Why is there lead in it? (LL Avgas)
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Joined 02/04/2019 - 13 Posts
Answered By AOPA
Why is there lead in it? (LL Avgas)
1 Replies
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Joined 01/30/2020 - 8 Posts
AOPA Staff Answer
Tetraethyl lead (dissolved lead) helps to increase the octane rating of gasoline.
This rating indicates the gasoline's resistance to detonation, a destructive combustion type that occurs in engines under heavy load and high temperature conditions.