fot
[Top] [All Lists]

Re: [Fot] TR frame square, straightness?

To: Kas Kastner <kaskas@cox.net>
Subject: Re: [Fot] TR frame square, straightness?
From: robert bownes <bownes@seiri.com>
Date: Wed, 22 Sep 2010 14:15:33 -0400
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
> ---------------------------------------------------------------------------
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe: http://autox.team.net/mailman/options/fot/kaskas@cox.net
>
>
>
> --
> Never be beaten by equipment
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe: http://autox.team.net/mailman/options/fot/bownes@web9.com
_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Donate: http://www.team.net/donate.html
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums


<Prev in Thread] Current Thread [Next in Thread>