You could try a standard setup off a Alfa 33, Most Alfa 33's in Australia came with aircon standard....then again nearly all the Serries 2 cars, and all of the serries 3 cars had 1700 motors....
You need the compressor, and brackets, both of the A/C radiators (one in each guard) reciever/dryer, purge cansiter, and modifed heaterbox. Also a/c high pressure lines need to be run along with all the required electronics.
I recomend for your Sud you use the heater box of a 1.7IE serries 2 Alfa 33. The boxes off the earlier twincarb serries 2's and serries 1's sit the a/c condensor under the dash.....which causes the dash to collapse
The 1.7IE ones sit the condensor in the service compartment next to the battery. Much better idea!
However I have seen a factory a/c setup for a Serries 3 Alfa Sud, its the same as a Alfa 33 setup, 'cept it uses one big a/c radiator, and the condensor takes up the room where the passenger puts his feet......(well close enough!)
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