4-Door with 340 from the factory?

There's nobody on this forum that can answer the question with any first hand personal knowledge.
The chance of it happening is greater than it would be today but your here stories from all the manufacturers of oddball cars being built.
One of my favorites is the 64 Fairlane wagon with the hi po 289 and four speed that the farmer drove for 20 years.
The plant employees and salespeople new how to get things done.