Calibration:3-21P-R01

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

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

CHOKE/FUEL ENRICHMENT SYSTEM
Pulldown Setting: .195-.215"
Choke Cap Identification: 47R-714A
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: 25R-609-23
Main Jet (Primary): 622
Main Jet (Secondary): .078
DISTRIBUTOR SPECIFICATIONS Total Advance @ 2500 RPM Includes Initial Timing

Distributor Part No: E3ZE-12127-JA
Initial Timing (~BTDC): 10
Vac Advance Connected: 34-45
Vac Advance Disconnected: 17-22



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

Model:

Part Number: Holley 4180C-4V E3ZE-9510-BGA E3ZE-9510-BGB (Alt.)

CHOKE/FUEL ENRICHMENT SYSTEM Pulldown Setting:
Choke Cap Identification: .195-.215"
De-Choke: 47R-714A
Choke Cap Setting: .300" Minimum 3 NR
FUEL INLET SYSTEM
Fuel Level (Wet):

Bottom of Sight plug

PUMP SYSTEM Pump Cam Location:
#1

MAIN METERING SYSTEM
Enrichment Valve Identification: 25R-609-23
Main Jet (Primary):
622
Main Jet (Secondary):
.078
DISTRIBUTOR SPECIFICATIONS Total Advance @ 2500 RPM Includes Initial Timing Distributor Part No:
Initial Timing (~BTDC): E3ZE-12127-JA
Vac Advance Connected: 10

Vac Advance Disconnected: 34-45 17-22