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Post-Le Mans LMP1 EoT Changes Confirmed

FIA releases Equivalence of Technology changes for LMP1-H, LMP1-L cars…

Photo: John Dagys

Photo: John Dagys

The diesel-powered Audis will head into September’s Six Hours of Circuit of The Americas in a slightly different configuration following Equivalence of Technology (EoT) adjustments handed out to LMP1 cars this week.

The FIA Endurance Committee released Tuesday updated EoT tables that has essentially locked in the hybrid category’s regulations through next year’s 24 Hours of Le Mans.

While no adjustments have been made to the gasoline-powered LMP1-H cars, the Audi R18 e-tron quattro has been given a 0.3 percent reduction in diesel energy (0.4 MJ/Lap of Le Mans), but a 1 percent increase in max diesel flow (0.8 kg/h) for its 2 MJ of hybrid capacity.

Additionally, the diesel entries will have a marginally larger (0.1 liter) fuel tank capacity for the remainder of the year and in the run-up to the 2015 edition of Le Mans.

Changes have also been made in the Fuel Technology Factor AV (0.03 increase) and Fuel Technology Factor Pmax (0.12 reduction).

Further allocations, meanwhile, have also been given to LMP1-L cars, with the lightweight class now eligible to run at a minimum weight of 800 kg and with a 15 percent increase in petrol energy compared to the original tables.

The maximum gasoline flow, meanwhile, has also been increased from 100.9 to 104.9 kg/h for the COTA round, while the Rebellion and Lotus teams will also benefit from a larger fuel tank capacity of 73.5 liters.

Changes to LMP1-L cars have only been confirmed for the COTA round, with adjustments possible for the sub-class later in the season.

The changes to LMP1-L should make the cars more competitive, as Rebellion’s R-One Toyotas competed in last month’s 24 Hours of Le Mans at a 810 kg minimum weight and 72-liter fuel tank capacity, although with no limit in fuel consumption per lap.

The EoT update come in the wake of a minor refueling restrictor adjustment, which sees the gasoline-powered LMP1-H entries from Toyota and Porsche utilize a 0.25 mm larger opening in races that are forecast to be above 70 degrees Fahrenheit.

LMP1-L cars, meanwhile, have been confirmed with a 33 mm refueling restrictor for COTA, which is some 30 percent larger than allowed for both the diesel and gasoline-powered hybrid entries.

However, LMP1-L cars will carry a noticeably larger fuel tank compared to their hybrid counterparts.

John Dagys is the founder and Editor-in-Chief of Sportscar365. Dagys spent eight years as a motorsports correspondent for FOXSports.com and SPEED Channel and has contributed to numerous other motorsports publications worldwide. Contact John

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