JB weld hasn’t worked for me yet patching holes in the tank. It works good in place of bondo for leveling imperfections. You could solder those holes with soft solder then cover over with bondo or JB weld. Make sure to remove all flux after soldering.
1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1955 Johnson QD-16
1957 Evinrude Fastwin 18
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20
“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."