Calibration Resistors
The injection pump fuel delivery is fine tuned with a resistor in the PMD. The resistors range in number from one to nine. The number nine will deliver the highest fuel delivery. If no resistor is used, the pump will default to the number five. We recommend using the number nine resistor to give you that little extra performance.
Grey PMD Resistors
Stanadyne changed the connector between the wiring harness and the PMD when they updated their PMD. Use this resistor with the new grey colored Stanadyne PMD's.
Black PMD Resistors
Use this resistor with the old style Stanadyne or DTech black colored PMD's.
Note: This resistor can be used with the grey PMD by simply clipping the ends along the dotted lines shown below.
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