Allpar Forums banner

1974 thermoquad

  1. Repairs, Maintenance, Help
    Hello, I would like to know the most common way to tune a 74 Thermoquad's mixture screws. The reason I ask, is because it seems strange to me that I'll start the procedure with the screws at 2 turns out from being closed, engine starts right up, I'll go to about 4 turns out (counterclockwise) to...