[Shotimes] Eibach springs with stock struts?

[Ian Fisher]

I don't have the coil ratings in front of me but I
would imagine that the front springs are rated much
higher to accomodate all of the weight up front as
opposed to the rears. ie, the rear springs are
naturally softer because most of the weight in the
Taurus is up front.

I've seen this happen before on other cars, Hondas,
SHO's, etc. People install higher rate springs but the
OE or OE style strut isn't valved to handle the
spring.  As a result, the car bounces over everything.

Ian


--- Dave Garber <dgarber@servicelinklp.com> wrote:

> Then why doesn't the rear act the same way? The rear
> of the car rides
> great - whether I have two 230lbs+ adults back
> there, or whether I have
> no one back there. It's just the front.
> 
> I've replaced springs in other cars I've owned
> without changing
> shocks/struts and never experienced this school bus
> bouncy ride before.
> Sure, the ride gets stiffer, but never bouncy like
> this thing.
> 
> 
> Dave Garber
> 
> 
> 
> 
> 
> 
> 
> > Ah, spring-mass-damper systems...  
> > 
> > ya'll take differential equation in college?
> > 
> > it's a second order (ax'+bx+c=0) system and you
> are changing some of 
> > the terms by changing the springs.  Particularly
> you have affected the
> 
> > 'b' term in the equation.  Now, without having
> real numbers to work 
> > with, I would say that you probablt don't want to
> make b larger 
> > without making a larger as well.
> > 
> > In real world terms, the spring creates more force
> now, and the 
> > dampener (if as stiff, or potentially less) cannot
> counter the higher 
> > foces (bx) that the spring generated.  the end
> result is an 
> > ocillation, and a quesy feeling, and jokes about
> hydraulics.  I would 
> > say that you need to increase the dampener effect
> in front.  I think a
> 
> > good approach would be to look at how stiff these
> are compared to what
> 
> > came out, and what possiblilites you have, and
> then select something 
> > with better damping force.
> > 
> > Z
> > 
> > PS, i use an eibach/tokico setup on all 4 corners
> and find it quite
> good.
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