Pages 4–10 (7 pages)

Operation

From the 1955 White Holley 885-JJG Carburetor

Year
1955
Models
Holley 885-JJG dual concentric downdraft; White engines 260A, 280A, 360A, 370A, 390A
Publication
H-466
Pages
35

How each system works, with labelled diagrams: fuel inlet needle and float, main metering with main well tube and air bleeds, idle system with adjusting needles, power enrichment through the manifold-vacuum economizer piston and power valve, the accelerating pump with override spring, the choke, and the Centri-Vac governor with its diaphragm, spring and centrifugal rotor valve.

What this section covers

  • Fuel inlet system
  • Main metering system
  • Idle system
  • Power enrichment system
  • Accelerating pump system
  • Choke system
  • Governor system
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