suspension theory thoughts, questions, etc - grooved shocks

[Taka Mizutani]

No it sounds like he is saying that by increasing the spring preload, the
spring
rate is increased.

No one is talking about changing springs or running coilovers- the original
post was about
using the different spring perch heights on grooved Bilsteins with the same
springs.

Taka

On 1/10/07, LL - NY <larrycleung at gmail.com> wrote:
>
> I assuming your last point was if you choose a spring for the coilovers
> that
> has a higher rate than the one that was replaced, correct? If so, all is
> correct.
>
> LL - NY
>
> On 1/10/07, David Giannandrea <david.giannandrea at sbcglobal.net> wrote:
> >
> > I think you've got the wrong impression about how the adjustable spring
> > perch works. You need to lower the lower perch to lower the car. When
> the
> > car is off the jacks you will see the body settle into the spring by
> > several
> > inches, so that the body can move both UP and DOWN on the strut.
> >
> > Two more important considerations: The weight of the car doesn't change,
> > the
> > force applied by the spring doesn't change. What does change is the
> spring
> > rate so that the body will not move as far against a stiffer spring when
> > the
> > same force is applied. The increased spring rate will resist with
> greater
> > force (ie less movement) any movement by the body. Such as going over a
> > bump, through a swale,leaning into a corner, etc).
> >
> > I hope that helps. I can't draw pictures in text.
> >
> > David
> >
> >
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