Tuning with an A/F Ratio Meter

[cudabob496]

So, I assume if I have an A/F meter, I just observe the meter, while at various throttle
positions, and adjust the primary and secondary jets on my Holley accordingly?

[brads70]

So, I assume if I have an A/F meter, I just observe the meter, while at various throttle
positions, and adjust the primary and secondary jets on my Holley accordingly?

I also used it to tune the adjustable air bleeds as well as the jets.