Carburetted Fuel System Specs (Beetle and pre-72 Bus)

by Robert Kuhn

Carburetted Fuel System Specifications

1961 - 1963

Type: 28 PICT
Venturi: 22.5 mm
Main Jet: 122.5 mm
Air Correction Jet: 130Y,145Y (Ghia)
Pilot Jet: 55
Pilot Jet Air Bleed: 2.0 mm
Accelerator Pump Jet: 0.050 mm
Power Fuel Jet: 1.0 mm
Float Needle Valve Diameter: 1.5mm
Float Weight: 5.7 grams
Accelerator Pump Feed: 1.1 - 1.4cc/stroke

Fuel Pump

Delivery Pressure (max): 2.8 psi
Delivery Capacity (min): 400cc/min @ 3400 rpm

Air Cleaner

Type: Oil Bath
Oil Capacity: 0.53 pints (0.25 liters)
1964 and 1965
Type: 28 PICT-1
Venturi: 22.5 mm
Main Jet: 122.5 mm
Air Correction Jet: 130Y,145Y (Ghia)
Pilot Jet: 55
Pilot Jet Air Bleed: 2.0 mm
Accelerator Pump Jet: 0.050 mm
Power Fuel Jet: 1.0 mm
Float Needle Valve Diameter: 1.5mm
Float Weight: 5.7 grams
Accelerator Pump Feed: 1.1 - 1.4cc/stroke

Fuel Pump

Delivery Pressure (max): 4 psi
Delivery Capacity (min): 400cc/min @ 3800 rpm

Air Cleaner

Type: Oil Bath
Oil Capacity: 0.53 pints (0.25 liters)
1966 and 1967
Type: 30 PICT-1
Venturi: 24 mm
Main Jet: O 125
Air Correction Jet: 125Z,135Z (1967; Ghia)
170Z (1966; Ghia)
Pilot Jet: g 55
Pilot Jet Air Bleed: 150
Accelerator Pump Jet: 50
Power Fuel Jet: n/a
Float Needle Valve Diameter: 1.5mm
Float Weight: 5.7 grams
Accelerator Pump Feed: 1.3 - 1.6cc/stroke

Fuel Pump

Delivery Pressure (max): 4 psi
Delivery Capacity (min): 400cc/min @ 3800 rpm

Air Cleaner

Type: Oil Bath
Oil Capacity: 0.53 pints (0.25 liters; 1300 engine)
0.8 pints (0.4 liters; 1500 engine)
1968 and 1969
Type: 30 PICT-2
Venturi: 24 mm
Main Jet: O 125
Air Correction Jet: 125Z, 135Z (Ghia)
Pilot Jet: 55
Pilot Jet Air Bleed: 130
Accelerator Pump Jet: 50
Power Fuel Jet: 60
Float Needle Valve Diameter: 1.5mm
Float Weight: 8.7 grams
Accelerator Pump Feed: 1.3 - 1.6cc/stroke

Fuel Pump

Delivery Pressure (max): 4 psi
Delivery Capacity (min): 400cc/min @ 3800 rpm

Air Cleaner

Type: Oil Bath
Oil Capacity: 0.8 pints (0.4 liters)
1970
Type: 30 PICT-3
Venturi: 24 mm
Main Jet: X 112
Air Correction Jet: 125Z
Pilot Jet: 65
Pilot Jet Air Bleed: 135
Accelerator Pump Jet: 42.5
Power Fuel Jet: 100
Float Needle Valve Diameter: 1.5mm
Float Weight: 8.5 grams
Accelerator Pump Feed: 1.2 - 1.35cc/stroke

Fuel Pump

Delivery Pressure (max): 4 psi
Delivery Capacity (min): 350cc/min @ 3800 rpm

Air Cleaner

Type: Oil Bath
Oil Capacity: 0.8 pints (0.4 liters)
1971 - 1974
Type: 34 PICT-3
Venturi: 26 mm
Main Jet: X 127.5
Air Correction Jet: 75Z, 80Z (Ghia)
Pilot Jet: 55
Pilot Jet Air Bleed: 147.5
Accelerator Pump Jet: 50
Power Fuel Jet: 60
Float Needle Valve Diameter: 1.5mm
Float Weight: 8.5 grams
Accelerator Pump Feed: 1.3 - 1.6cc/stroke

Fuel Pump

Delivery Pressure (max): 3-5 psi
Delivery Capacity (min): 400cc/min @ 4000 rpm

Air Cleaner

Type: Oil Bath
Oil Capacity: 0.8 pints (0.4 liters)
1974 (California)
Type: 34 PICT-4
Venturi: 26 mm
Main Jet: x 127.5
Air Correction Jet: 75Z(M), 70Z(A)
Pilot Jet: 55
Pilot Jet Air Bleed: 147.5
Accelerator Pump Jet: 42.5
Power Fuel Jet: 100
Float Needle Valve Diameter: 1.5mm
Float Weight: 8.5 grams
Accelerator Pump Feed: 1.1 - 1.7cc/stroke

Fuel Pump