4-Door with 340 from the factory?

So some Chrysler executive says we won't put 340's in anything but 340 Dusters and 340 Dart Swingers. We only want to put it in light cars so it can go fast. Maybe if they put them in other cars we would have the advantage of having more around now instead of $1000 340 short blocks. I had one in a 71 340 Duster and it truly was a fast car. Later on they put them in Road Runners, after motor was detuned with lower compression and smaller valves, thanks to the Govt. again trying to control everything. I guess the 340 falls into the same category as the Hemi.