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Re: TR6 rear wheel camber probs

To: Canada <canada@voyageronline.net>, Triumph List <triumphs@autox.team.net> charset=ISO-8859-1
Subject: Re: TR6 rear wheel camber probs
From: Tony Rhodes <ARhodes@compuserve.com>
Date: Sun, 13 Jun 1999 17:50:48 -0400
Message text written by Canada
>I've followed this discussion with interest.  I'm pretty ignorant of 
>caster/camber issues, but I rebuilt the front and rear suspension on my 
>'76 TR6 recently anyway.  Followed the Bentley manual precisely and I'm 
>pretty sure I put everything back the way it should be.  (Nylatron 
>bushings, HD lever shocks, Spax adjustables on the front and TRF springs 
>that raise the car 1 inch all around.)  My problem is that the front 
>passenger side is almost an inch higher than the driver side as measured 
>from the lower lip of each fender opening to a reference point on each 
>tire.  On the rear, the difference is about a half inch.  The alignment 
>shop I took it to says the car is in perfect alignment front and back and 
>complemented me on putting things back together properly.  They thought 
>the problem with the front end might be related to the rear end and I 
>assume they must be talking about the trailing arm brackets.  the number 
>of shims on the trailing arms are identical:  3 outboard and 4 inboard.  
>On the front, there are 3 shims on each bracket on the driver's side and 
>1 on each bracket on the passenger's side.  The car is straight, never 
>wrecked and has only 5K original miles.
>
>Can you offer any suggestions?
>>Thanks very much.
Ian CF57345U
<

5K original miles!  WOW.  I thought my '67 4A with 28K was good....

Well, Ian, I am CERTAINLY no guru of suspensions.  I sometimes just try to
understand certain complex issues.  Often to no avail.

If I understand correctly, you have an exceedingly low mileage car (is that
"kilometerage" in Canada?) which was never even bumped, has new springs and
bushings all around, and the original brackets and spacers, but still seems
to have poor ride height symmetry?

This is like the murder in a locked room problem!

Is the floor that you are measuring off flat and level?

If so, I would presume that your car is exactly the way it was
delivered from the dealer.  And the frame is ACTUALLY straight!(?)

What to do?  The 1" and 0.5" height problem can't be corrected simply
by putting more spacers between the body and frame, I think.

I'd say the problem is in the front.  High on the D.S.  or Low on the P.S.
Can you switch the front springs left to right and see what happens?  I presume
that nothing will change.  I'd then recommend that you add a 5/8" spacer to the
low side to raise it by 1".  I bet that will have the side-effect
of lowering the opposite corner a little.

As I said, I am no expert and never actually had to deal with this problem
myself.  These are just some thoughts.  Lets see some other comments...

-Tony
ARhodes@compuserve.com

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