Cracked Carter...

With todays gas JB Weld will probably fail after a week or two. I tried to fix a small leak in a motorcycle gas tank with it and it failed.However there is an epoxy just for gas tank repair that will work Permatex 84334 28 Grams Fuel Tank Repair | Max Warehouse .
I used this on the bike tank and also the gas tank in my 76 Aspen and both repairs held

I have used JB Quick to repair a gas tank leak out on the trail before and it held the rest of the time we owned the bike. (like 12 years)

Epoxy is the one I don't trust with fuel, even though it is commonly recommended for fuel sealing.
It seems to crack from the fuel contact.