Secondary Throttle Lockout
Close choke valve fully so lock lever tang is engaged in slot of fast idle cam. Measure clearance between side of lockout lever tang and edge of slot in cam (see Figure). Adjust by bending tang on fast idle cam; clearance should be as follows:
Secondary Throttle Lockout Clearance
| Model | Clearance |
|---|---|
| 1963 Pontiac Tempest 4 Cyl. | .030" |
| 1964 & Later Cadillac | .020" |
| All Others | .015" |