Comment Comment by Diggsey Going to need a citation for those claims...https://en.wikipedia.org/wiki/Avgas#Phase-out_of_leaded_avia...> 70% of 100LL aviation fuel is used by the 30% of the aircraft in the general aviation fleet that cannot use any of the existing alternativesOn the second point: lead is specifically added to help increase the lifetime of components like spark plugs, since it decreases knocking. parent Diggsey 4 years ago
https://en.wikipedia.org/wiki/Avgas#Phase-out_of_leaded_avia...
> 70% of 100LL aviation fuel is used by the 30% of the aircraft in the general aviation fleet that cannot use any of the existing alternatives
On the second point: lead is specifically added to help increase the lifetime of components like spark plugs, since it decreases knocking.