We discussed the concept of engine homologation and the regulations surrounding the notion of a engine specification 'freeze' in performance and development earlier this week and one of the keys is the notion of 'reliability upgrades'. Engine manufacturers are allowed to make upgrades to their engine for reliability purposes and at the end of the year, they will be allowed to make a certain amount of performance upgrades as well.
The process of making reliability upgrades is through application to the FIA and according to FIA technical director, Charlie Whiting, all three of the engine manufacturers in Formula 1 have already applied:
'They've all done already. We've had requests from...
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