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  1. #1
    Join Date
    Mar 2017
    Posts
    1

    Default Car is real darty?

    We just put a car together and it is darty going down the straightaway. We put a new servo on it looking for some ideas of what to look at. Thanks

  2. #2

    Default

    What is your Caster.

  3. #3

    Default

    Not enough toe out?

  4. #4

    Default

    Have you checked the bumpsteer?

  5. #5
    Join Date
    Dec 2007
    Posts
    363

    Default

    Like they all said what are u running for caster toe out and bump steer...any of those can be the prob let us know what u got and we can see what jumps out

  6. #6
    Join Date
    Jun 2007
    Posts
    284

    Default

    I had an issue with the car being "darty" and it ended up being a bent lower ball joint on the RF

  7. #7
    Join Date
    Feb 2012
    Posts
    1,102

    Default

    What talon said.

  8. #8
    Join Date
    Jul 2014
    Posts
    399

    Default

    Make sure the upper ball joint is behind the lower when looking from above..... on both sides. Or you have negative caster. Happens often
    Last edited by CCHIEF; 03-08-2017 at 12:16 PM.

  9. #9
    Join Date
    Jan 2012
    Posts
    332

    Default

    All of the above pal, I've been darty from bent ball joints, caster, bump steer etc. I'd set the whole front end before I scaled just to eliminate all the bs. Bump steer may be the single most important thing you check.
    Last edited by King1; 03-08-2017 at 01:48 PM.

  10. #10
    Join Date
    Feb 2016
    Location
    The land of Irma
    Posts
    3,774

    Default

    Be sure to read the directions for the caster guage you're using. Some you turn the wheel out and others you turn the wheel in.
    Turn LEFT, Vote RIGHT!

  11. #11
    Join Date
    Jun 2007
    Posts
    3,123

    Default

    Getting slightly off topic...but for measuring caster, I have NEVER been a fan of the way that most "gauges" have you measure it by the change in camber at various steering angels (which you can't accurately measure).
    I made my own tool that fits between the ball joint ends and forms a straight line between the ball joint pivot points. It threads out to "telescope" and fits perfect inside the spindle. I then measure the angle off of it. It's pretty darn accurate.

  12. #12
    Join Date
    Feb 2012
    Posts
    1,102

    Default

    I've Ran caster as much as 10 deg in the wrong direction (wrong is relative btw) it never made my car darty!

  13. #13

    Default

    Had a brand new car with this problem ended up being wrong lower arms put on by builder

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