318 MAX fuel economy builds?

Jadaharabi said

In effect it was a heated carb spacer.
Everybody else wants to cool the air going into the engine this was heating it up instead.

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I was told a long time ago by an chemical engineer (my little league coach) that gasoline doesn’t burn, its the vapors. So when ‘gas’ is heated it gives off vapors, the hotter it gets the more vapors the more fire. Watch when they weld on those huge tanks, it has to be full because gas don’t burn