McLaren driver Oscar Piastri says he is "shocked and surprised" by his pre-race crash that left him unable to take the start of Formula 1's Australian Grand Prix as he received an unexpected power spike from his engine.<br>Around 40 minutes before the race, Piastri left the garage for the usual reconnaissance laps to the grid as teams conduct their final checks. But coming out of the Turn 4 ...<a class='more' href='https://www.motorsport.com/f1/news/oscar-piastri-had-100kw-extra-power-i-didnt-expect-in-australian-gp-pre-race-crash/10803280/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>