In my search for the build sheet, I discovered that the spare tire is gone, and a big hole is at the bottom the car. I plan to repair this with a fiberglass repair kit and structural bracing.
Q: I know that the reg batteries are probably too big to fit, but the 51-D series batteries are relativley small, at least not as wide, and have 500cca, will it be enough?

Will I need a box to put it in, or just secure with a generic hold down?

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85 Firebird. $150.00
2.8 Auto.
Blown Head Gasket.
turbo coming soon

 

from stocking at PAW..they sell a relocating battery kit for 70 bucks, 12 ft of power, 3 ft ground, box, mounting strap etc. Its the way to go.. it think personally its a lot easier then fiberglassing everything.. and, this way if u had to you could convert the battery back to the engine bay... my .02

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1989 Firebird. Modded.
-For Sale-
Email: gglasgow@socal.rr.com
asking price: 3300 with a new paint job. Email for specs
"I'd rather run last in a full out race, than to NOT have run at all"
#3 Forever

My Site:
Click Here to see my car!

 

one more thing.. dont forget batterys have to be vented!

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1989 Firebird. Modded.
-For Sale-
Email: gglasgow@socal.rr.com
asking price: 3300 with a new paint job. Email for specs
"I'd rather run last in a full out race, than to NOT have run at all"
#3 Forever

My Site:
Click Here to see my car!

 

so just support the battery, water proof the remaining interior sides, and leave the hole for ventalation?

 

oh yeh, will that battery box even fit into the spare tire area?

 

yea basically u got the idea, and yes that battery box will (i put an optima yellow top back there to see if it would fit)

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1989 Firebird. Modded.
-For Sale-
Email: gglasgow@socal.rr.com
asking price: 3300 with a new paint job. Email for specs
"I'd rather run last in a full out race, than to NOT have run at all"
#3 Forever

My Site:
Click Here to see my car!

 

Nifty, so once the battery is gone, technically, I could make one of the camaro dual snorkel inlets work. Right?

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85 Firebird. $150.00
2.8 Auto.
Blown Head Gasket.
turbo coming soon

 

Beware guys, I relocated the battery to the trunk a few days ago. That coupled with the weight of my stereo equip. actually made the car sit lower in the rear. I'll probably be moving it back up under the hood just so it doesn't look funny.

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'91 RS 3.1
SSM SFC's
Energy Susp. Hyper-flex kit
GTA Sway bars
Clarion, Phoenix Gold, JL Audio, etc.
Quote "If you can't beat them, arrange to have them beaten."
- George Carlin

 

I can only budget for good 6x9s & a modest amp, so I'm not too concerned about that.....for now

 

Everyone says this, but I guess I don't understand exactly what they mean. Do you have to have some kind of "roof" on the battery box, with a vent tube that goes outside the car? Do the fumes rise or fall?

I bought a '77 Vega that had quite a few mods done to it. One of which was the battery being relocated to the hatch area, in a plastic "marine" type battery box. No special provisions for venting, whatever vapors are released go right into the pass. compartment. What are the risks of this? Nothing's happened yet.. Am I just lucky?

 

how's this:
http://pasture.ecn.purdue.edu/~epado...use/battwe.htm

I'm sure there are beter site, but in my quick search, this mentions the fumes.

 

Kinda like steam evaporating, I think.
Want the cable cheaper?
Go to a welding store. They sell same cable. Size "0". Dirt Cheap. Get a Marine Battery box. Go buy ends, solder the stuff together.
Go to it.
Triple ground the project.
From battery to frame.
From starter to frame.
From engine to frame.
I'm doing this to my 1967 Camaro convertible

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Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA