1971 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 #D1DF-EA:
1 Barrel
Float Level: 3/8"
Float Drop: 1-1/4"
Fast Idle Cam Setting: .105"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .200"
Choke Setting: Index
Carburetor #D1DF-GA & HA:
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 #D1DF-JA & LA:
1 Barrel
Float Level: 3/8"
Float Drop: 1-1/4"
Fast Idle Cam Setting: .140"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .200"
Choke Setting: Index
Carburetor #D1DF-KA & MA:
1 Barrel
Float Level: 3/8"
Float Drop: 1-1/4"
Fast Idle Cam Setting: .140"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .200"
Choke Setting: Index
Carburetor #D1DF-PA:
1 Barrel
Float Level: 3/8"
Float Drop: 1-1/4"
Fast Idle Cam Setting: .190"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .200"
Choke Setting: Index
Carburetor #D1DF-RA:
1 Barrel
Float Level: 3/8"
Float Drop: 1-1/4"
Fast Idle Cam Setting: .220"
Dechoke or Unloader Setting: .250"
Pulldown Setting: .230"
Choke Setting: Index
Carter Model RBS Carburetor Adjustments:
Carburetor #D1ZF-HA & LA:
1 Barrel
Float Level: 9/16"
Accelerator Pump Stroke: .400"
Fast Idle Linkage Setting: .115"
Dechoke Setting: .250"
Pulldown Setting: .270"
Choke Setting: Index
Carburetor #D1ZF-NA & KA:
1 Barrel
Float Level: 9/16"
Accelerator Pump Stroke: .400"
Fast Idle Linkage Setting: .115"
Dechoke Setting: .250"
Pulldown Setting: .190"
Choke Setting: 1 Rich
Autolite/Motorcraft Carburetor Adjustments, Model 1250-1V, Pinto:
Carburetor #711-BDA
1 Barrel
Float Setting: 1.16" to 1.20"
Pump Stroke: .085"
Fast Idle Speed: 1,700 RPM
Choke Pulldown: .120"
Dechoke Clearance: .210
Choke Link Position: Outer Hole
Choke Setting: Index
Carburetor #711-BDB
1 Barrel
Float Setting: 1.16" to 1.20"
Pump Stroke: .070"
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 #D1AF-BA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #2
Choke Plate Clearance: .150"
Fast Idle Cam Linkage Clearance: .130"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: Index
Carburetor #D1AF-DA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .170"
Fast Idle Cam Linkage Clearance: .150"
Fast Idle Speed: 1,400 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: 1 Rich
Carburetor #D1AF-FA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .220"
Fast Idle Cam Linkage Clearance: .190"
Fast Idle Speed: 1,300 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: 1 Rich
Carburetor #D1AF-JA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .190"
Fast Idle Cam Linkage Clearance: .130"
Fast Idle Speed: 1,600 RPM
Dechoke Clearance: .060"
Dashpot Setting: 1/8"
Automatic Choke Setting: Index
Carburetor #D1AF-KA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .190"
Fast Idle Cam Linkage Clearance: .130"
Fast Idle Speed: 1,600 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: Index
Carburetor #D1MF-FA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .200
Fast Idle Cam Linkage Clearance: .160"
Fast Idle Speed: 1,400 RPM
Dechoke Clearance: .060"
Dashpot Setting: 1/8"
Automatic Choke Setting: 1 Rich
Carburetor #D1MF-JA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .190
Fast Idle Cam Linkage Clearance: .160"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Dashpot Setting: 1/8"
Automatic Choke Setting: 1 Rich
Carburetor #D1MF-KA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .190"
Fast Idle Cam Linkage Clearance: .160"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Dashpot Setting: 1/8"
Automatic Choke Setting: 1 Rich
Carburetor #D1OF-ABA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .170"
Fast Idle Cam Linkage Clearance: .150"
Fast Idle Speed: 1,400 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: 1 Rich
Carburetor #D1OF-PA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .230"
Fast Idle Cam Linkage Clearance: .190"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: Index
Carburetor #D1OF-RA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Clearance: .170"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: 1 Rich
Carburetor #D1OF-YA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Clearance: .170"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: 1 Rich
Carburetor #D1OF-ZA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .190"
Fast Idle Cam Linkage Clearance: .170"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: Index
Carburetor #D1YF-DA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Clearance: .160"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: Index
Carburetor #D1ZF-AA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #2
Choke Plate Clearance: .150"
Fast Idle Cam Linkage Clearance: .130"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: Index
Carburetor #D1ZF-SA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Clearance: .170"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: 1 Rich
Carburetor #D1ZF-UA:
2 Barrel
Float Level (Dry): 7/16"
Fuel Level (Wet): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Clearance: .170"
Fast Idle Speed: 1,500 RPM
Dechoke Clearance: .060"
Automatic Choke Setting: 1 Rich
Ford Autolite Carburetor Adjustments, Model 4300-4V:
Carburetor #D1AF-MA:
4 Barrel
Float Level (Dry): 49/64"
Pump Setting: Hole #2
Choke Plate Clearance: .220"
Fast Idle Speed: 1,350 RPM
Auxiliary Inlet Valve Setting: 1/16"
Dashpot Setting: 1/16"
Automatic Choke Setting: Index
Carburetor #D1OF-AAA:
4 Barrel
Float Level (Dry): 13/16"
Pump Setting: Hole #2
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Clearance: .180"
Fast Idle Speed: 1,400 RPM
Auxiliary Inlet Valve Setting: 1/16"
Automatic Choke Setting: Index
Carburetor #D1OF-EA:
4 Barrel
Float Level (Dry): 13/16"
Pump Setting: Hole #2
Choke Plate Clearance: .180"
Fast Idle Cam Linkage Clearance: .160"
Fast Idle Speed: 1,250 RPM
Auxiliary Inlet Valve Setting: 1/16"
Automatic Choke Setting: Index
Carburetor #D1SF-AA:
4 Barrel
Float Level (Dry): 49/64"
Pump Setting: Hole #2
Choke Plate Clearance: .220"
Fast Idle Speed: 1,350 RPM
Auxiliary Inlet Valve Setting: 1/16"
Dashpot Setting: 1/16"
Automatic Choke Setting: Index
Carburetor #D1DF-AA:
4 Barrel
Float Level (Dry): 49/64"
Pump Setting: Hole #2
Choke Plate Clearance: .220"
Fast Idle Cam Linkage Clearance: .170"
Fast Idle Speed: 1,250 RPM
Auxiliary Inlet Valve Setting: 1/16"
Dashpot Setting: .100"
Automatic Choke Setting: 1 Rich
Carburetor #D1ZF-FA:
4 Barrel
Float Level (Dry): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .220"
Fast Idle Cam Linkage Clearance: .220"
Fast Idle Speed: 1,200 RPM
Auxiliary Inlet Valve Setting: 1/16"
Automatic Choke Setting: 1 Lean
Carburetor #D1ZF-GA:
4 Barrel
Float Level (Dry): 13/16"
Pump Setting: Hole #3
Choke Plate Clearance: .200"
Fast Idle Cam Linkage Clearance: .200"
Fast Idle Speed: 1,200 RPM
Auxiliary Inlet Valve Setting: 1/16"
Automatic Choke Setting: Index
Ford Autolite Carburetor Adjustments, Model 5200-2V:
Carburetor (9510) #D12F-AA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Lower Hole
Choke Pull Down: .236"
Dechoke Clearance: .256"
Fast Idle Speed: 1,800 RPM
Fast Idle Cam Clearance: .010"
Automatic Choke Setting: Index
Carburetor (9510) #D12F-BA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Lower Hole
Choke Pull Down: .236"
Dechoke Clearance: .256"
Fast Idle Speed: 1,600 RPM
Fast Idle Cam Clearance: .010"
Automatic Choke Setting: Index
Carburetor (9510) #D12F-CA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Lower Hole
Choke Pull Down: .236"
Dechoke Clearance: .256"
Fast Idle Speed: 1,800 RPM
Fast Idle Cam Clearance: .010"
Automatic Choke Setting: Index
Carburetor (9510) #D12F-DA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Lower Hole
Choke Pull Down: .236"
Dechoke Clearance: .256"
Fast Idle Speed: 1,800 RPM
Fast Idle Cam Clearance: .010"
Automatic Choke Setting: 1 Rich
Carburetor (9510) #D12F-EA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Lower Hole
Choke Pull Down: .236"
Dechoke Clearance: .256"
Fast Idle Speed: 1,600 RPM
Fast Idle Cam Clearance: .010"
Automatic Choke Setting: 1 Rich
Carburetor (9510) #D12F-FA:
2 Barrel
Float Level (Dry): .420"
Pump Setting: Lower Hole
Choke Pull Down: .236"
Dechoke Clearance: .256"
Fast Idle Speed: 1,800 RPM
Fast Idle Cam Clearance: .010"
Automatic Choke Setting: 1 Rich
Rochester Quadrajet Carburetor Adjustments:
Model #D0OF-A
Float Level: 11/32"
Pump Rod
Hole: Outer
Adjustment: 5/16"
Fast Idle (Bench): 2 Turns
Choke Rod: .130"
Vacuum Break: .140"
Air Valve Dashpot: .030"
Choke Unloader: .300"
Air Valve Lockout: .015"
Model #D0OF-B
Float Level: 11/32"
Pump Rod
Hole: Outer
Adjustment: 5/16"
Fast Idle (Bench): 2 Turns
Choke Rod: .166"
Vacuum Break: .190"
Air Valve Dashpot: .030"
Choke Unloader: .300"
Air Valve Lockout: .015"
Model #D0OF-E
Float Level: 11/32"
Pump Rod
Hole: Outer
Adjustment: 5/16"
Fast Idle (Bench): 2 Turns
Choke Rod: .166"
Vacuum Break: .190"
Air Valve Dashpot: .030"
Choke Unloader: .300"
Air Valve Lockout: .015"
Model #D0OF-F
Float Level: 11/32"
Pump Rod
Hole: Outer
Adjustment: 5/16"
Fast Idle (Bench): 2 Turns
Choke Rod: .130"
Vacuum Break: .140"
Air Valve Dashpot: .030"
Choke Unloader: .300"
Air Valve Lockout: .015"
Holley Carburetor Adjustments:
Model #4150 & 4160:
Carburetor # D1ZFVA:
4 Barrel
Float Level (Dry): Adjust Float Parallel to Bowl Floor.
Fuel Level (Wet): Fuel Level should be at the level with the threads on the bottom of the sight hole
Pump Lever Clearance: .015"
Fast Idle:
On Car Adjustment: 2,200 RPM
Dashpot Setting: 1/8"
Model #4150 & 4160:
Carburetor # D1ZF-XA:
4 Barrel
Float Level (Dry): Adjust Float Parallel to Bowl Floor.
Fuel Level (Wet): Fuel Level should be at the level with the threads on the bottom of the sight hole
Pump Lever Clearance: .015"
Choke Setting: 2 Rich
Choke Unloader Clearance: 19/64"
Fast Idle:
On Car Adjustment: 2,400 RPM
Model #4150 & 4160:
Carburetor # D1ZF-YA:
4 Barrel
Float Level (Dry): Adjust Float Parallel to Bowl Floor.
Fuel Level (Wet): Fuel Level should be at the level with the threads on the bottom of the sight hole
Pump Lever Clearance: .015"
Choke Setting: 2 Rich
Choke Unloader Clearance: 19/64"
Fast Idle:
On Car Adjustment: 2,200 RPM
Dashpot Setting: 7/64"
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