12 volt battery

[ROBERTO]

1929 ford complete restoration changing to 12 volt. What is the best group number battery that will give me the best fit. Thanks

 

[CarlG]

Group 25

 

[Jim/GA]

I have used a Group 35.

You will also need to make it negative ground.

 

[Bob Bidonde]

This slide may help you decide.

 

[Jim/GA]

This slide may help you decide.

What do the dimensions look like for a Group 35? And where are the posts on the top of the battery on the 25 vs. the 35? I find the posts on the 25 in an inconvenient place.