Getting a '73 Swinger Back on the Road

This is everything disassembled and cleaned
Carb 11.jpg

And finally all back together with new parts from the Holley kit
Carb 12.jpg

Swapping out the 2 barrel BBD wasn’t too difficult. Here’s how it looked before I began
4bbl Swap 1.jpg

And with the intake manifold removed, it was nice and clean in there
4bbl Swap 3.jpg

I thought this would be a good time to replace the long length of rubber hose coming up from the fuel pump with steel line
4bbl Swap 4.jpg

Here’s how it turned out
4bbl Swap 5.jpg

4bbl Swap 6.jpg

I bought the correct throttle bracket for it, and was able to modify the 2bbl kickdown linkage to get it all to work
4bbl Swap 7.jpg

Starting it up I ran into a hickup where it was only running on one side of the dual plane. I posted a question about that and got some very helpful advice from the great members here on what to look for. Turns out I had one of the gaskets on incorrectly (or perhaps used the wrong gasket, since there were a few different ones in the kit). With that corrected, it ran beautifully. I'll see if I can find that thread and post a link.

Found it: Holley Flooding Engine and Spewing Gas