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TR6 rear suspension camber woes

To: "'Triumphs Digest'" <triumphs@Autox.Team.Net>
Subject: TR6 rear suspension camber woes
From: "Lanoway, Brian" <Brian_Lanoway@standardaero.ca>
Date: Fri, 17 Apr 1998 17:11:09 -0500charset="iso-8859-1"
Hello list:

It's been quite a while since I've submitted a request for help, but now
that the TR6 is out of winter storage I need to once again address my
rear suspension woes.

I attempted to rebuild the rear suspension two years ago.  At the time,
I put in new rear springs, up-rated rubber trailing arm bushings and a
Moss coil spring spacer to compensate for the greater sag on the
driver's side of the car (must have been a helluva big DPO!).

Despite all this work, I've still got too much negative rear suspension
camber (ie sag) and have found, much to my dismay, that the trailing
arms have over time worked their way across the press-fit rubber
bushings until they've contacted the trailing arm brackets - which does
further wonders for the alignment of the rear end.

I have two questions.  Question #1:  has anyone got a method to take up
the excess camber or sag?  I've heard stories of mixing and matching
trailing arm brackets (one notch, two notch, three notch, right side up
or up side down) to adjust the camber.  Has anyone done this?  If so,
has anyone figured out the geometric relationship between the bracket
mix and the camber that results?  Or, should I forget about the brackets
and make-up some custom made coil spring shims to compensate for the
camber?

Question #2: has anyone experienced this movement of the trailing arms
across the rubber bushings?  Is it merely a question of rear suspension
alignment or something more serious at work here? The trailing arm
bushes in question don't have any shoulders but I'm told by the tech
expert at Moss that these bushings haven't had shoulders for years.

Thanks in advance.

Brian Lanoway
73 TR6
CF6985U

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