My 72 GT6 has a shim on top of the L front spring for what I presume is the
same purpose.
On Wed, Sep 22, 2010 at 2:07 PM, Kas Kastner <kaskas@cox.net> wrote:
> The TR-3 cars were assembled with a shim under the right rear spring so
> that the right rear was lower and that raised the left front to compensate
> for the drivers weight. We had dozens of people complain about their cars
> sitting with the left front high and all we had to do was take out he little
> shim. I used this in racing my car to adjsut for the various right and left
> turn tracks.
> ---- "Robert M. Lang" <lang@isis.mit.edu> wrote:
>
> =============
> On Tue, 21 Sep 2010, Greg ''Lunker'' Hilyer wrote:
>
> > Here's a urban myth to run by the group. I actually believe it to be true
> as
> > I've run into it more than once.
> > They were set-up that way to compensate for LHD on crowned roads. RHD
> would
> > have the corresponding difference on the other side.
> > Thoughts?
>
> I have no idea if this is UM, but I do know that a good alignment person
> can fine-tune your aligment for your driving style. If thrust angle is
> within spec, you can tweak the toe to get the car to react to the crown of
> the road aka, to track straighter with less steering input depening on
> the type of driving that you describe to the tech.
>
> Now, I honesty doubt that Triumph or any manufacturer would dial in _3/8"_
> of twist to a frame. I'd be willing to bet that the frame specs are +/-
> 1/8" or less.
>
> My personal take on the question would be - get the frame square and
> plumb. You cannot go wrong with a solid baseline. Put another way, look at
> how much difference 1/16" of toe change can produce. You can turn a car
> from a PIG to a GEM with a small ajustment like that. 3/8 is a LOT of
> alignment to make up for with shims and so forth, especially if you start
> stacking tolerances (like bent suspension bits and so-forth) - a common
> problem for 50 year old cars. And twist will totally screw up your corner
> weights or your attempts to accomodate them.
>
> Just my humble opiion, of course.
>
> regards,
> rml
> ---------------------------------------------------------------------------
> Bob Lang Triumph TR6!! | This space for rent
> 2010 NER Solo Chair |
> Voice:617-253-7438 | Cell: 339-927-4489
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