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Author Topic: Rims & tires  (Read 10246 times)
tjommi
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Posts: 16


« Reply #15 on: October 06, 2013, 09:18:12 pm »

I got myself a set of "new" rims today. They have to be restored so the picture is borrowed from the interwebs...

I wanted ATS Classics in 15" but I could only find 13" Classics. Then these beauties came on my path. 15" ATF rims. I got the set of 4 for only 50 Euro's...



Now I have to figure out if I wish to polish the rims or coat them silver...

Martijn

Nice rims! I would have kept them silver, polished is to "flashy" Wink
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MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
tjommi
Newbie
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Posts: 16


« Reply #16 on: October 06, 2013, 09:22:37 pm »

I'm looking for something like these for my Murena
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MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
GP
Sr. Member
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Posts: 244



« Reply #17 on: January 18, 2014, 09:16:54 am »

You can get a very lightweight (4.5 - 5kg) similar 15" 3-piece  wheel from Force Racing in the U.K.

They will make any offset you require and colour finish to your specification.

They also have a new range coming soon.

http://www.force-racing.co.uk/wheels-15/

P.S. I am having some very impure thoughts of commissioning a set of the Turbo TF's in the second and third images. Ooh they are so 70's and with a few beers a bit like the original 14" Murena wheels? Undecided
« Last Edit: January 18, 2014, 10:16:30 pm by GP » Logged
GP
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Posts: 244



« Reply #18 on: January 18, 2014, 10:22:16 pm »

As an aside I have just had my 80's Lancia Delta Integrale Wheels fitted to my Murena (7J x 15" E.T. 27 - 9.5kg) refurbished ready for UK Route 2014 after many years of abuse. They are actually better now than when I bought them.
Below them is a 6.5 J x 15 E.T. 27 Spanish Braid Wheel I use for different compound tyes.
« Last Edit: January 20, 2014, 05:36:39 pm by GP » Logged
tjommi
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Posts: 16


« Reply #19 on: April 23, 2014, 09:54:59 am »

I now have a set of 16" on hand. 7,5x16 ET35 58,1 center bore. Is there anyone that can verify that these will fit? I know i might have to use a spacer to compensate for the high ET, but my main concern is the bore.
Thanks in advance  Smiley
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MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
GP
Sr. Member
****
Posts: 244



« Reply #20 on: April 23, 2014, 07:36:18 pm »

Yes 58.1mm bore is correct for the Murena.
I agree you will need some spacers.  10mm + depending on your tyre selection.
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Matra_Hans
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Posts: 642


Owner of Bagheera, Rancho, Murena & Espace


« Reply #21 on: April 23, 2014, 08:21:40 pm »

Hi,
I have just measured my wheel hubs and I got the result 58 mm so 58,1 will fit.
However the offset (ET) of 35 mm will (If I have understood the system) be more problematic. as the figure is too high, which you cannot compensate for If ET is too small you can compensate with a spacer.

http://www.tirerack.com/wheels/tech/techpage.jsp?techid=101

regards Hans
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tjommi
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Posts: 16


« Reply #22 on: April 23, 2014, 10:24:39 pm »

Hmmm. I thought it was the other way around? The higher offset, the further "in" the wheelwell. Low offset further out, but i could be mistaken  Smiley
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MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
alfafred
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Posts: 50


Murena 2,2 S


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« Reply #23 on: April 23, 2014, 10:43:29 pm »

Correct.
7" ET 40 will be deep under the car, 7" ET 10 will be almost at the outside of it.....
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tjommi
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Posts: 16


« Reply #24 on: April 23, 2014, 11:08:26 pm »

So if you have a wheel with ET35 and use a 10mm spacer, that would be equal to a wheel with ET25?
« Last Edit: April 23, 2014, 11:15:54 pm by tjommi » Logged

MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
GP
Sr. Member
****
Posts: 244



« Reply #25 on: April 24, 2014, 08:52:23 am »

This tool below gives a clear visual answer.

For example I have a 7 inch x 15" wheel with an offset of ET 27mm. These are fine with a 205 tyre, but if I go up to a 215 tyre  I have paint removed from the trailing arm and use a 10mm spacer. If I went to a 7.5 inch x 16 inch wheel with an offset of ET 37mm the tool below shows a 14mm extension inboard which probably require a spacer. There will be no problems with the wheel arch clearance, as it is slightly smaller than mine. Type the numbers in and play.

I hope this is clear now?


http://www.oponeo.co.uk/advice-and-tips/wheel-offset-calculator
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tjommi
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Posts: 16


« Reply #26 on: April 24, 2014, 06:13:59 pm »

Thanks! I'll play with some numbers and see how I end up Smiley
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MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
tjommi
Newbie
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Posts: 16


« Reply #27 on: April 30, 2014, 10:10:44 pm »

Looks like a perfect fit up front Grin But I need to replace my wheel bolts as well. Can anyone give me some details on thread pattern and so on? What bolts fit the Murena?
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MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
GP
Sr. Member
****
Posts: 244



« Reply #28 on: May 01, 2014, 09:52:59 am »

Looks like a perfect fit up front Grin But I need to replace my wheel bolts as well. Can anyone give me some details on thread pattern and so on? What bolts fit the Murena?

60 deg. taper with M12 thread x 1.25mm pitch x 22mm thread length fits a standard wheel O.K.

Bolts obviously need to be longer in proportion to your spacers required.

Simon auto-de do a selection of spacer/bolts if you scroll down this link:

http://www.simon-auto.de/matra/englisch/mur_tuning.htm



« Last Edit: May 01, 2014, 09:56:06 am by GP » Logged
tjommi
Newbie
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Posts: 16


« Reply #29 on: May 01, 2014, 01:50:17 pm »

Thanks! Will be picking them up tomorrow. Hopefully I'll get to fit them to the car sometime during this weekend. Going to a car show this saturday, and it would be fun to go in the Murena sporting some fresh new wheels  Grin
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MY 1981 Matra Murena 2.2 (Rolling project)
MY 2014 Tesla Models S
MY 2002 Impreza (trackday car)
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