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All Models, 350"/250 HP (1970)

  1. Disconnect and plug distributor vacuum advance line. Turn mixture screws in (clockwise) until lightly seated, then turn out (counterclockwise) four turns.
  2. Adjust solenoid screw to obtain 630 RPM with automatic transmission in "D" position, or 830 RPM with manual transmission in Neutral. Adjust mixture screws equally in (clockwise) to obtain 600 RPM with automatic transmission in "D" position, or 750 RPM with manual transmission in Neutral.
  3. Disconnect electrical connections to solenoid, set carburetor idle speed screw to obtain 450 RPM and connect solenoid. Reconnect distributor vacuum advance line.
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