[DML] Reply Steve Cosgrove -- Bushings (Upgraded Front Suspension)
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[DML] Reply Steve Cosgrove -- Bushings (Upgraded Front Suspension)



Just a gentle reminder to check your fluids. Nobody else at my church bothers to do that, so the lady who drives one of our school buses apparently drove all week without any fluid in the radiator, and now I've got a real mess on my hands (after the rain stops I will do a compression test and find out how tough International Harvester V8's really are...). 

Back to Steve's question: the Workshop Manual shows the usual orientation. I turned my bushings around on purpose, so that the sway bar will be pressing into an empty space rather than into a solid bushing -- an accommodation for my stiffened lower control arm assemblies.

Bill Robertson
#5939

--- In dmcnews@xxxxxxxxxxxxxxx, S C <dmamessages@...> wrote:
>
> Bill,
> 
> In figure 15 in the workshop manual under the front suspension page, the
> picture shows the crumple extension upside down.  Despite the orientation
> of the picture, it shows the split in the bushing facing towards the narrow
> part of the extension.  To me that means the split should be towards the
> front for factory orientation, no>?
> 
> http://dmctalk.org/attachment.php?attachmentid=243&d=1306354514  Page 11
> figure 15
> 
> -Steve Cosgrove
> Vin 1494
> 
> On Wed, Nov 9, 2011 at 11:43 AM, content22207 <brobertson@...>wrote:
> 
> > **
> >
> >
> > Split towards the back *IS* factory (Illustration on Page J:09:01 of the
> > workshop manual is from the front).
> >
> > This is backwards (intentionally) -- split towards the front:
> > http://a7.sphotos.ak.fbcdn.net/hphotos-ak-ash4/s720x720/375011_267060150005909_100001057778755_815811_2047237322_n.jpg
> >
> > Bill Robertson
> > #5939
> >
> >
> > --- In dmcnews@xxxxxxxxxxxxxxx, S C <dmamessages@> wrote:
> > >
> > > Rob,
> > >
> > > I just wanted to correct myself from the statement that I mentioned on
> > the
> > > Fall Tour which was posted on the DML. I was wrong in saying that the way
> > > the bushings are installed at your shop split towards the back (front
> > sway
> > > bar bushings). I took a look at my suspension and it is indeed installed
> > > the same way as the factory pictures show. This is how I have always
> > > installed them after you (Grady) showed me how to install it at your
> > shop.
> > > My memory was just reversed in thought that night. I just wanted to clear
> > > that up.
> > >
> > > -Steve Cosgrove
> > >
> > > On Thu, Oct 27, 2011 at 10:22 AM, Rob Grady <rob@> wrote:
> > >
> > > > **
> >
> > > >
> > > >
> > > > Bill,
> > > >
> > > > I don't know who said that but they were mistaken as I normally leave
> > the
> > > > bushings in the original factory position.
> > > >
> > > >
> > > > Rob Grady
> > > >
> > > > P.J. Grady Inc.
> > > >
> > > > From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On
> > Behalf
> > > > Of
> > > > content22207
> > > > Sent: Thursday, October 27, 2011 9:15 AM
> > > > To: dmcnews@xxxxxxxxxxxxxxx
> > > >
> > > > Subject: [DML] Re: Upgraded Front Suspension
> > > >
> > > > This is why I left rubber bushings in the crumple extension mounts
> > (LCA end
> > > > is polyurethane). I also turned them around so the meaty side is
> > towards
> > > > the
> > > > back (sway bar arc pushes forward into an empty space). Horizontally it
> > > > makes no difference which way the bushing is turned.
> > > >
> > > > Combined with the 45 degree shape of our sway bars (Lotus' sway bars
> > have a
> > > > sharp 90 degree bend), I think arc of travel arguments are a Red
> > Herring.
> > > >
> > > > An owner at FFT'11 told me Rob Grady turns his bushings around as
> > normal
> > > > practice even on OEM suspensions, probably to try and minimize the LCA
> > > > pulling backwards during braking.
> > > >
> > > > Bill Robertson
> > > > #5939
> > > >
> > > > --- In dmcnews@xxxxxxxxxxxxxxx <mailto:dmcnews%40yahoogroups.com> ,
> > Marc
> > > >
> > > > Levy <malevy_nj@> wrote:
> > > > >
> > > > > Thanks Mike..
> > > > >
> > > > > So, in the Lotus application there was no obvious changes made to
> > allow
> > > > for the arc travel of the ARB? The movement is absorbed by the ARB
> > itself?
> > > > Or did they maybe use softer bushings?
> > > > >
> > > > >
> > > > > --- On Thu, 10/27/11, Michael Griese <mike.griese@> wrote:
> > > > >
> > > > > > From: Michael Griese <mike.griese@>
> >
> > > > > > Subject: Re: [DML] Upgraded Front Suspension
> > > > > > To: dmcnews@xxxxxxxxxxxxxxx <mailto:dmcnews%40yahoogroups.com>
> > > > > > Date: Thursday, October 27, 2011, 1:22 AM
> > > > > > Basically Lotus modified the original
> > > > > > LCA to take on a lower A arm geometry.
> > > > > > They separated the fore/aft location of the LCA from the
> > > > > > ARB by adding the extra
> > > > > > piece. The washer you see is not a collar but a
> > > > > > washer used to compress the
> > > > > > bushing on the end of the ARB. The reasons Lotus did
> > > > > > this was the improvements
> > > > > > in tire technologies over the years, the increase in
> > > > > > horsepower available from
> > > > > > the drivetrain and the improvements in braking. The
> > > > > > improved grip of
> > > > > > performance tires was starting to overwhelm the suspension
> > > > > > design.
> > > > > >
> > > > > > --
> > > > > > Mike
> > > > > >
> > > > > >
> > > > >
> > > >
> > > > _____
> > > >
> > > > No virus found in this message.
> > > > Checked by AVG - www.avg.com
> > > > Version: 10.0.1411 / Virus Database: 2092/3975 - Release Date: 10/26/11
> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
> > > >
> > > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >  
> >
> 
> 
> [Non-text portions of this message have been removed]
>




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