Some tires have a tendency to get caught up in grooves and behave like your
car does - I belive it's called trammeling or something like that. Usually
this happens more frequently with wide low profile tires. I would also check
your alignment.
FWIW, those live axles can really move around a bit and provide quite a
choppy ride that skits across bumps and other irregularities in the road.
How are your rear bushings?
Mike
----- Original Message -----
From: "Ryan Bird" <birdman@myrealbox.com>
To: <datsun-roadsters@autox.team.net>
Sent: Thursday, April 04, 2002 3:53 PM
Subject: Driving Question
> Hey guys and gals,
>
> I have noticed that at certain times when I drive my car on the
> freeway, it gets real sloppy, particularly the rear end. It is a very
> uncomfortable feeling, almost as if the car is unstable beneath you.
> I first noticed this on the 91 heading out of Orange County to
> Riverside County. I've also felt it on I-60 here in AZ. I at first
> blamed it on back-draft/wind, as going up the 91 there was a good
> amount of back draft as well as the 60 could have some "tunnel" effect
> due to how it is dug down low, but upon further experience, I have
> narrowed the problem down: When driving on what seems to be concrete
> freeway with small, narrow groves, perhaps an inch or two apart, going
> in the same direction I am, my car gets very sloppy. I don't know how
> to describe this type of road any better. The groves are placed in
> the road over all lanes, I have never felt this way with any other
> vehicle when driving on these sections of freeway.
>
> Anyway... Anyone who can decipher what I am trying to say, feel free
> to explain why my car does this, and if I should be concerned.
>
> Thanks,
>
> Ryan Bird
> 67 1600
> Tempe, AZ
> www.azroc.org/ryan
>
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