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| Year | Model Or Type |
Float Level (IN.) | Fuel Level (IN.) | Bowl Vent Valve(IN.) | Pump Travel Setting |
Choke Setting Unloader(IN.) |
Choke Setting Housing |
Idle Srew Turns Out | ON Air Bypass Turns Open |
THE Idle Speed (RPM) .... |
TRUCK Fast Idle Speed (RPM) |
ADJUSTMENTS Dashpot Plunger Clearance (IN.) |
| 1971-73 | 6593A | .26 | ---- | .015 | ---- | .065 | ---- | 1 1/2 | ---- | 750 | 2000 | ---- |
| 1971-73 | 6594A | .26 | ---- | .015 | ---- | .065 | ---- | 1 1/2 | ---- | 750 | 1700 | ---- |
| 1971-73 | 6595A | .26 | ---- | .015 | ---- | .065 | ---- | 1 1/2 | ---- | 750 | 2000 | ---- |
| 1971-73 | 6596A | .26 | ---- | .015 | ---- | .065 | ---- | 1 1/2 | ---- | 750 | 1700 | ---- |