Don't know the problem for sure, butone thing I would do is make sure that
your U bolts (the ones that bolt the rear axle to the leaf springs) are
tight. It is fairly well documented that loose U bolts will make the rear
axle twitch a certain direction under accelleration (and the other under
decelleration) if the U bolts are not tight enough. I'd do that first,
then I'd look at the front suspension lever arm shocks and their mounting.
They each have 4 fine thread bolts that hold them in - make sure they're
tight, and that the shock arms are tightly attached - oh and the lowere A
arem mounts too. If the king pins and tie rod ends are all good, there's
a fair chance this should take care of the problem.
> In keeping with my non-standard problems (okay, so I do have one - my
> hand brake never holds for more than two days after being adjusted),
> let me ask advise on this strange event:
>
> Driving along at a steady pace, let's say 65 mph, the car is steady.
>
> Looking to pass, you press down on the pedal and - the car makes a
> quick but gentle "swerve" to first the right, then the left, then
> settles down.
>
> As you finish passing, you ease back on the pedal and - the car makes
> a quick but gentle "swerve" to first the right, then the left, then
> settles down.
>
> Now, I may have the direction of first swerve backwards, but the
> action is as described.
>
> In fact, by playing with the gas pedal, I can kind of do a little
> sashaying down the road.
>
> Any ideas?
>
> Facts: The car has had one new kingpin - on the right, the other is
> tight. Two new tie-rods and one something else ( I can't remember
> what it was but it allowed the right wheel to shake) and has just
> passed inspection at VIP - who failed it three times before issuing
> the sticker. The tires are about half worn - evenly, and there is no
> play (to speak of) if I grab the steering wheel and pull up and
> down. The front springs are new as are the front shocks.
>
> Cordially,
> Mike Torrusio
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