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ORECA-Built Rebellion R13 Gibson Confirmed

ORECA to build new Rebellion R 13 Gibson LMP1 car for WEC 2018/19 season…

Image: Rebellion

Rebellion Racing will continue its relationship with ORECA in its return to LMP1 competition this year, having confirmed Monday that its new non-hybird prototype will be built by the French constructor.

Known as the Rebellion R13, the car will be powered Gibson’s new GL458 engine, an upstaged 4.5-liter normally aspirated powerplant.

As revealed by Sportscar365 in September, ORECA had been putting the pieces in place for a return to top-level prototype competition, following confirmation of revised LMP1 regulations that are set to balance hybrid and non-hybrid prototypes in a single class.

It sees an increased partnership between the two organizations, which began with the Rebellion R-One LMP1 car in 2014 and included the team’s switch to LMP2 competition last year with Oreca 07 Gibsons.

Rebellion is understood to be the exclusive customer of the new chassis, which is based on its LMP2 championship-winning car but with significant developments.

“To design this new LMP1 prototype is a wonderful challenge,” said ORECA Group CEO Hugues de Chaunac. “When the design bureau began developing the Oreca 07, we really wanted to move up to the next level, one step higher compared to the Oreca 05.

“The successes achieved last year really motivated and convinced us to now tackle the highly competitive main category.

“Fitted with an atmospheric engine, this LMP1 will face a hard task against the hybrid cars. But the Rebellion R13 will be a very determined challenger.”

Despite its expansion into LMP1, ORECA will continue its operational support of Toyota Gazoo Racing in the FIA World Endurance Championship’s ‘Super Season’ which kicks off at Spa in May.

The car is expected to be unveiled at the Geneva Motor Show next month, followed by its on-track debut in the run-up to the WEC’s Prologue on April 7-8.

John Dagys is the founder and Editor-in-Chief of Sportscar365 as well as the recently launched e-racing365 Web site for electric racing. Dagys spent eight years as a motorsports correspondent for FOXSports.com/SPEED Channel, and contributes to other publications worldwide. Contact John

11 Comments

11 Comments

  1. Anonymous

    February 5, 2018 at 6:42 am

    I wonder why they chose the R 13 designation. I would have suspected the car to be called the R-Two or something. Maybe a customer version will be known as the Oreca 013. Is that image a CG render? Or is it an 07 with some extra winglets and a P1 sticker? Or is it the real deal?

    • AE_Racer

      February 5, 2018 at 8:04 am

      Oreca 07 + Oreca 05 + R-One = R13? Lol I dunno

    • Tyler Sanders

      February 5, 2018 at 8:21 am

      The Oreca 07 is a excellent platform itself. So it would make since just to use that to make the LMP1 prototype from. Only thing is shedding about 75-100 kg’s of the car.

      • TF110

        February 5, 2018 at 1:22 pm

        The 07 is well under the minimum weight in lmp2. It’s ballasted to meet the 930kg. Oreca has said it themselves. I don’t think they’ll have any trouble with this car being 833kg.

        • John

          February 5, 2018 at 8:19 pm

          Yes. In fact the 07 is based on the R-one LMP1 confirmed by Oreca themselves

    • Timo Li

      February 5, 2018 at 7:27 pm

      Rebellion has been using No.13 since 2009, so they just use the 13 into their car name.

  2. Azuma

    February 5, 2018 at 7:22 am

    So the Rumours are true, the Rebellion R LMP1 has return.

    Good Luck Rebellion Racing.

    • Jareth Belanger

      February 5, 2018 at 11:59 am

      They were never rumours rebellion states they were not going to daytona because they are focusing on LMP1 this year.

      • Azuma

        February 5, 2018 at 6:28 pm

        It’s just an expression.

  3. Matt

    February 5, 2018 at 3:43 pm

    So an updated R-One with an engine that isnt garbage. Should go ok.

  4. NASCAR/DPs Suck

    February 6, 2018 at 12:54 pm

    Curious how much power the new Gibson is supposed to make-is it just 650 over the 600 of the P2 engine?

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