[TR] TR4A trailing arm shims
glemon at neb.rr.com
Sun Jan 11 16:02:30 MST 2015
Maybe to keep the wheelbase the same one side to side, or maybe just
adjusting toe and they just liked adding more than removing, hard to tell
with an old car that has been worked on by who knows what level of mechanics
and such over the years. I will add that I am not a suspension geometry
expert, but I know they have made cars with unequal wheelbases designed in
from time to time so don't know if a few millimeters one side to the next
would be all that critical.
From: "Anthony Rhodes" <spamiam at comcast.net>
Sent: Sunday, January 11, 2015 4:23 PM
To: <triumphs at autox.team.net>
Subject: [TR] TR4A trailing arm shims
> I have been upgrading my IRS axle to the Goodparts CV joint axles.
> As I did the second side I see that there are lots of shims under both the
> trailing arm brackets. It seems to me that it may be possible to remove
> an equal number from each bracket. I think that in this way it may be
> possible to preserve the geometry and get a bit more bolt thread available
> for the nuts holding the brackets.
> This will change the fore-aft and the in-out position of the trailing arm.
> But do you think the trailing arms were adjusted to that they were
> perfectly co-axial, and equally spaced? I would doubt it. I would havevm
> thought the shims were used only to adjust toe.
> But then why so many shims? I would have expected one of the two
> brackets to have zero or 1 shim, and the other bracket would be shimmed to
> get the toe adjusted properly???
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