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Optima red top

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Old 05-12-2013, 03:54 PM
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Optima red top

Which one best fits my car also I garage the car every winter for 4 months. Will the battery be ok as long as I disconnect the cable. My electronics are all stock so not interested in the yellow top.
Old 05-12-2013, 06:42 PM
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Lookin to order the red top from summit which one fits? What's the part number, optima doesn't have the cobalt listed on their site.
Old 05-12-2013, 07:14 PM
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I searched their website (optima) and they show nothing for a cobalt or g5.
Old 05-12-2013, 08:16 PM
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Yeah I know, I searched optima and summit. Their are 4 red top with top posts, I know one of them has to fit.
Old 05-12-2013, 08:22 PM
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Do they list any dimensions? I would measure your OE battery and see if you can find dimensions for the red top.
Old 05-13-2013, 03:58 AM
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the 34/78 is the one most people use. it doesnt "fit" because its taller then stock by quite a bit it pushes up the carpet but otherwise fits
Old 05-13-2013, 08:32 AM
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This one? -
Optima 8002-002-FFP RedTop Group 34 Starting Battery : Amazon.com : Automotive Optima 8002-002-FFP RedTop Group 34 Starting Battery : Amazon.com : Automotive
Old 05-13-2013, 09:11 AM
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Yeah I'm gonna measure them but not worried about a little push up.
Old 05-13-2013, 09:00 PM
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Group 34 optima is the about the same size as the stock battery (Mabie a little tiny bit taller) but has the terminals stick up out of the top of battery instead of the stock battery which has them made lower so they are even with the top of battery. So they are the terminal length taller and make the carpet stick up that much.
Old 05-13-2013, 09:34 PM
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Originally Posted by RED08SSTC
Yeah I'm gonna measure them but not worried about a little push up.
It's not a little, I had a yellow and red top in the same 34/78 size. It kicks the carpet/board up about 1", you cannot put anything in the trunk without risking breaking that board. Just stick with a standard battery.

Code:
Battery	RedTop 34/78	RedTop 75/25	OEM 90
Length 	10.018”		9.340”		9.562"
Width	6.886”		6.772”		6.875"
Height	7.841”		7.697”		6.875"

Last edited by YelloEye; 05-14-2013 at 10:00 PM.
Old 05-13-2013, 10:23 PM
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I have an Optima 25/75 in mine and it is a better fit than the 34/78,
just sayin.
Old 05-13-2013, 11:48 PM
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Ya my post is a little confusing after re-reading it. I'm saying the optima not counting the terminals on top is about the same size. So the optima is about the terminal size(About 1"-1.25") Taller. Sorry about the confusion.

If Cherry_GT has experience with both and says 25/75 fits better then I'd go with that.
Old 05-14-2013, 09:23 AM
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Originally Posted by Cherry GT
I have an Optima 25/75 in mine and it is a better fit than the 34/78,
just sayin.
This one ? -
Optima Batteries 8022-091 75/25 RedTop Starting Battery : Amazon.com : Automotive Optima Batteries 8022-091 75/25 RedTop Starting Battery : Amazon.com : Automotive
Old 05-14-2013, 06:23 PM
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Just went with the duralast gold, it fits perfect. It has the flush terminals just like the ac delco and it's more powerful.
Old 05-14-2013, 10:01 PM
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Originally Posted by Cherry GT
I have an Optima 25/75 in mine and it is a better fit than the 34/78,
just sayin.
While it is the shortest battery they make that has our terminals, it's still almost an inch taller. I'd look at another manufacturer or go with a normal lead/acid battery.
Old 05-15-2013, 02:28 AM
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you can also put it sideways
Old 05-16-2013, 05:11 PM
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Originally Posted by EmperorJJ1
you can also put it sideways
I did that with my Shuruken...


Strap was too loose and caused some smoke and a shorted battery... lol.
Old 05-31-2013, 06:04 AM
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lol damn that sucks. pics or it didnt happen???
Old 06-01-2013, 03:03 PM
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I still have the battery, I can take a ddm pic of it at .2 volts... I may still have some **** fried down there but I will have to move my agm to get to it.
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