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how will i know what shox to buy..?

Discussion in 'Shop - Suspension & Steering' started by Kenshiro, Aug 28, 2008.

  1. Kenshiro

    Kenshiro Member

    Joined:
    Nov 14, 2007
    Location:
    SWEDEN
    Hi..

    i`m planning to build an offroad car with modified suspension. my question is how will i know what dampers to put in.

    I guess i put a scale under each wheel to find out some data for the shock.


    If i take out the original shock and measure where the shock was mounted in both compressed an when fully extracted.

    could i choose a bit longer shock and mount it, or should i move upp the upper shock mount to the exact lenght of the new shock..?

    I can always move the upper mount for the shock but i dont know if that will help
    the wheel can`t move more because of that..

    Tell me what you would do if you where rebuilding a car to an offroader with more wheel travel,, just how you choose what shox to put in,

    Hope that makes sense ( Crazy Swede )..
     
  2. CMazzulla

    CMazzulla Member

    Joined:
    Aug 16, 2005
    Location:
    Highland , CA
    First you should cycle the suspension with the tire on and make sure that you are not going to crash it into anything, then put the tire where you want it at full bump. At this point you can figure your shock mounts and get a collapsed measurement of the shock. Lastly you will work on spring rates for your vehicle to achieve your preferred ride height. I'm not sure on your setup but I hope this helps.
     
  3. jeff

    jeff Super Moderator

    Joined:
    Apr 1, 2001
    Location:
    California
    Saying "offroad car with modified suspension" doesn't help much. Are you building an off-road Volvo 245 DL Wagon or a Saab 900 Turbo???? Tell us more specifics with what you want to build and you will get more helpful answers.

    Aloha
     
  4. Kenshiro

    Kenshiro Member

    Joined:
    Nov 14, 2007
    Location:
    SWEDEN
  5. Random Thoughts Racing

    Random Thoughts Racing Well-Known Member

    Joined:
    Jun 6, 2006
    Location:
    Escondido, CA
    Assuming you need an eye to eye shock and not a strut (If you need struts try a rally forum), figure out what your extended and collapsed length of the damper will need to be, then send the weight of the car and the motion ratio information to the shock manufacturer to get a ballpark valving in your shocks. Select something revalvable so that you can tune it.

     
  6. cosmo

    cosmo Super Moderator

    Joined:
    Apr 1, 2003
    Location:
    Encinitas
    Let's not forget springs. Coils,leafs? What length and, rate. Single shock application?
     
  7. Kenshiro

    Kenshiro Member

    Joined:
    Nov 14, 2007
    Location:
    SWEDEN

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