Le Mans 24 Hours grid guide
Gary Watkins gives you the lowdown on the runners and riders taking part in this year's Le Mans 24 Hours with everything you need to know about all the entrants in all the classes
The LMP1 prototype rulebook is largely unchanged following major revisions for 2011 that included a downsizing of engine capacity, though there have been tweaks aimed at equating the performance of diesel and petrol cars. Most significantly, the fuel capacity for turbodiesels has been reduced from 65 to 60 litres, while the rulemakers have tried to reduce the diesel's power by seven per cent. The so-called grandfathered cars that ran at Le Mans last year – the likes of the V10 Judd-engined Pescarolo – finally disappeared after a swansong at the Sebring FIA WEC opener in March. The demise of the old cars means that all prototypes now have to run the Formula 1-style shark fin, introduced for last season as a means of preventing prototypes becoming airborne should they snap sideways. Another change, devised to work in conjunction with the fin, is the openings in the wheel arches.
Audi Sport Team Joest - Audi R18 e-tron quattro
#1 Andre Lotterer (D), Benoit Treluyer (F), Marcel Fassler (CH)
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