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  1. #1
    Join Date
    Jan 2009
    Location
    Arkansas
    Posts
    1

    Default Swing arm question

    I have an older GRT 3link with a swing arm on the lr running bmod class. Currently has spring on swing arm and shock behind rear end on the left, spring on top of rear end and shock behind on right. Wondering what would moving lr shock to the front with a coil over kit would do over all? First year in a mod so I have a lot to learn. Any other 3 link info would be great as well. Thanks!

  2. #2
    Join Date
    Jun 2009
    Location
    Central IL
    Posts
    654

    Default

    swingarm is generally more forgiving on rough/tacky tracks. but not quite as good on smooth/slick tracks. if you move spring off swingarm to axle, remember that you need to decrease your spring rate by aprox half.

  3. #3

    Default

    It will make changing the shock for different track conditions more difficult. Might also loosen up corner entry? Not sure what you are trying to do? I think I'd want spring and shock behind LR. Or at least spring in front of LR with shock behind. Just a thought?

  4. #4
    Join Date
    Feb 2008
    Location
    colchester il.
    Posts
    2,172

    Default

    I would go swingarm both side if you can if you have a 9 inch rearend use a j-bar if you have a qc rearend go with the rayburn purle bar off the right side. a local lm guy is a smooth as he11 and won a ton of races at peoria il. area with his swingarm.

  5. #5
    Join Date
    Jul 2012
    Posts
    1

    Default

    I run that same setup on my Xmod and I love it. We've messed with different shock pressures and found lower shock pressures worked better for us. We've won 4 shows and numerous 2ndstimes this year already. Jbar location is huge too with this setup. Gives the car alot of sidebite.

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