Then what you think about the AI fastest lap time between quali & race which i mention above?? To me its weird they can race so fast and just 1s-2s slower than their quali time consider they cant use the drs as will in race .I don't think the AI uses any kind of setup. It's just and AI. Actually I think it's only A without the I
Though, In real races, hasn't been applied, ive seen one race cant remember where the commentators said, the setup wasn't changed due to the Parc ferme rules. so im not sureI think Parc Ferme rule is not apply if the weather change from dry to wet or vice versa, mean you can have different setup if the weather change ..
http://www.formula1.com/inside_f1/rules_and_regulations/sporting_regulations/8685/
The only exception to this is when there is a "change in climatic conditions", for example a dry qualifying session followed by a wet race, or vice versa. In this case the FIA will give the teams permission to make further appropriate changes to their cars.