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Author Topic: Murena 2.2 springs  (Read 5009 times)
krede
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« on: January 08, 2007, 08:18:02 pm »

can anybody tell me the dimentions of the murena 2.2 rear springs?
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Anders Dinsen
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« Reply #1 on: January 08, 2007, 10:33:34 pm »

15.35 mm thread diameter. Nothing noted about the length of the unloaded spring, however.
Quoting the workshop manual.
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
krede
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« Reply #2 on: January 09, 2007, 10:06:10 am »

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.
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Anders Dinsen
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« Reply #3 on: January 09, 2007, 10:50:33 pm »

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

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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
krede
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Posts: 1166



« Reply #4 on: January 10, 2007, 08:40:47 am »

Quote
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

My point exactly!
I want a stiffer rear end, but I dont want the car any lower then it already is.
« Last Edit: January 10, 2007, 08:44:42 am by krede » Logged
Oskar
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« Reply #5 on: April 13, 2009, 09:03:36 pm »

use thisone to choose stiffnes and ridehight f÷r your murena.  for thoose close to biltema  Smiley

http://hoftware.com/erally/btfjad.php
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peugeot 205 gti
murena 1.6
krede
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« Reply #6 on: April 14, 2009, 09:19:02 pm »

I would never fit any spare parts from Biltema on my car.... not even my everyday Golf II diesel "slave girl" Smiley
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Oskar
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« Reply #7 on: April 14, 2009, 10:53:52 pm »

if I see your car live I will fill it with biltemastickers  Cheesy Cool Grin
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peugeot 205 gti
murena 1.6
Anders Dinsen
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« Reply #8 on: April 15, 2009, 08:16:04 am »

if I see your car live I will fill it with biltemastickers  Cheesy Cool Grin

Uhhh that would really scare him Grin
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
Waldo
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Diesel power :o)


« Reply #9 on: April 15, 2009, 10:24:46 am »

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...  Tongue

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

« Last Edit: April 15, 2009, 10:26:54 am by Waldo » Logged
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