandCruiser Well-Known Member

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    Listen guy! :brianr:

    I should have bought fox or kings lol
     
    92LandCruiser, Mar 3, 2015
    #469
  10. Mar 3, 2015 at 7:45 PM
    #470
    92LandCruiser

    #470
    92LandCruiser Well-Known Member

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    I'm just here to detract from the issues. Your truck is a retarded penguin!
     
    92LandCruiser, Mar 3, 2015
    #470
  11. Mar 3, 2015 at 8:06 PM
    #471
    jberry813

    #471
    jberry813 Professional Fluffer Moderator

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    Tis true. Nothing in comparison to your Honey Boo Boo build though.
     
    jberry813, Mar 3, 2015
    #471
  12. Mar 3, 2015 at 8:19 PM
    #472
    Taco Suave

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    Taco Suave Taco Fever

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    Taco Suave, Mar 3, 2015
    #472
  13. Mar 3, 2015 at 8:29 PM
    #473
    Tacoma Dave

    #473
    Tacoma Dave Long time lurker

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    ^^^ super awesome info thanks for this sunmary.
     
    Tacoma Dave, Mar 3, 2015
    #473
  14. Mar 3, 2015 at 8:29 PM
    #474
    TacoBrah

    #474
    TacoBrah Well-Known Member

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    Jberry can you break down the ootb difference(s) between digressive and progressive?
     
    TacoBrah, Mar 3, 2015
    #474
  15. Mar 3, 2015 at 8:53 PM
    #475
    Taco Suave

    #475
    Taco Suave Taco Fever

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    Thanks:) always here to help!
     
    Taco Suave, Mar 3, 2015
    #475
  16. Mar 3, 2015 at 9:00 PM
    #476
    jberry813

    #476
    jberry813 Professional Fluffer Moderator

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    ...too much shit to list.
    I've had it happen twice, both times it was a front bypasses (one on each side at two different times). And no...it does not mean the resi wall is scored. You're forgetting about the seal on the IFP that actually creates the seal between the IFP and the resi. Seals are consumables and with repeated hard use, they blow out. Almost every race truck rebuilds before a race as part of normal prep so it's a non issue. As a weekend warrior, I don't rebuild that frequently. I probably should rebuild more than I do, but again I'm not racing. Nobody in this thread is rebuilding their shocks at the same interval as trophy trucks.

    And yes, I'm talking about nitrogen passing passed from the nitrogen cavity past the IFP and into the oil cavity. Yes the shock will still be pressurized, but forget about whatever tuning you've done and cavitation is inevitable.

    Because of the aluminum/aluminum, it doesn't create as tight of a seal as it does with, for example, a Fox steel resi with aluminum IFP. IIRC aluminum expands almost 5 times faster than your traditional carbon steel. Figure an aluminum IFP and steel resi...you can bet your ass it makes a better seal as it heats up.

    And I'm sorry, but I believe you're incorrect about the hoses. King uses a 3 layer Aeroquip racing hose that's rated to 250 psi. Fox uses a 6 layer high pressure Aeroquip racing hose rated at 1750 psi.

    What specifically are you looking for aside from what I mentioned on the previous page? Copied below for convenience.



     
    Last edited: Mar 3, 2015
    jberry813, Mar 3, 2015
    #476
  17. Mar 3, 2015 at 9:08 PM
    #477
    MJonaGS32

    #477
    MJonaGS32 MJ on a GS

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    MJonaGS32, Mar 3, 2015
    #477
  18. Mar 3, 2015 at 9:12 PM
    #478
    Taco Suave

    #478
    Taco Suave Taco Fever

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    I can break it down for you if you don't mind.

    Digressive means that the force from the shock decreases as the speed of the shaft increases. The way it works is that there is basically preload on the valve shims inside the shaft. What will that do you may ask? While your driving on the street and taking turns or going slow and hitting small bumps the truck will feel stiffer because it has not quite overcome the preload. This gives the truck better handling characteristics while turning on the street because it's doesn't feel like the truck will roll over as easily (keep in mind this is all relative!). Now when you decide to go hit some bumps at higher speeds (by higher speeds I mean higher shaft speeds, not MPH. So hitting bumps fast and stuff.) the shock will not feel as stiff as you would expect because the digressive set up produces less force at higher speeds. This is good until a certain point because if you hit some stuff really hard, there is a point where the shock won't be able to make enough force to absorb the bump. But that's what tuning is for:D

    Progressive Means the relationship between force and shaft speed is progressively linear. This valving set up tends to feel more like a caddilac at lower shaft speeds (unlike digressive with street car like characteristics) because there is essentially no preload on the valving. At higher speeds the shock will make progressively more force which is usually better for hitting hard stuff because it can make the force you need.

    Summed up:

    Progressive: hitting stuff slower=less force, hitting stuff faster=more force
    Digressive: hitting stuff slower= more force, hitting stuff faster= less force

    Keep in mind if you want a particular set up you mill most likely need to tune to your liking, and also it is all relative.
     
    Taco Suave, Mar 3, 2015
    #478
    Arailt, taczilla, jonnyozero3 and 1 other person like this.
  19. Mar 3, 2015 at 9:19 PM
    #479
    jberry813

    #479
    jberry813 Professional Fluffer Moderator

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    ^Nail on the head.

    I set up my track car digressive specifically for the cornering characteristics. It gives better feedback when entering and exiting turns and doesn't have the vauge feeling. But this was also with less than 5" of suspension travel, not 9-11". For a truck...no way. Not my cup of tea. The bigger I go, the more dampening I want.
     
    jberry813, Mar 3, 2015
    #479
  20. Mar 3, 2015 at 9:48 PM
    #480
    Taco Suave

    #480
    Taco Suave Taco Fever

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    Your right that when the seal deteriorates the nitrogen will be able to jump but I was regarding to the expansion of the reservior not being an issue because it is not. The steel reservior may provide a tighter seal when hot but the aluminum resis are not insufficient in any way, for proof just look at a race truck running kings (Bj Baldwin, Voss racing) both and many many more all running aluminum reserviors. As for the scratching inside the reserviors (which is not very common) it causes the o-ring to deteriate faster which causes leaks.

    And finally for the hose... 250psi??? King runs some of their shocks higher than that before they are even on a truck, so then you need to consider the load from thermal expansion and and hitting bumps! The shocks can easily see up to 500 psi when driven hard. Please tell me where you heard it was 250psi Because that is simply not true.
     
    Taco Suave, Mar 3, 2015
    #480
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