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HeyBub[_3_] HeyBub[_3_] is offline
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Default gasoline for lawnmower

wrote:

Leaded fuel is NOT required (or even desired) in 2 stroke engines.
Lead was required to protect the valves, which the VAST majority of 2
stroke gasoline engines do not have.


Tetraethyl lead was added more to increase the octane rating of gasoline
than protection of the engine parts.