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  #11  
Old 03-05-2016, 04:53 PM
arizonajack arizonajack is offline
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I measured the battery tray on my 59. It's 12 1/8" x 7".

I measured my Group 27 battery. It's 12" x 6 3/4" or 6 7/8", not quite 7".

Those dimensions will fit the tray.

A battery that's 9" tall (includes the posts) will fit in the T-Bird.

The original hold down (58, 59, 60) looks like this:

http://thunderbirdconn.com/part-deta...um=10718-A-B8S

Note the offset of the holes.

The J-bolts are these:

https://www.wilsontbird.com/parts/19...old-down-bolts
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  #12  
Old 03-05-2016, 06:19 PM
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Jack, thanks for the parts info and measurements! That is what my battery area allows as well.

Can you tell me what brand of battery you bought?

Some of my confusion came from looking at , for example,
a Sears Diehard 27F online which looks great until I find the 12.6" length , which is a deal killer.
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  #13  
Old 03-05-2016, 11:09 PM
arizonajack arizonajack is offline
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John,

Have you measured the bottom of the Sears battery at the store?

I pulled up a picture of the battery and it looks beveled at the bottom. I can't tell if it's beveled enough to fit.

I've used AutoZone batteries for many years.

AutoZone has a 27F on its website with the right dimensions:

http://www.autozone.com/batteries-st...?checkfit=true

It should fit but I'm sure they'll take it back if it doesn't. Make sure you ask about that, though.
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  #14  
Old 03-05-2016, 11:50 PM
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Sears did not actually have the battery so I could not measure it, but you are right, one needs to physically check it out and measure it.

Autozone is everywhere and easy to work with so I will try them in person.

You may laugh at this: I clicked on the Autozone link you provided. Since I had previously been at their website, my TBird is stored in some cookie or something. As soon as your battery link came up, so did DOES NOT FIT.

Now you know why I am paying close attention to the details!
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  #15  
Old 03-06-2016, 06:09 PM
arizonajack arizonajack is offline
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Quote:
Originally Posted by JohnG View Post
You may laugh at this: I clicked on the Autozone link you provided. Since I had previously been at their website, my TBird is stored in some cookie or something. As soon as your battery link came up, so did DOES NOT FIT.
I did laugh at it. I have my 59 stored on the website and got the same result.
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  #16  
Old 03-07-2016, 01:59 AM
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WalMart has a #27 for $102. It has 810 CCA and a five year replacement (not prorated) warranty. They are made in USA (I think by A.O.Smith in Wisconsin). That's where I get mine. Bring in an old core to avoid the fee.

Here's the spec's:
Battery Type: Lead Acid
Model No.: MAXX-27
Shipping Weight (in pounds): 50.3
Product in Inches (L x W x H): 12.0 x 6.8 x 8.9
Walmart No.: 551472479
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  #17  
Old 03-08-2016, 11:50 AM
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That's a good price but wouldn't the posts be reversed on a 27?

I believe that the positive post of a 27F would be closest to the starter relay.

With a 27 I think you'd have to use a longer positive cable if the positive post is at the front of the car.
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  #18  
Old 03-08-2016, 12:16 PM
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It depends on which way you turn it...
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  #19  
Old 03-08-2016, 02:31 PM
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JMHO but you don't want the + post at the front of the car.... it would be too close to the hood.
"Most likely" (if using the metal bracket) it would not cause an interference issue but having the + post so close to the hood (which is grounded) will lead to corrosion on the hood. Ever notice how your battery hold down bracket (which is very close to the post) gets corroded?

Depending on how the battery is constructed .... when you install the battery.... it should only make the + post closer or further away from the inner fender but still toward the starter solenoid.

Eric
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  #20  
Old 03-08-2016, 06:17 PM
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Quote:
Originally Posted by simplyconnected View Post
It depends on which way you turn it...
True.

But if you turn a 27 so the + post is near the solenoid the - post may require a longer cable to reach the engine ground bolt.
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