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> What Battery is in your 914?
dcheek
post Mar 24 2016, 01:11 PM
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I run Interstate batteries in all my cars. The key to long life is NEVER let them go dead and, always hook up to a smart (pulsing) charger when not in use. I can get up to 13 years out of them this way.

914 Interstate battery
MT-42
500 CCA
625 CA
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Porschef
post Mar 24 2016, 01:21 PM
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QUOTE(gabeurgelles @ Mar 24 2016, 11:28 AM) *

Autocraft Lithium-Ion motorcycle battery LFP-4. Weighs 2 pounds and starts the car just fine. I don't know how it would do with radios and extra lights.





I love the idea of a lightweight lithium battery; and you've got no issues starting? Sweet, I'd think that your alternator would handle all the extraneous load demands after starting. (IMG:style_emoticons/default/beerchug.gif)

Being the CSOB (ok, out of necessity) that I am, I have a Johnson Controls L/A batt that is hooked up to a Battery Tender. I think I'm gonna go out to the garage and make sure I haven't developed a new hell hole... (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/dry.gif)
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euro911
post Mar 24 2016, 02:42 PM
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QUOTE(dcheek @ Mar 24 2016, 12:11 PM) *
I run Interstate batteries in all my cars. The key to long life is NEVER let them go dead and, always hook up to a smart (pulsing) charger when not in use. I can get up to 13 years out of them this way.

914 Interstate battery
MT-42
500 CCA
625 CA
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I run Interstate batteries in both of the Toyota trucks. MT-35 $109. out the door (IMG:style_emoticons/default/aktion035.gif)
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gabeurgelles
post Mar 24 2016, 03:16 PM
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QUOTE(Porschef @ Mar 24 2016, 03:21 PM) *

QUOTE(gabeurgelles @ Mar 24 2016, 11:28 AM) *

Autocraft Lithium-Ion motorcycle battery LFP-4. Weighs 2 pounds and starts the car just fine. I don't know how it would do with radios and extra lights.





I love the idea of a lightweight lithium battery; and you've got no issues starting? Sweet, I'd think that your alternator would handle all the extraneous load demands after starting. (IMG:style_emoticons/default/beerchug.gif)

Being the CSOB (ok, out of necessity) that I am, I have a Johnson Controls L/A batt that is hooked up to a Battery Tender. I think I'm gonna go out to the garage and make sure I haven't developed a new hell hole... (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/dry.gif)


Ive had that battery for about 6 months now and no issues starting. Although it will not keep the starting running forever. It won't handle any more than about 30-45 seconds of cranking at once. Hasn't been an issue for me yet...
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slotty008
post Mar 24 2016, 04:00 PM
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I saw this last week. Very tiny.
https://en.liteblox.de/shop/liteblox-lb1180...oredirect=en_US
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saigon71
post Mar 24 2016, 06:19 PM
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QUOTE(stinkindiesel @ Mar 24 2016, 01:54 PM) *

QUOTE(jim_hoyland @ Mar 24 2016, 07:04 AM) *

Is there a specific version of the 34R for the stock 914 location? (Post Orientation)


I believe the "R" in the part number designates the correct post position., That would be a top post, reverse polarity.

Gary


If you are using a stock rain tray, go with the regular Optima 34 (not R). It puts the posts on the outside so the rain tray clears when you close the engine bay cover. I tried the 34R first and had clearance issues. (IMG:style_emoticons/default/headbang.gif)
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pete000
post Mar 24 2016, 06:21 PM
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Optima red tops in both my 914s
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Porschef
post Mar 24 2016, 06:30 PM
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QUOTE(gabeurgelles @ Mar 24 2016, 05:16 PM) *

QUOTE(Porschef @ Mar 24 2016, 03:21 PM) *

QUOTE(gabeurgelles @ Mar 24 2016, 11:28 AM) *

Autocraft Lithium-Ion motorcycle battery LFP-4. Weighs 2 pounds and starts the car just fine. I don't know how it would do with radios and extra lights.





I love the idea of a lightweight lithium battery; and you've got no issues starting? Sweet, I'd think that your alternator would handle all the extraneous load demands after starting. (IMG:style_emoticons/default/beerchug.gif)

Being the CSOB (ok, out of necessity) that I am, I have a Johnson Controls L/A batt that is hooked up to a Battery Tender. I think I'm gonna go out to the garage and make sure I haven't developed a new hell hole... (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/dry.gif)


Ive had that battery for about 6 months now and no issues starting. Although it will not keep the starting running forever. It won't handle any more than about 30-45 seconds of cranking at once. Hasn't been an issue for me yet...



That's fine, if your car won't start after 30'seconds of cranking you've most likely got a bigger issue.
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Porschef
post Mar 24 2016, 06:31 PM
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QUOTE(gabeurgelles @ Mar 24 2016, 05:16 PM) *

QUOTE(Porschef @ Mar 24 2016, 03:21 PM) *

QUOTE(gabeurgelles @ Mar 24 2016, 11:28 AM) *

Autocraft Lithium-Ion motorcycle battery LFP-4. Weighs 2 pounds and starts the car just fine. I don't know how it would do with radios and extra lights.





I love the idea of a lightweight lithium battery; and you've got no issues starting? Sweet, I'd think that your alternator would handle all the extraneous load demands after starting. (IMG:style_emoticons/default/beerchug.gif)

Being the CSOB (ok, out of necessity) that I am, I have a Johnson Controls L/A batt that is hooked up to a Battery Tender. I think I'm gonna go out to the garage and make sure I haven't developed a new hell hole... (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/dry.gif)


Ive had that battery for about 6 months now and no issues starting. Although it will not keep the starting running forever. It won't handle any more than about 30-45 seconds of cranking at once. Hasn't been an issue for me yet...



That's fine, if your car won't start after 30'seconds of cranking you've most likely got a bigger issue.
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913B
post Mar 24 2016, 06:36 PM
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subscribed (IMG:style_emoticons/default/popcorn[1].gif) (IMG:style_emoticons/default/biggrin.gif)
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patssle
post Mar 24 2016, 07:02 PM
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The cheapest battery at Sams that has 700+ CCA. There are 3 or so battery makers in the entire world - they are all the same and they usually last many years. Unless it's something specific like a light weight battery...spending lots of money on a battery seems pointless to me.
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cali914
post Mar 24 2016, 10:48 PM
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Optima red top, rather on the heavy side but has never let me down with either my v8 914 or my v6 914..
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cali914
post Mar 24 2016, 10:48 PM
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Optima red top, rather on the heavy side but has never let me down with either my v8 914 or my v6 914..
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dlkawashima
post Mar 25 2016, 12:44 AM
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Another endorsement for the Optima Red Top. I was going to change the battery when I bought my 914 five years ago, but I'm happy I didn't because it just keeps chugging along.
Notice the purchase date: January 2005.


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Geezer914
post Mar 25 2016, 02:33 AM
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Optima Red Top, no acid corrosion issues to worry about.
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Big Len
post Mar 25 2016, 04:10 AM
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QUOTE(Geezer914 @ Mar 25 2016, 04:33 AM) *

Optima Red Top, no acid corrosion issues to worry about.

(IMG:style_emoticons/default/agree.gif)
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Big Len
post Mar 25 2016, 04:10 AM
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QUOTE(Geezer914 @ Mar 25 2016, 04:33 AM) *

Optima Red Top, no acid corrosion issues to worry about.

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BuddyV
post Mar 25 2016, 09:29 AM
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Optima red

(IMG:style_emoticons/default/beerchug.gif)
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eric9144
post Mar 25 2016, 10:31 AM
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Replaced my optima red top just a couple months back with a new one of the same...

Installed the previous one in 1998 (IMG:style_emoticons/default/smile.gif) (IMG:style_emoticons/default/beerchug.gif)
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DCJosh
post Apr 3 2016, 04:42 PM
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R34, right? Anyone have a picture of the R34 in their car? I want to be sure that the terminals are facing the correct way.
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