When I first saw this press release come through I was a bit sceptical on how such a small motor would ever be competitive in such a long race. After taking a few days to think about it it's a great idea from Nissan to take a motor that is likely going to be the future of at least one of their cars (1DX?) and prove it on the grounds where their enthusiasts take their cars.... the track.

1.5L turbocharged and 40KG, 400hp/280ftlb and small enough ...