weld it up, you’ll be fine.
If you can weld cast iron go for it.
BUT with how cheap a replacement manifold, or even an after market, can be found i’d grab another one.
Ill give it a shot with the welder.
All welded up. its not pretty but I wanted to make sure it penetrated well.
Do these cars have a donut gasket where the b pipe and cat meet up? The spring bolts dont seem to be holding as tight as I (or the ecm) would like it.
yes they do have the donut gasket.