Hi,
So, i have my carb (carter afb 4bbl) tuned in pretty okay with an o2 sensor, but i noticed something odd...
I cruise with 60mph on the highway at a good 15:1 AFR. This is, hard to say, about between 1/3 to 1/2 throttle opening, no load on the engine at about 2000 to 2100rpm. Now, when...