Quote:
Originally Posted by Charlie ny
Old,
I wish to clarify something here.......the two brass screws at the rear of the carb, on the base, are IDLE mixture screws and not mixture screws. Once the carb is
off idle the effect of this adjustment drops off rapidly.
Charlie ny
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I have an air/fuel meter in my truck, and have been surprised at the effect of idle mix screws on cruise AFR. If set for best/smoothest idle, cruise economy suffers. To get the best cruise AFR, I have them set out maybe 1/16 turn from where I get an occasional stumble at idle.