SaabCentral Forums banner

butterfly

  1. NG900 & OG9-3 Workshop
    Near the base of the spring, on the throttle body, there is a screw which takes an allen wrench. Around that screw is a nut, I'm guessing a lock nut. I'd like to increase the spring tension on the butterfly which, in theory, is remaining a little open when I shift gears and revving up the car...
Top