Boost Pressure Adjustments
To adjust boost pressure, remove wire seal and circlip from regulator control arm and detach diaphragm lever. Loosen lock nut on lever and rotate lever end in appropriate direction. See CHARGE PRESSURE ADJUSTMENT chart.
CHARGE PRESSURE ADJUSTMENT
| Gauge Reading While Driving - Bar | Rotate Lever |
|---|---|
| .23 | 3 Clockwise |
| .24 | 2.5 Clockwise |
| .25 | 2 Clockwise |
| .26 | 1.5 Clockwise |
| .27-.33 | Correct Setting |
| .34 | 1 Counterclockwise |
| .35-.36 | 1.5 Counterclockwise |
| .37 | 2 Counterclockwise |
| .38 | 2.5 Counterclockwise |
| .39-.40 | 13 Counterclockwise |