a new '63 Galaxie 4d H-M modified for a German customer to run on the Autobahn. It had a blueprinted 427-425 4-speed........and a special large capacity gas tank for those long trips at over 100 mph.

https://www.jalopyjournal.com/forum/threads/holman-moody-the-history.571847/page-6#post-6394466