81 k20 carb switch questions

[Autonutz]

Bought this gem off an old fella, its got a Holley replacment carb in place of the rochester and a lack of vac ports lol.
The Holley on it now has been going downhill and is in need of a rebuild. I've found a very similar holley locally that comes with a rebuild kit for super cheap, its off of a 69 camaro.

First two pictures are the holley on it now and the model stamp.
Third picture is the holley for sale.

I see the difference in the choke assembly but other than that very close.
Should be a straight swap i just have to figure out how and where to run another vacuum line to the choke right?

[bnoggle]

I think a straight swap should work. You could run the second choke vacuum line off the first with a T connector. The main difference is probably going to be the adjustments, since there will probably be different mixture and idle settings for the two different engines.