[A4] suspension theory thoughts, questions, etc - grooved shocks

Grant Lenahan glenahan at vfemail.net
Thu Jan 11 07:58:25 EST 2007


What, precisely is adjustable about the top perch, and how can you 
preload a car spring?

Grant
On Jan 11, 2007, at 7:16 AM, Taka Mizutani wrote:

> Adjustable lower and upper perches definitely do exist- they're pretty 
> common
> on the coilover setups for the Japanese cars- I know I'd get that type 
> of setup if
> I were to go coilover on the STi. Allows you to separately adjust 
> spring preload
> and ride height, which is really nice. Add two-way adjustable damping 
> and camber
> plates and you have a really trick setup that's way too adjustable for 
> 90% of people
> who buy these things. Takes way too much tweaking to get right unless 
> you have
> a baseline setup already developed for the car.
>
> Taka
>
>
> On 1/10/07, Grant Lenahan <glenahan at vfemail.net > wrote:
>> > in looking at 'real' "coilover" designs [i too have always thought 
>> it
>> > funny that they're called coilovers when pretty much every 
>> suspension
>> > i've come across is a shock inside a spring] they do all use the 
>> same
>> > principal - an adjustable lower perch. with the exception of the
>> > stasis motorsport coilovers, these look like they have an adjustable
>> > upper perch as well. and they outta at 4grand.
>>
>> I have never seen an adjustable upper perch. What you may have seen is
>> a camber plate, whcih allows you to adjust CAMBER, but not ride 
>> height.
>>   Its a slotted plate you attach the strut top to.


More information about the quattro mailing list