"memory steer" - steering wheel center point changes after a right turn?

Discussion in 'S197 Technical Forum - GT, Boss 302 and GT500' started by Duane Black, May 6, 2019.

  1. Duane Black

    Duane Black TMO Race

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    STrange issue.. you can kind of see it in this 360 video of Charlotte on the infield straightaway... my hands are turned a little more to the right after the two right hand turns leading to that straight than they are ont he back straight.

    I noticed this past week and again this morning that if I took a right turn, the car comes back to straight, but the steering wheel will be a few degrees to the right. After a left curve, the wheel goes back to it's traditional center point and usually stays there until you make a right turn, not a right curve, again.

    I've known "memory steer" to be a thing with caster camber plates binding -y et the car is going straight after the turn.

    The only other thing that might be connected is that after the last track day, the steering wheel had a little groan when you made a right, but it went away when the car cooled back down.

    I shook everything on the ground, no noises, nothing felt odd. I shook it again in the air, nothing feels wrong.

     
  2. ArizonaBOSS

    ArizonaBOSS Because racecar. Moderator

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    That is a weird one. Do you feel any loss of power assist? Wheel bearings/ball joints/tie rods not showing excessive play?
     
  3. Duane Black

    Duane Black TMO Race

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    Nothing feels wrong, nothing feels out of play, other than the return position, it doesn't seem to be hurt.

    The only cause I can think of is I bent something when I ran out of RF suspension travel on the 2nd or 3rd lap going around NASCAR 3-4. It happened a few more times and I never noticed it until that session.
     
  4. Duane Black

    Duane Black TMO Race

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    I checked the toe alignment with angle iron and a tape measure. It looks to be 1/16th toed in - should be 0. I hope it's not a steering rack failure blooming! I'm thinking something slightly bent to affect alignment?
     

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