1973 FORD MOTOR COMPANY
CARBURETORS
All Makes & Models
Note: Carburetors Covered in this file are for all Ford, Mercury & Lincoln Models.
Carter Model YF Carburetor Adjustments:
Carburetor #D3DF-AA:
1 Barrel
Float Level: 3/8"
Float Drop: 1-1/4"
Fast Idle Cam Setting: .170"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .230"
Choke Setting: Index
Carburetor #D3DF- CA:
1 Barrel
Float Level: 3/8"
Float Drop: 1-1/4"
Fast Idle Cam Setting: .140"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .230"
Choke Setting: 1 Rich
Carburetor #D3OF-CA:
1 Barrel
Float Level: 9/16"
Fast Idle Cam Setting: .115"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .300"
Choke Setting: 1 Rich
Carter Model RBS Carburetor Adjustments:
Carburetor #D3OF-BA:
1 Barrel
Float Level: 9/16"
Accelerator Pump Stroke: .420"
Fast Idle Linkage Setting: .115"
Dechoke Setting: .250"
Pulldown Setting: .300"
Choke Setting: Index
Carburetor #D3OF-CA:
1 Barrel
Float Level: 9/16"
Accelerator Pump Stroke: .400"
Fast Idle Linkage Setting: .115"
Dechoke Setting: .250"
Pulldown Setting: .190"
Choke Setting: Index
Autolite/Motorcraft Carburetor Adjustments, Model 1250-1V, Pinto:
Carburetor #731F-KAA
1 Barrel
Float Setting: 1.20"
Pump Stroke: .085"
Choke Pulldown: .075"
Choke Setting: Index
Carburetor #731F-KEA
1 Barrel
Float Setting: 1.20"
Pump Stroke: .085"
Fast Idle Speed: 1,700 RPM
Choke Pulldown: .075"
Dechoke Clearance: .210"
Choke Link Position: Outer Hole
Choke Setting: Index
Autolite Carburetor Adjustments, Model 1940-IV:
Carburetor #DOPF-A; DOPF-C:
1 Barrel
Float Setting (Dry): Toe of float should be flush with gasket surface of main body.
Pump Setting: 27/32" from centerline of pump link hole in pump rod to edge of 5/16" boss on main body. Adjust by bending float tang.
Fast Idle Cam: 5/64"
Vacuum Kick: 3/16"
Choke Unloader: 5/32"
Automatic Choke Setting: Index
Fast Idle Speed: 2,100 RPM
Carburetor #DOPF-D:
1 Barrel
Float Setting (Dry): Toe of float should be flush with gasket surface of main body.
Pump Setting: 27/32" from centerline of pump link hole in pump rod to edge of 5/16" boss on main body. Adjust by bending float tang.
Fast Idle Cam: 5/64"
Vacuum Kick: 3/16"
Choke Unloader: 5/32"
Automatic Choke Setting: Index
Dashpot Setting: 3/32"
Fast Idle Speed: 2,100 RPM
Carburetor #DOPF-E; DOPF-F:
1 Barrel
Float Setting (Dry): Toe of float should be flush with gasket surface of main body.
Pump Setting: 27/32" from centerline of pump link hole in pump rod to edge of 5/16" boss on main body. Adjust by bending float tang.
Fast Idle Cam: No Vacuum, 2nd Step
Choke Unloader: At Wide Open Throttle
Carburetor #DOPF-G; DOPF-H; DOPF-J:
1 Barrel
Float Setting (Dry): Toe of float should be flush with gasket surface of main body.
Pump Setting: 27/32" from centerline of pump link hole in pump rod to edge of 5/16" boss on main body. Adjust by bending float tang.
Fast Idle Cam: No Vacuum, 2nd Step
Choke Unloader: At Wide Open Throttle
Dashpot Setting: 3/32"
Carburetor #DOPF-K:
1 Barrel
Float Setting (Dry): Toe of float should be flush with gasket surface of main body.
Pump Setting: 27/32" from centerline of pump link hole in pump rod to edge of 5/16" boss on main body. Adjust by bending float tang.
Fast Idle Cam: 1/16"
Vacuum Kick: 5/32"
Choke Unloader: 1/8"
Automatic Choke Adjustment: Index
Dashpot Setting: 3/32"
Fast Idle Speed: 2,100 RPM
Carburetor #DOPF-L:
1 Barrel
Float Setting (Dry): Toe of float should be flush with gasket surface of main body.
Pump Setting: 27/32" from centerline of pump link hole in pump rod to edge of 5/16" boss on main body. Adjust by bending float tang.
Fast Idle Cam: 1/16"
Vacuum Kick: 5/32"
Choke Unloader: 1/8"
Automatic Choke Adjustment: Index
Dashpot Setting: 3/32"
Carburetor #DOPF-M; DOPF-N; DOPF-R; DOPF-T:
1 Barrel
Float Setting (Dry): Toe of float should be flush with gasket surface of main body.
Pump Setting: 27/32" from centerline of pump link hole in pump rod to edge of 5/16" boss on main body. Adjust by bending float tang.
Dashpot Setting: 3/32"
Ford Autolite Carburetor Adjustments, Model 2100, 2150, 6200-2V:
Carburetor #D3AF-CE:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #2
Fast Idle Speed: 1,500 RPM
Dashpot Setting: 1/8"
Automatic Choke Setting: 2 Rich
Carburetor #D3AF-DC:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Fast Idle Speed: 1,500 RPM
Automatic Choke Setting: 3 Rich
Carburetor #D3AF-AF:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #2A
Fast Idle Speed: 1,400 RPM
Automatic Choke Setting: 3 Rich
Carburetor #D3GF-BA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #2A
Automatic Choke Setting: 3 Rich
Carburetor #D3MF-AE:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Fast Idle Speed: 1,500 RPM
Automatic Choke Setting: 3 Rich
Carburetor #D2MF-FB:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #2A
Fast Idle Speed: 1,400 RPM
Automatic Choke Setting: 1 Rich
Carburetor #D3GF-BB:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #2A
Fast Idle Speed: 1,250 RPM
Automatic Choke Setting: 1 Rich
Carburetor #D3AF-KA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Fast Idle Speed: 1,500 RPM
Automatic Choke Setting: 3 Rich
Carburetor #D3MF-BA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Fast Idle Speed: 1,500 RPM
Automatic Choke Setting: 3 Rich
Ford Autolite Carburetor Adjustments, Model 4300-4V:
Carburetor #D3AF-HA:
4 Barrel
Float Level (Dry): 3/4"
Pump Setting: Hole #1
Choke Plate Clearance: .210"
Fast Idle Cam Linkage Setting: .200"
Fast Idle Speed: 1,350 RPM
Auxiliary Inlet Valve Setting: 1/16"
Automatic Choke Setting: Index
Carburetor #D3VF-DA:
4 Barrel
Float Level (Dry): 3/4"
Pump Setting: Hole #1
Choke Plate Clearance: .210"
Fast Idle Cam Linkage Setting: .190"
Fast Idle Speed: 1,350 RPM
Auxiliary Inlet Valve Setting: 1/16"
Automatic Choke Setting: Index
Carburetor #D3ZF-AC:
4 Barrel
Float Level (Dry): 13/16"
Pump Setting: Hole #1
Choke Plate Clearance: .180"
Fast Idle Cam Linkage Setting: .180"
Fast Idle Speed: 1,300 RPM
Auxiliary Inlet Valve Setting: 1/32"
Automatic Choke Setting: Index
Carburetor #D3ZF-BC:
4 Barrel
Float Level (Dry): 13/16"
Pump Setting: Hole #1
Choke Plate Clearance: .170"
Fast Idle Cam Linkage Setting: .170"
Fast Idle Speed: 1,300 RPM
Auxiliary Inlet Valve Setting: 1/32"
Automatic Choke Setting: 1 Rich
Carburetor #D3ZF-DC:
4 Barrel
Float Level (Dry): 13/16"
Pump Setting: Hole #1
Choke Plate Clearance: .180"
Fast Idle Cam Linkage Setting: .180"
Fast Idle Speed: 1,300 RPM
Auxiliary Inlet Valve Setting: 1/32"
Automatic Choke Setting: Index
Carburetor #D3AF-EB:
4 Barrel
Float Level (Dry): 7/8"
Pump Setting: Hole #1
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Setting: .200"
Fast Idle Speed: 1,900 RPM
Auxiliary Inlet Valve Setting: 1/32"
Automatic Choke Setting: Index
Ford Autolite Carburetor Adjustments, Model 5200-2V:
Carburetor (9510) #D32F-AC:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Hole #2
Choke Pull Down: .158"
Automatic Choke Setting: Index
Carburetor (9510) #D32F-BD:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Hole #2
Choke Pull Down: .158"
Dechoke Clearance: .256"
Fast Idle Speed: 1,600 RPM
Fast Idle Cam Clearance: .118"
Automatic Choke Setting: 1 Lean
Carburetor (9510) #D32F-CA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Hole #2
Choke Pull Down: .158"
Dechoke Clearance: .256"
Fast Idle Speed: 1,800 RPM
Fast Idle Cam Clearance: .158"
Automatic Choke Setting: Index
Carburetor (9510) #D3TF-AA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Hole #2
Choke Pull Down: .237"
Dechoke Clearance: .256"
Fast Idle Speed: 1,600 RPM
Fast Idle Cam Clearance: .118"
Automatic Choke Setting: Lean
Carburetor (9510) #D3TF-BA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Hole #2
Choke Pull Down: .237"
Dechoke Clearance: .256"
Fast Idle Speed: 1,800 RPM
Fast Idle Cam Clearance: .118"
Automatic Choke Setting: Index
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