if you're an airplane collector, or, the most obsessed B17 fan, it doesn't matter. As long as you have 9 million dollars, and want a B17 that's 80% restored, now is your chance to buy one cool B17 with only the nose and cockpit areas left to restore

 

period-correct propellers are said to be included, as well as the proper engines, those being a quartet of turbocharged nine-cylinder, 29.8-liter Wright radial engines.

https://www.thedrive.com/news/42034/this-9m-b-17-flying-fortress-project-plane-is-just-waiting-for-you-to-build-it

https://www.platinumfighters.com/inventory-2/1941-boeing-b-17e-flying-fortress-