Hersh, I appreciate the confusion over 1075's powerplant. Depending on what source you use--the Spain book, the recent Legate book--you will read that 1074 was a rebuild of Mirage M/10002, that 1075 was a rebuild of M/10002, that 1075 was a rebuild of M/10003, etc. Creates some ambiguity because Legate says M/10003 raced with "four different engines" (without specifying the differences) and states elsewhere that 1075 raced with 289, 302, and 305 c.i. powerplants. It's not clear what was in the car at what point, although Spain states that 1075 had engine 67/10, a 1968 Ford 289 with Gurney-Weslake heads and Weber carbs. One would assume that is a reference to the engine in the car during its '68 Le Mans win, but what the hell do I know.
Bob