368 cubic inch lincoln engine
Yes, it is in the Lincoln 'Y'-block family 317-368, but nothing transfers between it and the 256-312 Ford 'Y'-block.
The Ford line was kept separate from both the Lincoln lines, up until 1970-somethings, The Mercury line shared engines from both Ford, (at the economy end) and Lincoln (at the High end).
" ... It is dangerous to be right in matters on which the established authorities are wrong. ..." - Voltaire