And so it begins,,,,,, 5-speed Duster swap!

Dang, that sucks...

Seeing as it is a real 340 block, it might be worth seeing if it can be welded.
[URL]https://www.hotrod.com/how-to/engine-block-repair[/URL]

Or you can try the pinning:

That is an option. But I’m gonna have to strip the block down to a bare block to have any work done. I literally just got this thing. Put back together after sitting for four years. It’s just very discouraging.