Geneza, la Motori Moderni:
http://oppositelock.kinja.com/coloni-subaru-subarus-failed-attempt-at-f1-1441838111
https://en.wikipedia.org/wiki/Subaru_1235

Urmarea, la Koenigsegg:
http://jalopnik.com/how-koenigsegg-nearly-built-subarus-flat-12-f1-engine-1790634539