 |
 |
| Note (1)from curb idle/from closed troddle | Note (2)Flush with top of bowl cover gasket. |
| 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 | 6484A | .18 | ---- | .015 | 1/4 | .25 | ---- | ---- | ---- | 750 | 1900 | ---- |
| 1971-73 | 6484A | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 700 | 1900 | ---- |
| 1971-73 | 6575A | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 750 | 1900 | ---- |
| 1971-73 | 6485 | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 750 | 1900 | ---- |
| 1971-73 | 6486A | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 700, 750 Calif. | 1800 | ---- |
| 1971-73 | 6454A | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 700 | 1800 | ---- |
| 1971-73 | 6472A | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 700 | 1800 | ---- |
| 1971-73 | 6487A | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 700 | 1800 | ---- |
| 1971-73 | 6488A | .18 | ---- | .015 | 1/4 | .17 | ---- | ---- | ---- | 700 | 1800 | ---- |
| 1974 | 6764A | .18 | ---- | ---- | .27 | .17 | ---- | ---- | ---- | 750 | 1700 | ---- |
| 1974 | 6765A | .18 | ---- | ---- | 1/4 | .17 | ---- | ---- | ---- | 750 | 1800 | ---- |
| 1974 | 6886A | .18 | ---- | ---- | 1/4 | .17 | ---- | ---- | ---- | 750 | 1800 | ---- |
| 1974 | 7052A | .18 | ---- | ---- | 1/4 | .17 | ---- | ---- | ---- | 750 | 1800 | ---- |
| 1975 | 6764A | .18 | ---- | ---- | .26/.31(1) | .17 | ---- | ---- | ---- | 750 | 1700 | ---- |
| 1975 | 6765A | .18 | ---- | ---- | .26/.31(1) | .17 | ---- | ---- | ---- | 750 | 1800 | ---- |
| 1976 | 6764A | .18 | ---- | ---- | .27/.32(1) | .17 | ---- | ---- | ---- | 750 | 1700 | ---- |
| 1976 | 6765A | .18 | ---- | ---- | .26/.31(1) | .17 | ---- | ---- | ---- | 750 | 1800 | ---- |
| 1976 | 68861A | .18 | ---- | ---- | .26/.31(1) | .17 | ---- | ---- | ---- | 700 | 1400 | ---- |
| 1977-78 | 6764A | .18 | ---- | ---- | .27/.32(1) | .17 | ---- | ---- | ---- | 750 | 1700 | ---- |
| 1977-78 | 7870A | .18 | ---- | ---- | .26/.31(1) | .17 | ---- | ---- | ---- | 750 | 1800 | ---- |
| 1977-78 | 6886-1A | .18 | ---- | ---- | .26/.31(1) | .17 | ---- | ---- | ---- | 700 | 1400 | ---- |
