Calibration:3-21A-R03

MODEL YEAR: 1983 - (1-Pc Air Control Valve) - ENGINE: 5.0L
CARBURETOR SPECIFICATIONS

Model: Holley 4180C-4V
Part Number: E3ZE-9510-AUA E3ZE-9510-AUB (Alt.)

CHOKE/FUEL ENRICHMENT SYSTEM
Pulldown Setting: .195-.215"
Choke Cap Identification: 47R-705A (AUA) 47R-714A (AUB)
De-Choke: .300" Minimum
Choke Cap Setting: 3 NR

FUEL INLET SYSTEM
Fuel Level (Wet): Bottom of Sight Plug

PUMP SYSTEM
Pump Cam Location: #1

MAIN METERING SYSTEM
Enrichment Valve Identification: 24
Main Metering Jet: Primary: 61
Secondary: .078
DISTRIBUTOR SPECIFICATIONS Total Advance @ 2500 RPM Includes Initial Timing

Distributor Part No: E3ZE-12127-HA
Initial Timing (~BTDC): 10
Vac Advance Connected: 35-46
Vac Advance Disconnected: 17-22



MODEL YEAR: 1983 - (2-Pc Air Control Valve) - ENGINE: 5.0L
CARBURETOR SPECIFICATIONS

Model: Holley 4180C-4V
Part Number: E3ZE-9510-AUA E3ZE-9510-AUB (Alt.)

CHOKE/FUEL ENRICHMENT SYSTEM
Pulldown Setting: .195-.215"
Choke Cap Identification: 47R-705A (AUA) 47R-714A (AUB)
De-Choke: .300" Minimum
Choke Cap Setting: 3 NR

FUEL INLET SYSTEM
Fuel Level (Wet): Bottom of Sight Plug

PUMP SYSTEM
Pump Cam Location: #1

MAIN METERING SYSTEM
Enrichment Valve Identification: 24
Main Metering Jet: Primary: 61
Secondary: .078
DISTRIBUTOR SPECIFICATIONS Total Advance @ 2500 RPM Includes Initial Timing

Distributor Part No: E3ZE-12127-HA
Initial Timing (~BTDC): 10
Vac Advance Connected: 35-46
Vac Advance Disconnected: 17-22