REBUILDING

Identification (Holley 4150, 4160)

Part diagrams and photos (4150, 4160)

Pump diaphragm installation

Exploded diagrams (4150, 4160)

Adjustments (Holley 4150 & 4160)

CIRCUITS

Secondary Circuit (Holley 4150, 4160)

Power Circuit (4150, 4160)

Idle Circuit (Holley 4150, 4160)

TROUBLESHOOTING AND Q&A

Needle and Seats (Holley 4150, 4160)

Surging or Stumbling in Holley 4150, 4160

Carb dies after starting (4150, 4160)

Flooding in a Holley 4150, 4160

Secondary idle mixture screws only (4150, 4160)