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78porsche924
Joined: 14 Dec 2002 Posts: 1217 Location: Newark, DE(near where DE,MD and PA meets)
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Posted: Thu Mar 24, 2005 8:03 am Post subject: Dry cell battery |
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I have a 944s2 cabrio but decided to ask on these boards because i have only gotten great advice when i still had my 924 (may she rest in peace). i am looking for a dry cell battery and i assume that the battery tray is the same size as the 924. does anyone know of one that will fit without relocating the battery? in the winter my car sits and gets driven maybe every other week when i come home from school. because of this, the battery has died. ive heard dry cells work a lot better in the cold so that is why i want one. at the local stores, the only wet cells that they carry (that fit) arent exactly the greatest and the optimas are too tall and i cant close the hood. if anyone knows of one that will fit in the stock position please let me know.
thanks in advance
bobby _________________ 90 944 S2
78 924 NA <---now sold and killed by new owner
snailshell trans
Bae turbo kit
to check out my 944 S2 http://www.cardomain.com/member_pages/view_page.pl?page_id=388139 |
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Khal
Joined: 26 Sep 2003 Posts: 4869 Location: Sunny and lovely interior BC, Canada
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Posted: Thu Mar 24, 2005 9:25 am Post subject: |
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I've had Odyssey batteries recommended to me on a couple of occasions. Could be worth a look..?
I've never used one but I've seen them demonstrated and they seemed pretty impressive. Smaller, lighter, more powerful than a standard battery.
Of course, more expensive, too... _________________ '80 924 Turbo |
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tj924
Joined: 15 Jul 2004 Posts: 957 Location: Toowoomba, Queensland, Australia
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Posted: Thu Mar 24, 2005 9:33 am Post subject: |
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So what's the consensus on dry-cell batteries (I'm assuming these are the "maintenance free" batteries that are commonly shipping in new cars these days)?
My Dad doesn't like them but I think he just likes being a fiddly old fart . _________________ TJ
Silver '82 924 NA 5-Speed Manual |
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Smoothie
Joined: 01 Jan 2003 Posts: 8032 Location: DE (the one near MD, PA, NJ)
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Posted: Thu Mar 24, 2005 9:34 am Post subject: |
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I have an Exide spiral cell dry cell at home that'll fit if/when I need to put it into the 924. I'll get more info on it later.
That and the Optima dry cells are mountable sideways, so you might consider doing that.
Dry cell batts are maintenance free, but not all maintenance free batts are dry cell. _________________ "..it's made in Germany. You know the Germans always make good stuff."
'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox |
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Smoothie
Joined: 01 Jan 2003 Posts: 8032 Location: DE (the one near MD, PA, NJ)
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Raceboy
Joined: 01 Mar 2004 Posts: 2326 Location: Estonia, Europe
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Posted: Thu Mar 24, 2005 4:40 pm Post subject: |
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I've had Optima in my racecar (it's a must here) and after that I purchased dry one to my other cars too. Very good thing, but a bit pricey, and when it will go, then it's not gonna fade away, but one day it just won't work. _________________ '83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche |
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numbbers
Joined: 05 Nov 2002 Posts: 1910 Location: Highlands Ranch, Colorado
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Posted: Fri Mar 25, 2005 10:53 am Post subject: |
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How does the weight of a dry cell compare to a wet cell? _________________ 1980 924 Turbo |
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Paul
Joined: 02 Nov 2002 Posts: 9491 Location: Southeast Wisconsin
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Paul
Joined: 02 Nov 2002 Posts: 9491 Location: Southeast Wisconsin
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Paul
Joined: 02 Nov 2002 Posts: 9491 Location: Southeast Wisconsin
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Posted: Fri Mar 25, 2005 12:00 pm Post subject: |
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Do you think this one is big enough for our cars? I think the battery I have now has about 550 cold cranking amps.
http://www.odysseybatteries.com/battery/pc680mjt.htm
680 cranking amps
Short circuit current over 1800A
25 minute reserve capacity with 25amp load
With metal jacket and automotive terminals
Length 7 1/16"
Width 2 15/16"
Height 7 3/16"
Weight 15.4 lb
Odyssey design:
2 year full warranty
Rugged Drycell sealed design
Military grade
Vibration resistant
60% more starting power
Deep discharge reserve power
2 year storage life
8-12 year design life
Can be mounted flat or upright |
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numbbers
Joined: 05 Nov 2002 Posts: 1910 Location: Highlands Ranch, Colorado
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Posted: Sat Mar 26, 2005 11:48 am Post subject: |
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Well, it looks like the weight advantage depends on the brand. But, I am not spending $200 plus for a battery. _________________ 1980 924 Turbo |
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Smoothie
Joined: 01 Jan 2003 Posts: 8032 Location: DE (the one near MD, PA, NJ)
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Posted: Sun Mar 27, 2005 12:22 am Post subject: |
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After all the advantages are considered against the disadvantage, it doesn't look so bad. Consider the longer life of a drycell - that lessens the real price difference quite a bit. Then there's those that have had to repair a battery tray because a regular battery dripped acid - they'd appreciate the drycells' elimination of that mess happening again. Anyone that hasn't had it happen yet, but can imagine...they might like the lack of liquid acid feature too. They also allegedly perform better in climate extremes. _________________ "..it's made in Germany. You know the Germans always make good stuff."
'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox |
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Sleykin
Joined: 30 Apr 2003 Posts: 758 Location: Medford, Oregon USA
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Posted: Mon Mar 28, 2005 1:11 am Post subject: |
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If you park your car close enough to power, you might want to consider a float charger. Get one with the maintenace charge feature and it will dramatically extend the life of an intermittent use battery. I have a solar powered one for my truck. I only drive it about once a month and it holds charge fine. The big 460 does not tolerate a weak battery Plugs into the cigar lighter so would only work if you wired the lighte to be hot all the time. Or you could wire an auxilary jack in.
I had an optima in the Bronco and it was a great battery that didn't need to be tickled to keep it alive. The Optima is an Absorbed Glass Matt style battery and I am not sure what the Odyssey design is. If it is also an AGM it should be great. If it is the Gell Cell design I would shy away. Gell Cells have a tendency to die by shorting internally and taking out the chargine system when they go.
YMMV _________________ Glenn Neff
Medford, OR
87' 924S |
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Smoothie
Joined: 01 Jan 2003 Posts: 8032 Location: DE (the one near MD, PA, NJ)
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Posted: Sun Nov 13, 2005 9:20 am Post subject: |
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Finally put the Exide Orbital to work. It had to be installed sideways - http://www.flickr.com/photos/9754161@N02/738845813/in/set-72157600685471748/
The starter kicks in and spins the engine so hard now, that it sounds like it's going to hurt itself. _________________ "..it's made in Germany. You know the Germans always make good stuff."
'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox
Last edited by Smoothie on Sun Mar 29, 2009 12:08 am; edited 1 time in total |
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CBass
Joined: 03 Nov 2002 Posts: 2807 Location: Vancouver, Canada
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Posted: Sun Nov 13, 2005 9:36 am Post subject: |
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Very nice.
Smoothie, is that a positive bolt I see underneath the lug connector for a flat ring terminal connector? That would be very handy for the custom wiring job I have in mind. _________________ '81 931 in various states of assembly |
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