The world championship stated in 1953, the first Le Mans not to count towards this, I think was 1956.
![Grin](http://www.clubarnage.com/forum/Smileys/classic/grin.gif)
Bingo- we have a winner!
![Cheesy](http://www.clubarnage.com/forum/Smileys/classic/cheesy.gif)
???After the Mercedes crash in '55 the ACO reduced the engine capacity for `prototypes' to 2½ liters, not in conformance with the FIA.
![Roll Eyes](http://www.clubarnage.com/forum/Smileys/classic/rolleyes.gif)