Langdons is a good source for the adapter, that's what I've got under my 32/36.
Here's a thread where I modded it to get rid of the goofy Ford spacer:
viewtopic.php?f=1&t=32460
One important note, you're prolly going to want to find a DFV carb instead of a DGV series carb. The DFV is a mirror-image of the DFV, which puts the throttle "pull" in the right direction, as well as a couple of other small issues.
IIRC, the DFV series (including the electric choke DFEV) was made by Holley, licensed by Weber for Ford (I guess that's why the "F"?) for use on Pintos, etc. it's also known as the H/W 5200. Landon's used to sell them, but I see he no longer does. I don't know where else to look for them, but be aware that you can run into odd jetting setups like mine has - it's got a HUGE idle air bleed, which is a pressed-in part that NOBODY online has replacements for. It makes mine WAY lean at idle and off- idle, and so I ended up putting a piece of *thin* shim stock with a smaller hole in it over the air bleed to get the idle mix back in line.
Not to mention that no matter where you get a 32/36 type carb from, you're going to end up messing around with the jetting - lots of good info in these forums on that, just do some searching and you'll be busy reading for a week.
I'm not knocking the 32/36 carb at all, but if I'd have known then what I know now, I'd have gone a different direction - probably had the intake milled for a direct-mount Autolite or Holley "regular" 2-bbl carb. pulling the head and machining it sounds like a lot, but it'd have simpler and cheaper in the long run.
Something else to consider, sticking with a Ford 1-bbl like a Carter YF (I'm not a big fan of them), a Carter RBS (I like them), or an Autolite 1100 or 1101 (I also like them, but not as much as the RBS). Unless you're adding a header and other performance parts, there's not really a LOT (imho) to be gained by going 2-bbl.