Coilover Springs

F2 Stu

I. Am. Legend.
Oct 4, 2001
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Crawley, UK
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No offence intended, but its not what I asked for;)

I had harsher/firmer suspension before coilover, was much lower than it is now but with no driveshaft issues.
 

ibizacupra

Jack-RIP my little Friend
Jul 25, 2001
31,333
19
glos.uk
Perfectly aware what springs & ARB's do/wont do

Funnily enough FK doesn't tell what the springs rates are....:whistle:

Shooting fish in a barrel yes but need acertain a benchmark somhow...

Looking at a tweeks catologue its no one size fits all.

any numbers on them Stu? like 20/100 and the like? (example being 20n/mm 100mm long) as an example, can also be numbered 60-20-100 where the 60 is the spring ID.

Eibach do 60mm ID springs in assorted lengths/rates including assistor springs.
worth checking what available damper travel there is at your ride height be it internal bump stop or external type.

As ref info for you, Bilstein PSS9 kit I had was 280lb front springs and 225lb rears when I had them checked. Bilstein would'nt tell me either.

My race car runs 540lb front and 340lb rear currently on combination of KW and Eibach springs.

I can get Eibach race springs if you get stuck. Not cheapest but quality units, than the likes of faulkner. Raldes to an assortment of spring rates to. (in 2.5" which need little spacers to centre the slightly bigger Id spring on the seat)

{edit} also, on full droop are your springs still retained under compression? If you go firmer springs, the ride height will increase, so you will need to allow for this on the choice of free spring length and combination of main/assistor springs, as well as total available travel @ your chosen ride height.

I was under the illusion I had suspension travel on my pss9's but when changing the car into race mode found my actual available travel was less than 1/2" and the rest was bumpstop, so the spring rates I "thought" I had were a nonsense.

got me loadsa springs from much trial and error, but dont forget ARB's (rear especially) on roll control. Too firm a spring will be extremely nervous. I have run 740lb front and 900lb rear. Was a very pointy car but would hop on every bump. (forget road driving)
 
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F2 Stu

I. Am. Legend.
Oct 4, 2001
5,577
0
Crawley, UK
Visit site
I'll have to whip one side off to measure them etc - springs had loads of numbers on them but is all greek to me.

By full droop do you mean wheels in the rear with no load on them?

If so there is compression but not a vast amount - you can spin and turn the spring around in the seat by hand.

Thanks for the assistance guys:)
 

ibizacupra

Jack-RIP my little Friend
Jul 25, 2001
31,333
19
glos.uk
I'll have to whip one side off to measure them etc - springs had loads of numbers on them but is all greek to me.

By full droop do you mean wheels in the rear with no load on them?

If so there is compression but not a vast amount - you can spin and turn the spring around in the seat by hand.

Thanks for the assistance guys:)

full droop is yes, wheel in air.
some compression is fine, loose and rattly is not.
 
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