Rival top teams are dubious about the performance of Ferrari's mighty 2019 Formula 1 power unit after Spa-Francorchamps and Monza, where Charles Leclerc secured his first two victories back-to-back, the superiority of the Maranello-made power unit was clearer than ever. 'Right now, Renault, Honda and ourselves are at about the same level,' Mercedes' Toto Wolff told Auto Motor und Sport. 'Only Ferrari stands out, and in a pretty serious way.' There are various theories floating around in the paddock. One suggests that Ferrari is generating more than the allowed kilowattage from the battery. Another is that the engine is managing to store and then use extra fuel at certain moments between...
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