Hey guys, thanks for the replies! I think that it is indeed the original carb, probably will update it when I have some time to fiddle. I am fairly confident that vapor lock is what is going on, as it is only when the engine is fairly hot. Cold start no problem at all.

Already gave her new plugs, distributor, rotor and wires this past weekend and she runs quite well. Also the EGR light is on, so pulled that and gave it a good cleaning-still on but not going to worry too much about it.

And has promised, here is a photo of the thing! Brand new Hankook snow tires going on tomorrow that I got for a steal on craigslist (for all of the snow we definitely have in WA right now)

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