[DeTomaso] Sway Bar Mounts on A-arms

[boyd casey]

That's basically what I am doing. I got poly graphite bushings that I am
using for all my a-arm
bushings and rubber bushings for my sway bars. I was just about to order a
pair of heim ball ends for my rear sway bars and my advisor ( this gut is a
designer custom fabricator, used to own his own sprint car team and had a
business that designed and fabricated turbbo charger and super charger
systems. He has scales and knows how to set up a suspension for full race
and how to set up suspwnsion for street cars and everything inbetween. I am
having my front upper a-rms modified by johnny woods and he is doing the
modification that increaseses the available caster from the stock 2.5
degress up to the 7.00 degress and they have a built in camber lock. He told
me that going with heim balls on the end of my rear sway bars would transfer
all the body roll from the whell on one side all the wat to the opposite
whell and could cause a dangerous situation in a street situation where the
road surfcae is less then perfect. Since I will be driving mostly on the
street I need to balance that with the ability to adjust the suspension for
the track WHEN I NEED IT!. The way he explained it it is better toset up for
the street and hve to run on the track then to be set up for the track and
run on rough street conditions. The rough conditions can cause one to lose
control .
Boyd

On Sat, May 8, 2010 at 11:17 PM, Charles Engles <cengles at cox.net> wrote:

> Dear Boyd,
>
>
>          I am no expert, but I think your friend is right.
>
>          Another point for the rubber bushings was Bob Woodhouse's
> recommendation to use poly urethane all around the suspension *except* for
> the front sway bar mounts.   FWIW.
>
>
>                 Warmest regards,  Chuck Engles
>
>
>
>
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
> On
>  Behalf Of boyd casey
> Sent: Saturday, May 08, 2010 6:20 PM
> To: JDeRyke at aol.com
> Cc: tborcich at msn.com; detomaso at realbig.com
> Subject: Re: [DeTomaso] Sway Bar Mounts on A-arms
>
> I was discussing my suspension modifications and build today with a friend
> of mine from my car club who is an expert at race car building and set up
> and I mentioned my desire to install 1" sway bars and heim joints. I was
> told that this would be ideal for the race track but could cause serious
> problems if used on the street and one were to encounter fough road
> conditions. I was told that this set up while being very efficent at
> preventing body roll , but when one encounters rough or uneven road
> surfaces
> the sway bar with heim ball ends it would be very unforgiving in
> transfering
> force from on side of the car to the other  and could result in putting the
> car and driver in a very difficult position if either encountered poor road
> conditions. He suggested I retain the conventional rubber bushings for the
> sway bar.
> Boyd
>
> On Sat, May 8, 2010 at 3:29 PM, <JDeRyke at aol.com> wrote:
>
> > In a message dated 5/8/10 10:41:49 AM, tborcich at msn.com writes:
> >
> > > I recall a number of months back someone commented that I should add
> > > additional support to the sway bar mounts on the a-arms because theirs
> > pulled
> > > right off the arm from loading?
> > >
> > Yes, under some circumstances. If you run a big swaybar bar AND
> > polyurethane bar-end bushings AND drive fast on bumpy roads, the poly
> > bushing on the
> > end is so non-compliant it flexes the little bar mount rather than
> > deforming
> > the poly end. Fatigue-cracking follows after a while. So you can weld up
> > mount reinforcements, or (better) you can add sphere-ball ends to the
> bars
> > and
> > use poly only for the centeral bar-pivots. This results in much freer
> > antiswaybar action and a lighter more stock suspension. With the
> > sphere-balls
> > installed on both ends of both bars, you can actually feel the difference
> > with
> > the same bar! Most of the vendors sell some sort of sphere-ball bar ends
> > and
> > they are highly recommended. FWIW- J DeRyke
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