Weber progressive 2bbl?
I would use a 32/36 DGV Weber on a slant six in a heartbeat.
One of the most reliable, best metering carbs I have ever had. They mix well, and all sorts of choke options are available.
It took over 200k miles to wear out the throttle shaft on one in a vehicle with a 5 speed transmission. Never needed a kit or a needle & seat in those miles either.
They are fairly low profile which can only help.
B.