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Spring rate conversion #1638178
14/01/2020 09:30
14/01/2020 09:30
Joined: Feb 2006
Posts: 5,182
Essex
Trappy Offline OP
Forum is my life
Trappy  Offline OP
Forum is my life

Joined: Feb 2006
Posts: 5,182
Essex
Quick one peeps.

I'm looking at conversion charts for springs but can't find the particular conversion I'm looking for. I have BC coilovers with 6kg/mm springs. One is fractured so needs replacing and I'm thinking about switching to the 8kg/mm springs on the fronts while I'm at it.

I've seen a few references to the springs in FK coilovers at 80NM, 100NM and 110NM. How do these compare to the BCs? Is the NM figure simply divided by 9.81 to compare to KGs?

Cheers!

Last edited by Trappy; 14/01/2020 13:35.
Re: Spring rate conversion [Re: Trappy] #1638194
14/01/2020 17:00
14/01/2020 17:00
Joined: Oct 2008
Posts: 6,647
In the coupe.
magooagain Offline
Club Member 259
magooagain  Offline
Club Member 259
Forum is my life

Joined: Oct 2008
Posts: 6,647
In the coupe.
What's the thinking about going 8kl at the fronts?

You have probably read what others used at the end of Begbie thread. 6kl seemed the sweet spot.



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Re: Spring rate conversion [Re: magooagain] #1638195
14/01/2020 17:24
14/01/2020 17:24
Joined: Feb 2006
Posts: 5,182
Essex
Trappy Offline OP
Forum is my life
Trappy  Offline OP
Forum is my life

Joined: Feb 2006
Posts: 5,182
Essex
I hadn't seen that Joe. Most of the posts on BC coilovers are about the issues and I haven't gone over them in a while. I'll have a nose, cheers.

As for the thinking. Well, I assumed it was for a more aggressive set up, more for track use than the 6s. I've got nothing to gauge this against yet though so was trying to get an idea of their strength in relation to more tried and tested springs / coilovers.

Re: Spring rate conversion [Re: Trappy] #1638235
14/01/2020 21:43
14/01/2020 21:43
Joined: Oct 2008
Posts: 6,647
In the coupe.
magooagain Offline
Club Member 259
magooagain  Offline
Club Member 259
Forum is my life

Joined: Oct 2008
Posts: 6,647
In the coupe.
I'm sorry I can't contribute more on the subject as I don't know much about the technical stuff.
When doing mine I looked at who was sucsesfull at setting up a fast road/track coupe. So I kinda copied a few folks and ended up with Osrav's and eibach springs like Nigel's.

It has to be noted that a lot of track coupes have dropped a fair bit of weight of the front ends. I have even removed headlights.



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