Well I'm glad I opened my big mouth! I guess I'll keep my +7 degrees
caster. And if the tire wear is even at -1.5 camber, what can I do to
desensitize the steering?
The underdrive pulleys helped a bit, probably by slowing down the power
steering pump. But I would like to make the car just a bit less twitchy.
Any advice?
Thanks,
> -----Original Message-----
> From: james creasy [mailto:Black94PGT@pacbell.net]
> Sent: Wednesday, April 10, 2002 14:19
> To: John J. Stimson-III; Michael R. Clements
> Cc: 'J C'; ba-autox@autox.team.net
> Subject: Re: Educate me on alignment
>
>
> more positive caster increases the self-centering force,
> stabilizing the car.
>
> more importantly, (in my double a-arm suspension anyway),
> more positive caster increases the rate of negative camber
> gain under compression- a good thing!
>
> -james c
> OSP - Often Suspension Primping
>
> ----- Original Message -----
> From: "John J. Stimson-III" <john@harlie.idsfa.net>
> To: "Michael R. Clements" <mrclem@telocity.com>
> Cc: "'J C'" <veloimpreza@yahoo.com>; <ba-autox@autox.team.net>
> Sent: Wednesday, April 10, 2002 2:07 PM
> Subject: Re: Educate me on alignment
>
>
> > On Wed, Apr 10, 2002 at 12:44:13PM -0700, Michael R. Clements wrote:
> > > For example, my car turns in too fast and the steering
> gets darty at
> > > freeway speeds. Also it has too much power oversteer. So
> when I get
> > > my alignment done next, I'm going to reduce the positive
> caster up
> > > front from its current +7 degrees, down to maybe +5 or
> so. Hopefully
> > > that will slow down the steering and make it a bit less twitchy.
> >
> > I thought that caster stabilized the steering by creating a
> > self-centering force. I would think that less caster would
> make the
> > car more twitchy. Some Miata drivers who traded off their
> caster to
> > get more camber wound up having the steering wheel pull to
> the inside
> > of the turn when the course got tight. That's got to take you by
> > surprise...
> >
> > Have you considered a little less toe out (or more toe in) up front?
> >
> > --
> >
> > john@idsfa.net
> John Stimson
> > http://www.idsfa.net/~john/
> HMC Physics '94
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