REBUILDING

Identification (Holley 4150, 4160)

Part diagrams and photos (4150, 4160)

Pump diaphragm installation

Exploded diagrams (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)