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Long Travel BS Thread

Discussion in 'Long Travel Suspension' started by amaes, Aug 20, 2010.

  1. Oct 12, 2016 at 8:42 AM
    MadTaco461

    MadTaco461 BRO runner

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    I run one bleed open on my front coil over. It's way more aggressive than @TMFF recommended. I don't nose dive at all, but rides like a sports car. I suggest trying his way first.
     
  2. Oct 12, 2016 at 9:54 AM
    ls1 prerunner

    ls1 prerunner Internet Scientist

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    Running 35 psi on BFG A/T D range tires (3 ply sidewalls instead of 10 ply), might be out of balance from chunking and they are on KMC beadlocks. The rear shocks were rebuilt this spring at 150 PSI, I will check the nitrogen on the coils today. I have some 2.5 bypasses I need to install but haven't gotten around to it, would those help? I need to re-valve them also before installing. Maybe installing and re-valving the entire front end would help?

    I will try his way first and if no results, try this. My DD is a Camaro ZL1 with magnetic ride control and even in it's firmest setting it has a better street ride than the truck.
     
  3. Oct 12, 2016 at 12:19 PM
    Canks

    Canks Well-Known Member

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    I have no idea your background on shocks, but I do like to hear different theories. I am collecting parts for my current build. DCSB V6 4wd Solo XLT front, linked rear will retain the "full" bed. Goal is to chase/ prerun in Mexico I'd like to make a removable rack for a RTT over the bed. Naturally going from a fun day in the dirt to a loaded down rtt+gear baja chase trip will change the ride height significantly.

    Could I run a bypass+air bag similar to a Funco sand car on the rear to easily adjust ride height each trip as needed? How do bags do with wear/longevity? Do they make a bag that could cycle that much travel and not get in the way?... airbags give a very nice ride over chatter as well which is a nice plus.

    The bypass/airbag would be nicer for packaging, but this has been run before as well: (company doesnt make this anymore but it's nice for discussion). This is nice because it would allow of ride height adjustment, and if you lost a bag you could swap a generic tender spring to get you through your trip.
    [​IMG]

    The rear is still in the works so this is all just discussion, but I'd love to hear any thoughts on it, good, bad, or otherwise.
     
  4. Oct 12, 2016 at 12:42 PM
    TMFF

    TMFF Well-Known Member

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    Stuff and junk and things...
    You should always revalve the coilovers when you add bypasses.

    FYI adding the second shock is to share the heat load over the two shocks, it won't magically make your truck ride awesome without some work to tune the shocks to your driving style.

    If your current coilover is too stiff you might need to lighten the comp valving in addition to the rebound, this is without the bypasses added to the equation.

    I worked on a Jeep that had a similar air ride setup, IMO Junk.

    You're trying to make 1 truck do to many things. You could run a higher than normal lower spring rate and set the spring stop to engage early so when loaded it it rides on the higher rate spring.

    IMO Set it up with all or most of your gear and get your spring rates and valving set to that. The RTT isn't that much weight but can make your truck ride very different with it on.

    You could run a Air shock and bypass and change your ride height with nitrogen. Or even something like this for a coil carrier.

    http://www.ridefox.com/product.php?m=offroad&t=shocks&p=3359

    But these are just some ideas, you should consult the shop doing the work and the shock manufacturer you choose to get it properly dialed in to your needs.
     
    Canks[QUOTED] likes this.
  5. Oct 12, 2016 at 12:46 PM
    Canks

    Canks Well-Known Member

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    I agree, I have some serious questions/concerns with bags. However I do not have the experience in them. The coil carrier/air shock is the best idea I've seen yet for an "adjustable" set up. thanks
     
  6. Oct 12, 2016 at 2:55 PM
    Evenflow

    Evenflow Well-Known Member

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    Wow, I called Fox the minute I saw this because I have very similar needs. I 3 linked the ass end last year and it has 12" King's with 400 over 450's which according to king is the correct combo for my set up / weight but the load capacity is shit. Just opening my rear swing out gate dips the ass end a couple of inches and when I load up the truck for trips it's riding a couple inches low in the back too. I could just keep upping my spring rate to get load capacity but then daily driving it would be stiff.

    When I was building the truck I inquired about this type of set up but was told by someone else that they were only available in 2.0's and intended for much lighter vehicles like buggies... guy at Fox just said nope these are designed for exactly what you are asking for - load capacity. So it is in fact a true coil over / air shock combo. The 2.0 provides up to 500 lbs of additional load capacity per corner and the 2.5's 1,000lbs per corner. It seems the only " con " is that after running a dirt road for an hour the heat in the CO would increase the pressure and lift the truck a bit. He said they are not anywhere near as temperamental as an ORI because it still uses springs. Seems like you would definitely want your own nitrogen fill set up at home to dial it in and play with it but overall these seem like a reasonable solution for load capacity / ride height adjustment ...what am I missing ?
     
    Canks[QUOTED] likes this.
  7. Oct 12, 2016 at 3:31 PM
    Evenflow

    Evenflow Well-Known Member

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    I think the Fox guy might have been wrong because I don't see the 2.5 anywhere on their site...only a 2.5 smooth body air shock.
     
  8. Oct 12, 2016 at 3:45 PM
    TMFF

    TMFF Well-Known Member

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    Stuff and junk and things...

    Bypasses?

    The 2.0 would work unless you are putting more than #1000's of stuff to back of your truck.
     
  9. Oct 12, 2016 at 4:41 PM
    Evenflow

    Evenflow Well-Known Member

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    No, the actual air coil over, I don't see that in a 2.5. I understand it is completely different than a conventional CO but a 2.0 just seems too small ?
     
  10. Oct 12, 2016 at 5:18 PM
    glorifiedwelder

    glorifiedwelder IG= @Liquid_Torch

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    Is he referring to an actual bag like pictured? Similar to what guys are running on bagged cars with air struts, just with a hole large enough to fit over the coilover body. I'd figure you'd plumb them like a helper bag. Maybe run an accuair controller to them.
     
  11. Oct 12, 2016 at 5:25 PM
    Evenflow

    Evenflow Well-Known Member

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    I was referring to the fox link he posted, they are an air assisted 2.0 CO with a 1.25" shaft, dual rates etc available from 7" to 17" stroke.

    IMG_0598.jpg

    IMG_0599.jpg
     
  12. Oct 12, 2016 at 5:30 PM
    glorifiedwelder

    glorifiedwelder IG= @Liquid_Torch

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    Interesting. I wonder how they ride
     
  13. Oct 12, 2016 at 5:44 PM
    Evenflow

    Evenflow Well-Known Member

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    Yeah I'm super curious about the quality of these. You can get them custom valved and do dual rates just like a regular CO. Fox said daily driving or environment will not heat them up enough to make a difference I.E.: your truck sitting higher when they warm up. They said driving a rough dirt road for an hour might cause +50psi ( they hold up to 500 PSI ) I am going to price them out, for a linked expo rig these could balance the loaded weight problems far easier than having to pull my wheels, droop the axle, contort myself inside the wheel well and add a couple inches of pre load a 1/4 collar turn at a time, put wheels back on, load truck, unload truck at camp site and drive around stank bug during trip and reverse the whole process when you get home... these would be load truck - add nitrogen until level - done.
     
  14. Oct 12, 2016 at 6:21 PM
    Evenflow

    Evenflow Well-Known Member

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    Is track width defined by WMS to WMS or is wheel/tire width generally included in that equation I.E.: outside edge of tread to outside edge of tread ?
     
  15. Oct 12, 2016 at 6:22 PM
    glorifiedwelder

    glorifiedwelder IG= @Liquid_Torch

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    Outside of tires to outside of tires
     
  16. Oct 12, 2016 at 7:43 PM
    TMFF

    TMFF Well-Known Member

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    Stuff and junk and things...
    I ment use the 2.0 airshock coil over with a bypass. Or maybe add a bypass air shock to what you have now. I know own Fox made them a few years ago for Shanoon Campbell on his buggies. They seamed to work well.

    Or see if they will add a resi to the 2.0 airshock coil carrier, the added volume should lessen the psi difference with heat. Maybe add a spunding valve set to your desired psi, so when it's above that it Lets out the excess. Will need a tank to refill after cool down.
     
  17. Oct 12, 2016 at 11:29 PM
    doyouquaxu

    doyouquaxu Well-Known Member

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    fucking brilliant. why have i never seen this before?! knew about the shock growth with heat, but that doesn't seem like such a bad price to pay for being able to adjust ride height easily for different load weights.
     
  18. Oct 13, 2016 at 3:35 PM
    nfs257

    nfs257 Well-Known Member

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    Got the 37's mounted and she drives beautifully.


     
    06HAOLE, Jerez, Dalandser and 7 others like this.
  19. Oct 13, 2016 at 3:52 PM
    Hippiglass

    Hippiglass Well-Known Member

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    DTF race kit, DTF front bumper, king 10"dual rate shocks, URD CAI, total chaos upper control arm brackets, method race wheels, 35/12.5/17 bfg ko2, mcneil TT bedsides, custom SLX Motorsports front fenders, fox bump stops
    looks awesome dude! the truck makes those 37s look like 35s lol.. i might have to step up my tire game next time around
     
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  20. Oct 13, 2016 at 6:07 PM
    glorifiedwelder

    glorifiedwelder IG= @Liquid_Torch

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