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  1. B

    How can I figure out why I have death wobble?

    Sounds good -- I'll keep that damper in mind :) Will probably take a bit of inertia to overcome $475, but we'll see. Just to be clear, both acceleration (measured with accelerometers) and rotation (measured with gyros) are on that graph -- the two green spikes are multi-G spikes from driving...
  2. B

    How can I figure out why I have death wobble?

    Just a note to everyone that my death wobble does appear to be solved long-term as I've done a number of trips since the main part of this thread without any death wobbles (though I do still shudder at occasional incipient shimmies). I decided I'm never going to have time to make the...
  3. B

    How can I figure out why I have death wobble?

    Yeah, those are my buddy's wheels that you've correctly identified (he runs them on his 62) and I do like them a lot. But, they're his and this was just a trial swap to diagnose the death wobble so unfortunately they're being swapped back this weekend. The two valve stems initially confused me...
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    How can I figure out why I have death wobble?

    Me too -- I'm hoping to fix the sensors before swapping the wheels back to measure the "after a bunch of usage" as well as the "after panhard bushings" (and "after steering damper"). I give that like a 60% probability of working out (will need to see why the sensors stopped working) Yeah, I...
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    How can I figure out why I have death wobble?

    Update: After removing the panhard rod to inspect the bushings (prior post), I reinstalled the panhard rod and remounted the two front wheels. That pretty much resolved the death wobble (where a shimmy gets bigger and bigger), at least the kind that I was reliably reproducing before --...
  6. B

    How can I figure out why I have death wobble?

    For everyone getting antsy, I have new info for after tightening panhard rod bolts, my friends helped me set the preload on the driver wheel bearing, and I now have 35's mounted. Won't have time until at least tomorrow to write about it :)
  7. B

    How can I figure out why I have death wobble?

    I didn't notice any movement, but I'm not totally sure I was levering in the right place (see response to @roadstr6 below). I'm not sure how to evaluate how they look...they seem ok? Seems like this may be a winner? I measure the hole in the bushing at 0.63" and the diameter of the...
  8. B

    How can I figure out why I have death wobble?

    So... FSM: Me: The bolts came out without much trouble. And, the upper nut was already loose, so that seems like a candidate for contributing cause. But, the rod and bushings are REALLY wedged in there; this is after a number of whacks with a dead blow hammer: Any hints on how to get...
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    How can I figure out why I have death wobble?

    This seems pretty key -- I'll hopefully know more precisely on Saturday, but I'm almost certainly much closer to 0 degrees than I was. I'm not super excited about doing the definitive test of temporarily swapping back to stock arms to verify, but this seems to fit as a root cause pretty well...
  10. B

    How can I figure out why I have death wobble?

    My claim of 5" lift is based on measuring 6" height difference between the two panhard bolts (after attempting to level the vehicle by putting wood underneath the tires) and observing that the DeltaVS caster spreadsheet has a height difference of ~1" between these bolts on stock vehicles. I...
  11. B

    How can I figure out why I have death wobble?

    Thanks for your patience; I have very little experience with LCs & cars generally so this kind of explanation is definitely appreciated. It's still a challenge because there's conflicting info, so I (with less knowledge and experience than all the other commenters) have to figure out which...
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    How can I figure out why I have death wobble?

    Agreed and I will check the caster when able (arranged to borrow wheels from a buddy on Saturday). However, I was expecting that I already fixed caster so I'm going to be bummed if the issue is actually caster. I'll also be surprised because there wasn't any wobble with stock arms and I now...
  13. B

    How can I figure out why I have death wobble?

    Thanks for all the feedback; here are my notes for possible causes so far: No steering damper Alignment (@gnob) Caster too low (@gnob, @gummycarbs, @toyotaboy80, @baldilocks) Unbalanced wheels/tires (@jpoole, @MrMacdugal, @flyingmonkey) Panhard bushings (@AussieHJCruza, @Squeegee, @mudgudgeon...
  14. B

    How can I figure out why I have death wobble?

    Makes sense; will try (haven't tried that yet).
  15. B

    How can I figure out why I have death wobble?

    Real alignment shop (for 4x4s) wants $140 to adjust the one axis (toe) that can be adjusted on the 80s; do you think there might be something wrong with my method (pictured)? The standard fiducial device most alignment shops use can't be attached to the beadlock ring. I've been to multiple...
  16. B

    How can I figure out why I have death wobble?

    I have a 1993 with death wobble that I've tried to fix and it's still not fully gone. I'm sure there are many things I could blindly try if I had infinite money, but how can I figure out which one is actually likely to fix the issue? I know this is a bit long, so to encourage responses: I'd be...
    • bjp
    • Thread
    • steering steering damper wheel alignment
    • Replies: 147
    • Forum: 80-Series Tech
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