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Old 05-03-2013, 07:46 AM   #1
CLOUDSPLITTER "Tahawas"
 
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Question Battery Guru needed!!!

Need opinions from anyone more "guru" than I.

This battery was installed in our 53 Ford, 6v positive ground, 5 years old with no negative history.

Car is stored in unheated garage, pos cable off, connected to a working battery tender.

Car started normally, no problems. Got it outside and noticed the cracks.

Could it have frozen while charging, cracked under expansion with no leakage, and still have enough charge to start normally?
Garage is used every day and we had no power outages this Winter.

In my 45yr career in auto repair and service I have seen many cracked batteries, but none that would still hold a charge and without acid everywhere.

Note, I was able to insert a small wire in the cracks and they do go thru the case.

Puzzling…and expensive, OEM replacements are not cheep.





Bob
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Old 05-03-2013, 08:00 AM   #2
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Bob,

Tar-top batteries use a phenolic or hard rubber like material for the cell covers. This old material is more pone to 'cracks' as the cell plates below expand over time with sulfate buildup...

You can also usually see where the tar begins to bulge out or become distorted...

The tar seams are the weak point in this older battery construction, and allow the cell covers to move from the pressure of the sulfate expanding the grids, with no where to go but 'up'...

The advantage of this old construction is that it allowed the tar to be melted and the whole cell removed after cutting the cell links on top - New cell groups could then be installed and you'd have a 'new' battery...

Todays auto/truck batteries, with their heat sealed tops can't be rebuilt...

Ah, the good old days...

Regards,
Ray
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Old 05-03-2013, 08:34 AM   #3
CLOUDSPLITTER "Tahawas"
 
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Thumbs up

Ray,

It's the plates that are expanding and not the electrolyte, and without rebuilding it would continue to expand. Correct?

I considered sealing the cracks with a compound like Marine-Tex, but certainly wouldn't do so if the it's going to continue.

Battery shop right around the corner but I don't know how "old school" they are no sense in not calling though.
New batt $240, and I need the FoMoCo script for the car shows.

Thanks a lot Ray!!

Bob
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“After all these years the reason I continue to love Thanksgiving.....I still sit at the kids table.”
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Sandra wanted to go to Cleveland on vacation,
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Old 05-03-2013, 08:59 AM   #4
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If the battery is still good, why not just seal the cracks with some liquid rubber. (like you dip tool handles into)

Or to be original, look for some tar to melt into the crack?????

Might not be to much of a distraction and it sounds to me like something any old farmer from 1954 would do.

Dave


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Originally Posted by ROBERT CROSS View Post
Ray,
I considered sealing the cracks with a compound like Marine-Tex, but certainly wouldn't do so if the it's going to continue.
New batt $240, and I need the FoMoCo script for the car shows.
Thanks a lot Ray!!
Bob
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Old 05-03-2013, 09:19 AM   #5
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Quote:
Originally Posted by masseyfarm View Post
If the battery is still good, why not just seal the cracks with some liquid rubber. (like you dip tool handles into)

Or to be original, look for some tar to melt into the crack?????

Might not be to much of a distraction and it sounds to me like something any old farmer from 1954 would do.

Dave
Dave,

Problem with sealing... if, as Ray mentioned it's the plates that are expanding it would most likely continue if I just sealed without re-building.

Called the local batt store...no help there.
Called the supplier I purchased from and they are willing to give a 45% discount...hard to beat that on a 2006 battery.

I'll put my spare in for now and replace before the first show.

Bob
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“After all these years the reason I continue to love Thanksgiving.....I still sit at the kids table.”
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Sandra wanted to go to Cleveland on vacation,
but I’m the Husband, so we went to Cleveland.
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Old 05-03-2013, 09:41 AM   #6
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45%??????????????
You should probably pay for it to be delivered on a future date before he changes his mind.

Dave


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Originally Posted by ROBERT CROSS View Post
Dave,
Called the supplier I purchased from and they are willing to give a 45
discount...hard to beat that on a 2006 battery.
Bob
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Old 05-03-2013, 10:05 AM   #7
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45%??????????????
You should probably pay for it to be delivered on a future date before he changes his mind.

Dave
I had them enter the info/price on their computer, I've been a customer ever since we got the car in 1976.

DW's maternal Grandmother....her last drive the day we picked it up.


Now...

Bob
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“After all these years the reason I continue to love Thanksgiving.....I still sit at the kids table.”
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Sandra wanted to go to Cleveland on vacation,
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Old 05-03-2013, 10:23 AM   #8
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As a sidebar, is tender voltage ok that batt. was not overcharged, a 7 year old batt. is OLD!!!
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Old 05-03-2013, 11:36 AM   #9
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If the battery is still good, seal it with some Silicone and call it good. I don't see any acid coming out. Clear silicone is a really good insulator and I don't think the acid will hurt it. If it does not stick then you have not lost much trying.

Perry
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Old 05-03-2013, 12:06 PM   #10
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Could you have lightly tapped the Neg Batt connecter on last year?
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Old 05-03-2013, 03:53 PM   #11
CLOUDSPLITTER "Tahawas"
 
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Quote:
Originally Posted by strshpntrprz View Post
As a sidebar, is tender voltage ok that batt. was not overcharged, a 7 year old batt. is OLD!!!
The charge rate is good....still cranks like krazy, load tests fine.

Quote:
Originally Posted by perryg114 View Post
If the battery is still good, seal it with some Silicone and call it good. I don't see any acid coming out. Clear silicone is a really good insulator and I don't think the acid will hurt it. If it does not stick then you have not lost much trying.

I'll put my spare in for now, clean & seal the cracks, put it on the smart charger and see if the plates continue to swell, if good I'll retire my old spare and use the cracked one.

Remember guy's this was my wife's Grandmother's Ford, bought new in 53, unmolested, all original, I'd never hear the end of it if I ended up with acid all over the engine compartment.

Perry
Quote:
Originally Posted by Moflash View Post
Could you have lightly tapped the Neg Batt connecter on last year?
Battery stays in the car with cables removed. I start and drive it during storage, weather permitting, never noticed any problem 'til Spring get-ready.

Bob
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“After all these years the reason I continue to love Thanksgiving.....I still sit at the kids table.”
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Sandra wanted to go to Cleveland on vacation,
but I’m the Husband, so we went to Cleveland.
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