One of the Ferraris was running an engine that had already done one race weekend .
The other had a two race old engine , according to Luigi Fraboni , who is head of Ferraris 's engine operations side and formerly the engine engineer for Schumacher and Raikkonen .
One of the Ferraris was running an engine that had already done one race weekend and the other had a two race old engine , according to Luigi Fraboni , who is head of Ferrari 's engine operations side and formerly the engine engineer for Schumacher and Raikkonen .