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Old 06-21-2005, 06:13 PM   #1
wrx05
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Default Different battery size than OEM okay?

I just traded my WRX in for a LGT and I kept my Optima Group 35 battery. Can I put it in the LGT even though the LGT has a Group 85 battery?
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Old 06-22-2005, 06:43 AM   #2
wrx05
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anyone?
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Old 06-22-2005, 06:55 AM   #3
speedyHAM
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It will work, but why change out a good battery?
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Old 06-22-2005, 07:07 AM   #4
DrD
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if you can secure it in place ok, then you should be fine. As far as the car is concerned, a 12V battery is a 12V battery.
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Old 06-22-2005, 05:36 PM   #5
wrx05
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Thanks DRD thats what I figured.

Im switching out the stock for an almost new Optima Red Top. Those extra 350 CCA's will come in handy this winter.
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Old 06-23-2005, 02:41 PM   #6
wrx05
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Well, the Red Top fit perfectly. Seems to be just a bit smaller than the 85. All the cables and the bracket fit fine. Thanks for the input!
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Old 06-23-2005, 04:11 PM   #7
one wicked wrx
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i use a civic DIEHARD battery lets me change spark plugs without pulling the battery and better fit with my fmic
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Old 06-27-2005, 02:45 PM   #8
speedblind
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I was thinking of going to a smaller battery as well - do you have subs/amps in the car? Any problems with the setup so far?
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Old 06-28-2005, 06:56 PM   #9
TreyS
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I'm using this 13 pound one in my STi and it's worked great with a removable Sub for almost 1.5 years now. Screw Braille.



I got it from here for $65 plus $10 for the terminals:

http://www.portablepower.com/items/b...SL105/37L105S1
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Old 06-28-2005, 08:14 PM   #10
Uncle Scotty
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Quote:
Originally Posted by TreyS
I'm using this 13 pound one in my STi and it's worked great with a removable Sub for almost 1.5 years now. Screw Braille.



I got it from here for $65 plus $10 for the terminals:

http://www.portablepower.com/items/b...SL105/37L105S1

Quote:
PRODUCT NOTES
For motorsports applications use the Odyssey battery. The Odyssey was designed for rugged vibration sensitive applications with thicker plates to prevent cracking and premature failure. The warranty on the Genesis doesn't cover motorsports installations.
.....

http://www.portablepower.com/product...es/Odyssey.asp
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Old 06-28-2005, 10:52 PM   #11
speedblind
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Ah, good stuff. Thanks for the links and the info. It will be nice to have some room on that side of the engine bay - tired of removing the battery to change plugs!
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Old 06-29-2005, 08:53 AM   #12
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Anyone have experience with winter and this battery in the car:
http://www.portablepower.com/items/b...SL170/37L170S1
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Old 06-29-2005, 08:57 AM   #13
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IMO if you live in an area that gets cold winter weather, a lightweight battery is not a good idea. Cold temps+low reserve capacity=bad.
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Old 06-29-2005, 09:29 AM   #14
ardinos
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That's kind of what I figured, but I was hoping someone had tried it with great success.
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Old 06-29-2005, 04:34 PM   #15
TreyS
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Who drives at the track in the winter.

Keep the OEM one for winter use, and the light one for summer.


Here is the other one if you are worried abut motorsports use and cracking plates (My Hawker is fine and I beat on it pretty hard):



http://www.portablepower.com/items/b...SL105/37L105S5
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Old 06-29-2005, 07:01 PM   #16
speedblind
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This is looking better and better. Trey - do you have a pic of the battery installed in your STi? What did you do for a tie-down? I saw this link on the site you posted, and it seems like it would be fairly easy to fabricate something similar:
http://www.portablepower.com/items/s...1/all/30Z680A1

My main goal is to have easy access to the plugs for changing and compression tests, as well as a little more room for my HID ballasts. Weight savings is just a bonus.
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Old 06-30-2005, 10:41 PM   #17
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Anybody brave enough to use these during the winter though?
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Old 07-02-2005, 10:26 AM   #18
Diode663
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im sure it cant be too bad in the winter. I just bought one and its going under my passenger seat. So it should be at least a little sheltered from the cold. But we will have to wait until winter to find out for sure.
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Old 07-02-2005, 12:27 PM   #19
Uncle Scotty
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Quote:
Originally Posted by Diode663
im sure it cant be too bad in the winter. I just bought one and its going under my passenger seat. So it should be at least a little sheltered from the cold. But we will have to wait until winter to find out for sure.

...ya might wanna do what I did and keep the stock cables under the hood just in case ya gotta put a regular battery in it

....mine has worked well down to ~25F, and it helps to turn the key---wait 'til the fp pressures the fuel system....~3 seconds----and then start the car
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Old 07-03-2005, 04:54 PM   #20
Diode663
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Thanks for the advice. I was planning on keeping the cables in the stock locations incase anything went down.
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Old 07-05-2005, 06:34 PM   #21
Diode663
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Uncle scotty would you mind snapping a picture of where you hooked up the positive to under the hood? Your help would be appretiated.
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Old 07-10-2005, 10:02 PM   #22
Diode663
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bump for some help.
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Old 07-10-2005, 10:25 PM   #23
Uncle Scotty
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Quote:
Originally Posted by Diode663
Uncle scotty would you mind snapping a picture of where you hooked up the positive to under the hood? Your help would be appretiated.
....sorry---didn't see this again until now.

....follow the POS battery cable up under the fusebox under the hood-----where it attaches to the terminal, there......at first, I just took the cable end where it attaches to the stock battery nut off and bolted it to that, but it was 'messy' that way.

...sorry....borked my camera cable...no pics
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Old 07-10-2005, 10:29 PM   #24
Mulder
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Quote:
Originally Posted by Uncle Scotty
...sorry....borked my camera cable...no pics
No excuse- get a card reader-
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Old 07-10-2005, 11:05 PM   #25
ERXWRX
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Yep you can go smaller with no ill effects.
59r is a small Honda Civic Battery, but you want to look for a Miata battery for real weight savings
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