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Author Topic: EOW 1W MATRA 1.9 RESTORATION  (Read 72790 times)
TELBOY
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« Reply #165 on: March 30, 2019, 02:17:36 pm »

Hi all, I need a recommendation for a battery, (make and model or type number) The two I got with the cars are now defuncked! They were also too big. Also which other cars have the same type of battery clamps for securing the battery. Thanks in advance for your help.
Tel
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murramor
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« Reply #166 on: April 01, 2019, 04:08:48 am »

This is one from left field and may not appeal to everybody.  What I use on my older cars that are not used as regularly, as I would like, is an Odyssey PC680 Absorbed Glass Mat battery.


They are tiny and light and claim to lose only 1% of their charge per month.  I find them quite adequate for cars from pre-computer days although they look too small to do the job.  It is possible to buy a tray to hold them so they are quite easy to fit.  I use spade terminals that screw on to the top of the posts in order to avoid any chance of them shorting against the metal hold down strap.

I won't be near my car for a few days so I can't show a picture of the installation so I have stolen a picture off eBay.
regards
Ron
Sydney
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Ron Murrell
Sydney, Australia
roy4matra
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« Reply #167 on: April 05, 2019, 11:28:04 am »

Hi all, I need a recommendation for a battery, (make and model or type number) The two I got with the cars are now defuncked! They were also too big. Also which other cars have the same type of battery clamps for securing the battery. Thanks in advance for your help.
Tel

(See my FAQ page six, which covers batteries for the Murena)

The Murena had a small battery which was only 135mm wide at the hold down strips along the base where the clamps fasten.  Originally it was 265CCA (cold cranking amps) with a 35-40Ah rating.  You can do slightly better today with the same size since an '049' battery will have 300CCA (so more starting power) and a similar or better 40-45 Ah rating.  These are wet Lead-Acid batteries.  You might sometimes see a better one with 330CCA but these don't always have the hold down strips at the base for the clamps and are specified as 129mm wide; so you will have to devise another method to secure that battery.

A.G.M. (advanced glass mat) batteries which usually contain a gel and not a liquid, are much better, and as Paul says only lose about 1% charge per month compared to a lead-acid battery which can lose 1% per day, but they are generally up to four times the cost here in the U.K.  They also must have a special charger if you charge the battery yourself as they don't like rapid charging or heat, so the charger monitors the battery whilst charging.

One of the biggest advantages of an A.G.M. battery is that you can 'deep cycle' it.  This means you can re-charge it when it has gone very flat and the battery suffers little damage.  A modern wet lead-acid battery cannot be deep cycled any more like proper lead plated batteries used to be cable of, back in the fifties or before.  If you let a modern lead-acid battery go flat (even sometime down to 70% charge) and then recharge it, it will never be as good and can let you down at a moments notice.  This is because as the charge drops really low the plates sulphate and the battery will never be as good afterwards.  You could be using the car fine one day and next day the battery is flat and won't even turn the engine over!  The answer is to use the car regularly and never let the battery go flat.

Because they only lose charge very slowly A.G.M. batteries are often used in boats which get intermittent use and some people use them in classic cars for the same reason.  However, the range is very limited especially in the size we need in the Murena, so there is only one I know of in the U.K. that is suitable and that is the Optima 'yellow top' YTS 2.7 which costs around £130 and does not have the hold down strips either, so you would have to devise another method to secure the battery.  It does have a higher specification as it is rated at 460CCA and 38 Ah and should have a multi-year warranty but one stockist only claims a one year warranty, which is pathetic for such an expensive battery.  In comparison a Varta B32 or B34 '049' lead-acid battery has a 4-year warranty!  Yet the Optima should outlast any lead-acid battery and should last probably 10 years or more.

Roy
« Last Edit: April 05, 2019, 12:32:00 pm by roy4matra » Logged

Anders Dinsen
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« Reply #168 on: April 06, 2019, 02:51:35 pm »

(See my FAQ page six, which covers batteries for the Murena)


That's very interesting information, Roy!

It seems these batteries are somewhat cheaper in the UK than here, this is the cheapest I've managed find at 1600 DKK = roughly 185 GBP https://www.batteribyen.dk/optima-yellow-top-12v-38ah-startbatteri-sma-biler-med-oliefyr

Here's a link to your excellent FAQ page, by the way: http://www.matraclub.org.uk/faq6.html

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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
TELBOY
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« Reply #169 on: April 10, 2019, 10:22:20 am »

Thanks for the info gents. As usual first place I looked was Roys FAQ's but must have missed it.
Tel
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Oetker
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« Reply #170 on: April 10, 2019, 04:34:59 pm »

I have this one and have no problems with it.
Cheap and good brand.

https://www.ebay.co.uk/itm/B24-Varta-Black-Dynamic-Car-Battery-049H/272449430224?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649




« Last Edit: April 10, 2019, 04:38:14 pm by Oetker » Logged

I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
TELBOY
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« Reply #171 on: April 21, 2019, 08:31:02 pm »

Just got to figure out where this lot go!
Starting on the interior now.............The red "T" handle is the cable I have fitted for the emergency light lift
« Last Edit: April 21, 2019, 08:41:08 pm by TELBOY » Logged
Anders Dinsen
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« Reply #172 on: April 22, 2019, 06:41:18 am »

Just got to figure out where this lot go!
Starting on the interior now.............The red "T" handle is the cable I have fitted for the emergency light lift

Great! Looking good in a messy way Wink

My cable for the emergency light lift broke as I tried to undo it by the lifter bar... I will refit it for originality, but I've never heard of anyone having to use it, and with the angle on which it pulls, I think it's barely useful.
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
TELBOY
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Posts: 287



« Reply #173 on: April 24, 2019, 05:24:43 pm »

Re-assembly and lining re trim.
Has anyone used vinyl paint? I ask as I have two sets of sun visors, one grey, one brown and ideally would like them black.

Tel
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murramor
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« Reply #174 on: April 24, 2019, 11:49:18 pm »

Has anyone used vinyl paint? I ask as I have two sets of sun visors, one grey, one brown and ideally would like them black.
Funny that you should mention sun visors!  The plastic fittings on my old ones broke so I bought a new pair from Simon.  They were light brown instead of dark brown.  I bought some vinyl paint and painted them but the paint never dried.  Even after weeks in the sun they still remained tacky and stuck to anything they touched.  I removed the paint with acetone and tried some Rustoleum plastic paint.  This paint did dry after a couple of days but looked too shiny to my eyes so I swapped the fittings over to my old sun visors.  I can therefore report only partial success!     Perhaps you will have a wider range of colours available in the UK!

Ron
Sydney, Australia
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Ron Murrell
Sydney, Australia
Colin
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« Reply #175 on: April 25, 2019, 08:56:00 pm »

I have had the same thing, used vinyl paint and it never dried. Eventually I managed to get most of it back off using acetone, and repainted the bits using ordinary plastic primer and satin black paint.
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TELBOY
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« Reply #176 on: April 25, 2019, 09:40:39 pm »

May try to recover the brown ones....or just clean and use the grey ones
« Last Edit: April 27, 2019, 08:20:49 am by TELBOY » Logged
roy4matra
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« Reply #177 on: April 27, 2019, 01:51:40 am »

Can you please take these photos off and resize them to fit a normal screen, thank you.
All photos for the forum should be no larger than 1024 x 768.

Update:
Thanks Terry, that makes it so much easier to see and read now.

Roy
« Last Edit: May 05, 2019, 08:40:56 am by roy4matra » Logged

TELBOY
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« Reply #178 on: April 28, 2019, 06:45:29 pm »

Its the little things in life that keep me happy, such as re fitting the interior light and watching others work!
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Anders Dinsen
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« Reply #179 on: April 28, 2019, 08:44:04 pm »

Its the little things in life that keep me happy, such as re fitting the interior light and watching others work!

 Shocked Grin
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
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