Re: ---===The Official MAFT-Pro Thread===---
He is actually right, it is the correct way to do it. You can use a nut as the bung and have the nut welded in. I don't believe it wouldn't have to be aluminum to be welded onto aluminum.
With that being said, if the nut on the inside with an o-ring or some kind of sealant doesn't leak under boost/pressure test, then I don't see why that couldn't be tried first.
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