Here’s an un-modified 1962 Volga GAZ-22. I don’t think it had a cast-iron carburetor, but who knows?
“Only those shipped abroad for export were sold to private customers. All domestic station wagons/estates, with rare exceptions, were never available for private ownership. The Soviet rationale was that allowing such a car to citizens would also make it too available and popular with dealers in the grey market economy [which] was allowed but limited by the state.”