MatraSport Forum

can anybody tell me the dimentions of the murena 2.2 rear springs?

15.35 mm thread diameter. Nothing noted about the length of the unloaded spring, however.
Quoting the workshop manual.

Hmmm.. Its because I found a place in UK where they sell all sorts of different springs (mostly for rallying).. and I could pretty much choose what ever load rating I wanted if only I had the exact data on the standard ones.

The UK is loaded with companies like that... it's the worlds leading region for racing technology, period.

I think you need to talk to them about it. The diameter of the thread should tell them something about the stiffness of the spring, and if you are able to measure the weight load on each of the rear wheels, it should also be possible to specify the length of  each spring, given the geometries of the rear suspension and the ideal ride height of the car.

The ride height is the critical parameter as the semi-trailing arm suspension is tuned by adjusting that, so in my opinion, you should always aim for the factory specified numbers here (unless you are specifically tuning the set-up for a race or a track day). Changing camber on the rear changes the road handling properties of the car, which you don't want to do unless you really know what you are doing. This is something the Matra engineers worked hard to get right, and with their racing experience and direct access to one of Europe's best test tracks, they surely knew exactly what they were doing.

- Anders

My point exactly!
I want a stiffer rear end, but I dont want the car any lower then it already is.

use thisone to choose stiffnes and ridehight för your murena.  for thoose close to biltema  :)

http://hoftware.com/erally/btfjad.php

I would never fit any spare parts from Biltema on my car.... not even my everyday Golf II diesel "slave girl" :)

if I see your car live I will fill it with biltemastickers  :D 8) ;D

Uhhh that would really scare him ;D

With all respect I do not understand you...
I'd recon that most Biltema parts are better than the orig. parts from france in the 70's/80's... All this hype about Simca, Talbot & Matra?
Only reason I see for not fitting Biltema parts would be originality, and as you know that ain't a concern of mine, as long as the car can be taken back to original state at a later point.

If you got some stickers you can send them to me Oskar, then we can both keep an eye out for Krede's Murena...  :P