I am trying to find out the correct battery group. I've been told it is "probably" a group 29. Thanks

29NF interstate sell it ($125.00 about), a few of fork lifts use the same battery.

Cliff 

Check with a Ford dealer.  I bought one from them about 5 years ago.  Less than 90.00.  It's a truck battery.  They may have to order it if still available.   Early TBirds use the same battery.


54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

Not sure if they are the same but my 56 had a 29 with a longer frame. I bought a shorter but correct one from Larrys T-Bird and was able to purchase a new battery from my local Power-Tron dealer. The newer Ford diesel vans that have 2 batteries have a perfect fit for the 56 only the posts are reversed which is no big deal to me. Funny the vans have 2 different sizes because of space.....good luck

56 Vic, B'Ville 200 MPH Club Member, So Cal.

I have a 29 ( Interstate ) in my 57, posts are reversed, + is toward the front.

You car could have originally had either a group 29 battery as standard or a group 32 as the heavy duty option.

The dimensions are
Group 29 - 12 1/2" long, 5 1/2" wide, 9" tall
Group 32 - 14" long, 5 1/2" wide, 9" tall

Each has its own different but relatively sized batter tray and holddown

Measure what you have and buy accordingly.

Oldmics

NAPA HAS THEM

Click here: Ford Autolite Battery 29nF 1956 1964 Fairlane Galaxie Thunderbird | eBay

I got a new battery repo tray and a new B7A hold down and they are both 12 1/2".NAPA shows them but their online site says they are 13".I will just have to go and take my hold down and check one in person.