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Mike1991
Samba Member
Joined: October 06, 2011
Posts: 95
Location: Arizona
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 Posted: Sun Oct 28, 2012 7:39 pm Post subject: 1969 911E with 2 batteries |
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| Both U911 type batteries have expired. What are alternatives for going to the newer small red, yellow top or other jell type batteries. Would prefer to use just one battery. What wiring updates are needed to install. |
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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| Posted: Sun Oct 28, 2012 11:09 pm Post subject: |
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Not hard, most folks just remove the crossover cable between the two batteries and install an Optima red top on its side in the driver side box. Go over to Pelican parts BBS (forums.pelicanparts.com) and look for my post where I (harryd is my handle) show my Optima install in the 911 forum.
Best of luck.
_________________
1970 Deluxe Sunroof Bay Brilliant Blue/Cloud White
1973.5 911 Targa
2009 MB C300 |
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Mike1991
Samba Member
Joined: October 06, 2011
Posts: 95
Location: Arizona
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| Posted: Mon Oct 29, 2012 6:44 pm Post subject: |
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Harryd,
Found your 2008 thread on Optima install post. Hoping to find a battery that would fit in either compartment.
Anyone found a single battery since then that might be a better fit?
Original size 6.88 W, 8.19 L, 6.88 H. One battery would need approx 600 cold cranking amps???? |
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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| Posted: Mon Oct 29, 2012 8:26 pm Post subject: |
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| Mike1991 wrote: |
Harryd,
Found your 2008 thread on Optima install post. Hoping to find a battery that would fit in either compartment.
Anyone found a single battery since then that might be a better fit?
Original size 6.88 W, 8.19 L, 6.88 H. One battery would need approx 600 cold cranking amps???? |
There basically 4 options:
1 2 ea interstate batteries
2 2 ea sonnenschein batteries
3 2 ea Miata battery.
4 1 ea optima
_________________
1970 Deluxe Sunroof Bay Brilliant Blue/Cloud White
1973.5 911 Targa
2009 MB C300 |
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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Mike1991
Samba Member
Joined: October 06, 2011
Posts: 95
Location: Arizona
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| Posted: Tue Oct 30, 2012 3:20 pm Post subject: |
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Good threads all.
The Batteries Plus Odyssey PC1200 looks like the perfect 1 battery replacement. Unfortunately the price quoted for it today $233.99 is approx. equal to two Interstate 911's ($124.99 x 2=$250.00). In addition you have to buy the post adapters for the Odyssey.
So much for saving a buck or two or three or....
Ps. The Interstate invoice for $79.95 each from two years ago in the above thread shows how much things have gone up. I did mention it but the local Interstate dealer didn't bite. |
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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| Posted: Tue Oct 30, 2012 7:49 pm Post subject: |
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| Mike1991 wrote: |
Good threads all.
The Batteries Plus Odyssey PC1200 looks like the perfect 1 battery replacement. Unfortunately the price quoted for it today $233.99 is approx. equal to two Interstate 911's ($124.99 x 2=$250.00). In addition you have to buy the post adapters for the Odyssey.
So much for saving a buck or two or three or....
Ps. The Interstate invoice for $79.95 each from two years ago in the above thread shows how much things have gone up. I did mention it but the local Interstate dealer didn't bite. |
The real reason to go to a AGM battery is to prevent the corrosion from the traditional lead/acid battery. Unless you need the concours points, get an Optima red top. you car will thank you even if your body man does not.
_________________
1970 Deluxe Sunroof Bay Brilliant Blue/Cloud White
1973.5 911 Targa
2009 MB C300 |
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Mike1991
Samba Member
Joined: October 06, 2011
Posts: 95
Location: Arizona
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| Posted: Wed Oct 31, 2012 12:47 pm Post subject: |
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I looked at the Optima this morning and the smallest one is just is too big to fit into the existing battery box. I am going with the Odyssey PC1200. It's actually a hair smaller than the battery box and the Interstate battery and should fit. I think the stock straps will also fit. It's also rated at 550 CCA. Best part is a better price after some discussion about a competitors coupon I got in the mail yesterday.
Thanks for the forums input and prior threads.
Ps. The body man still may be happy as there is obvious damage from years ago that was patched over but not fixed correctly. That's a story for the future. |
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Mike1991
Samba Member
Joined: October 06, 2011
Posts: 95
Location: Arizona
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| Posted: Thu Nov 01, 2012 9:49 pm Post subject: |
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Odyssey battery installed in 911E
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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| Posted: Thu Nov 01, 2012 9:55 pm Post subject: |
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| Mike1991 wrote: |
Odyssey battery installed in 911E
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Looks nice but be sure to ensure the postive terminal is 100% covered or you will learn why you can stick weld with a car battery.
If your leads are long enough, I would flip the battery over so the leads are on the top to prevent something conductive from sliding between the post and the metal floor.
_________________
1970 Deluxe Sunroof Bay Brilliant Blue/Cloud White
1973.5 911 Targa
2009 MB C300 |
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Mike1991
Samba Member
Joined: October 06, 2011
Posts: 95
Location: Arizona
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| Posted: Fri Nov 02, 2012 12:53 pm Post subject: |
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Harry,
After thinking about your post I did take another look at the way the cable was routed and found a way to make it longer. Ending up putting the cable connectors on top.
While looking at the cable channel found what I assume is the original positive battery cable end cover. Black rubber fitting with recess that matches the stock cable end.
Looks great
Thanks |
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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| Posted: Fri Nov 02, 2012 1:41 pm Post subject: |
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| Mike1991 wrote: |
Harry,
After thinking about your post I did take another look at the way the cable was routed and found a way to make it longer. Ending up putting the cable connectors on top.
While looking at the cable channel found what I assume is the original positive battery cable end cover. Black rubber fitting with recess that matches the stock cable end.
Looks great
Thanks |
Good to hear. Be sure the positive terminal is completely covered.
_________________
1970 Deluxe Sunroof Bay Brilliant Blue/Cloud White
1973.5 911 Targa
2009 MB C300 |
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Mike1991
Samba Member
Joined: October 06, 2011
Posts: 95
Location: Arizona
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| Posted: Fri Feb 21, 2020 3:00 pm Post subject: Re: 1969 911E with 2 batteries |
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Update
The single Oddessy battery I put in my 1969 911E in 2012 finally died.Still shows 12 volt but the amps just are not there anymore.
Thankfully 7 years not too bad. Pricey but it did last.
Replacement on the way |
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[email protected]
Samba Member
Joined: December 28, 2016
Posts: 280
Location: atlanta ga
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| Posted: Sat Feb 22, 2020 9:41 am Post subject: Re: 1969 911E with 2 batteries |
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don't alter, just purchase the interstate perfect fit batteries
| Mike1991 wrote: |
| Both U911 type batteries have expired. What are alternatives for going to the newer small red, yellow top or other jell type batteries. Would prefer to use just one battery. What wiring updates are needed to install. |
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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| Posted: Sat Feb 22, 2020 10:25 pm Post subject: Re: 1969 911E with 2 batteries |
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| [email protected] wrote: |
don't alter, just purchase the interstate perfect fit batteries
| Mike1991 wrote: |
| Both U911 type batteries have expired. What are alternatives for going to the newer small red, yellow top or other jell type batteries. Would prefer to use just one battery. What wiring updates are needed to install. |
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Are they still available? I have heard they were discontinued.
Also, the compelling reason for going to an AGM battery is to reduce corrosion in the battery box. This is why I went to an Optima.
_________________
1970 Deluxe Sunroof Bay Brilliant Blue/Cloud White
1973.5 911 Targa
2009 MB C300 |
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[email protected]
Samba Member
Joined: December 28, 2016
Posts: 280
Location: atlanta ga
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| Posted: Tue Feb 25, 2020 9:21 am Post subject: Re: 1969 911E with 2 batteries |
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| also the miata batteries fit |
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