Early A Fuel Tank with Sump + Extras

Still have tank? Could save me a lot of work/time I’m converting my 2x4 blower motor two 2X4 super sniper.So need large in and outs.Cant tell by pics,is that the smaller 62 tank or the std 64-5 larger one gal? Did you ever use it?
Still have it. This is the 64-65 tank.
I want to say it’s 18 gallons.