Warning against using Optima battery under seat - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-07-2007, 09:33 PM   #21
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That, my dearest whipping boy, is the question.

What'* the vertical clearance?

And how does the height of the Optima compare to the height of the stocker? I can measure my Optima if need be. Let'* find out how much room we have to work with and figure out a plan of attack.
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Old 02-07-2007, 09:36 PM   #22
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Old 02-07-2007, 09:39 PM   #23
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Since this is turning into a Brainstorming/potential mod thread, I'm moving it to P&B...
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Old 02-07-2007, 09:40 PM   #24
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So, the battery stands at 7-1/2" in the battery tray. Or is that just the battery height alone?

What is the total clearance under the seat?
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Old 02-07-2007, 09:43 PM   #25
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that is the height of the battery alone.. there isnt really a "tray", it sits on the floor.. it just held down with a single arm

i dont think height will be a problem here.. the seat support is around 10.5" tall
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Old 02-07-2007, 09:46 PM   #26
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gotta love when a member has his interior apart to take photos
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Old 02-07-2007, 09:49 PM   #27
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Quote:
Originally Posted by two bonnies
Maybe off-topic, but can anyone tell me why they put the battery under the back seat? I've heard many rumors, but nothing to confirm any of them.
I read somewhere a few years ago that the battery was located under the rear bench for better weight distribution in lieu of being placed in the engine compartment. This is why it is open vented to outside atmosphere. On those Optima batteries, are those open vents on top, or relief valves? Personally, I wouldn't attempt modification of a battery that is not designed to be located on interior of the vehicle. just my dime.
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Old 02-07-2007, 09:55 PM   #28
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Dang, this sucks. Johnson Controls makes the Optima battery.

I quit JCI a year and a half ago....I could have EASILY gotten these questions answered. I'll do some digging with some old buddies to see if they can get me an email address of one of the Optima engineers in Tampa.
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Old 02-07-2007, 10:00 PM   #29
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That would be helpful Mark (Vital)!

Markwb asks a good question that we should probably get an answer to before running off too quickly.
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Old 02-07-2007, 10:25 PM   #30
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Quote:
Originally Posted by markwb
On those Optima batteries, are those open vents on top, or relief valves? Personally, I wouldn't attempt modification of a battery that is not designed to be located on interior of the vehicle. just my dime.
from the email I got from the rep, they are valves. I have one in my convertible. They look like two holes that are plugged with something. it looks a lot like the stone you would use to sharpen a knife. I wonder if they pop up?
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