old '33 fuel tank

[tony]

My kit is from 2011 #324. I have it at go cart stage. I plan on keeping the original fuel tank it came with. With all the posts about switching to the Boyd tank, am I a fool by keeping the original tank?
Is it just bound to leak at some point. Right now, I don't see any issues with it.


update: i just ran 3 to 5 psi leak down on it with soapy water. It's definitely leaking at fuel pickup and fuel sender. I imagine it has the old square o rings in it (installed prior to me buying car). Does anybody know if a new o ring that's round will work?
if so, what size?