this post was submitted on 23 Dec 2025
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Formula 1

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[โ€“] partial_accumen@lemmy.world 2 points 6 months ago* (last edited 6 months ago)

I thought it was pretty clear what the advantage was. If you need it here's a super simple explanation:

  • higher engine compression better than lower engine compression
  • FIA rule says all engines must be the same fixed compression size
  • FIA also says engine size measured when engines cold
  • Certain materials change size with temperature
  • Some engine teams figured out that they can make their engine produce slightly higher compression at high race temperatures
  • Result: some engines have higher compression than others yet all engines legally pass the fixed compression size rule.