My 340 getting 6 mpg

Bewy said

There you go......
Direct from Holley......
Since they make the carbs, maybe, maybe just maybe, they know how their carbs work.....
Air bleeds: 'DECREASNG the size of the main air bleeds....will pull MORE fuel creating a richer fuel/air mixture'. A smaller MAB also starts the system earlier [ lower rpm ]. And vice versa for increasing the MAB size.

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Go read Taylor’s book. You know, a book that counts.

He says what I say. My testing says I’m right.

That’s wrong. You’re wrong because you don’t test.

Any low IQ moron with an O2 sensor can see exactly how it works.

This is the same Holley that to this day is telling people to incorrectly tune their own carbs.

That paper is garbage. Like your tuning knowledge and skill.

Not testing what other people write makes them worship clowns like DV and believe error like this.