Thread: 48 IDF jetting.
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Old 07-03-2008, 02:03 AM
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Rune,

The pump bleed is an orifice on the side of the pump inlet valve which is fitted to the bottom of the fuel bowl.
It determines the volume sent to the pump nozzles.
A larger bleed sends more back to the bowl and leans the accelerator pump VOLUME.
Nozzle size determines DURATION of shot.
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