fot
[Top] [All Lists]

Re: [Fot] Fwd: Re: Neg. camber on 1964 tr4

To: fot <fot@autox.team.net>
Subject: Re: [Fot] Fwd: Re: Neg. camber on 1964 tr4
From: Kas Kastner <kaskastner@gmail.com>
Date: Sun, 10 Mar 2013 12:06:42 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <CAGiQU1C3+0_VpJaeQP0+uwbuFgyGb27=gmu9VjLP=1CyhHgs=Q@mail.gmail.com> <513CD10E.5030209@pobox.com>
*Never be beaten by equipment.*



> I was probably the first to turn the upper "A" arm fulcrum around back
> in 1958 trying to get some negative camber. This move does not give
> enough change in the camber. You just about have the wheel straight up
> only, eleminating the factory setting of positive camber.
>   In the end I had to bend the verticle link to get the desired two
> degrees negative. I describe several other methods of achieving a
> negative camber in my first book, the Triumph Preparation Handbook,
> try pages 202-205 for some more information..
>
> *Never be beaten by equipment.*
>
>
>
> On Sun, Mar 10, 2013 at 8:42 AM, Larry Young <cartravel@pobox.com
>
>     It seems like it would be difficult to get enough change in camber
>     for a TR3/4 by reversing the fulcrum.  The factory spec is +2
>     degrees, so it takes quite a lot to get to -2.  Lowering helps a
>     little, less than 1/2 degree.  If you shorten the upper A arms as
>     many of us have done, you have to remove at least 1/2 inch.  I wrote
>     a short report when I studied the suspension on my TR3 (see
>     http://tildentechnologies.com/downloads/TRsuspension.PDF). There is
>     a neat way to shorten the upper A arms that I discovered from Bob
>     Kramer that does not involve cutting them in two.  I can put up a
>     photo if anyone is interested in it.  The modification is not
>     obvious for organizations that do not permit Heim joints, etc.
>     Larry
>
>     On 3/9/2013 1:14 PM, Tony Drews wrote:
>
>         What Richard Good just described for the TR-6 applies to the
>         TR-4 as well.
>
>         Tony
>
>         Richard's message if you missed it:
>         "Reversing the upper fulcrum from factory orientation pulls the
>         control arms in 1/4" and adds about 1.3 degrees negative camber
>         if I remember my calculations correctly.  You can do it without
>         removing the control arms from the fulcrum. Just remove the four
>         bolts holding the fulcrum to the tower and the two bolts through
>         the ball joint and remove the whole assembly.  Then hold the
>         fulcrum and spin the control arms 180 degrees then bolt the
>         whole assembly on the other side of the car.  This keeps the
>         front control arm in the front but reverses the fulcrum.
>
>         Preferred camber will depend on the tires.  The Hoosier A6's
>         that I run for autocross and hillclimb want 3 degrees.  They are
>         225/45-15 on 7" rims.  To get that much camber and to keep the
>         tires clear of my unmodified fenders I reversed the fulcrums and
>         then slotted the bolt holes to slide them in even further.  I
>         just took the worn out tires off and the fronts wore fairly
>         even.  The rears were also set at 3 degrees but wore more on the
>         inside from squatting under power.  I backed it off to 2 degrees
>         to see how that works out.  Also changed to a slightly stiffer
>         spring."
>
>         At 11:22 PM 3/8/2013, Jon Gannaway wrote:
>
>             I am preparing a 1964 tr4 to vintage race in California.  I
>             am looking for
>             simple and easy ways to get negative camber  in the car.
>               Any suggestions
>             would be helpful.
>
>             Jon Gannaway
>             831-402-4080
>
>
>             Disclaimer: The information in this e-mail transmission, or
>             the documents
>             accompanying this e-mail transmission, may contain
>             confidential health
>             information that is legally protected by state and federal
>             law, including, but
>             not limited to the Health Insurance Portability and
>             Accountability Act of 1996
>             and related regulations. This information is intended only
>             for the use of the
>             individual or entity to whom this e-mail transmission is
>             addressed. If you are
>             not the intended recipient of this information, or if you
>             are not properly
>             authorized to receive this information, you are hereby
>             notified that any
>             disclosure, copying, distribution or action taken in
>             reliance on the contents
>             of this e-mail or the attached documents is strictly
>             prohibited. If you have
>             received this information in error, please notify the sender
>             immediately by
>             sending a reply e-mail indicating that you have arranged for
>             the deletion of
>             this e-mail and a destruction of this e-mail and any
>             attached documents.
>             _______________________________________________
>
>             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/Manage:
>             http://autox.team.net/mailman/options/fot/tony@tonydrews.com
>
>         _______________________________________________
>
>         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/Manage:
>         http://autox.team.net/mailman/options/fot/cartravel@pobox.com
>
>     _______________________________________________
>
>     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/Manage:
>     http://autox.team.net/mailman/options/fot/kaskastner@gmail.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
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/kaskastner@gmail.com
_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://www.team.net/archive


<Prev in Thread] Current Thread [Next in Thread>
  • Re: [Fot] Fwd: Re: Neg. camber on 1964 tr4, Kas Kastner <=