Robert M. Gary wrote:

In the C140, the Aeronca, and the J-3 the carbs (probably all
Stromburg), pulling the mixture all the way out at idle had no effect
at all on the engine. The mixture control only affected the engine at
power.


With the Marvel-Schebler carbs found on the average (post 1950s) light
singles, pulling the mixture all the way back will cut off fuel to the idle
circuit as well as the main jet.

John Galban=====N4BQ (PA28-180)

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