https://www.motorsport.com/f1/news/gasly-to-start-last-in-canada-after-engine-change-1045463/

However, after work overnight both in Canada and Japan
it was decided that it would be safe to run the new spec
in the race, so a complete fresh power unit
? all six elements ? has now been fitted.

記事によると全とっかえぽいね
どうなるか見てみよう