1971 FORD PINTO

Model Designations:

Ford Pinto, 4 Cylinder

Ford Pinto, 4 Cylinder, Body Styles:

2 Door Sedan, 4 Passenger, Body # 62B

Factory Price: $1,919; Shipping Weight: 1,949 Pounds

Production Total: 288,606

3 Door Runabout Hatchback, 4 Passenger, Body # 64B

Factory Price: $2,062; Shipping Weight: 1,994 Pounds

Production Total: 63,796

Chassis:

Wheelbase: 94"

Tire Sizes: 6.00 X 13"

Engine Availability by Model:

I-4 98.6 Cubic Inches 75 H.P. Standard Engine

I-4 122 Cubic Inches 100 H.P. Optional Engine

General Engine Specifications:

4 Cylinder, 98 Cubic Inch, 75 H.P. Engine:

Engine Type: Overhead Cam, Inline 4

Bore & Stroke: 3.188" x 3.056"

Engine Displacement: 98 Cu. In.

Compression Ratio: 8.40

Taxable Horsepower: 16.26

Horsepower: 75 @ 5,000 RPM

Torque: 96 Ft. Lbs @ 3,000 RPM

Normal Oil Pressure: 35 PSI

Carburetor: 1 Barrel

4 Cylinder, 122 Cubic Inch, 100 H.P. Engine:

Engine Type: Overhead Cam, Inline 4

Bore & Stroke: 3.57" x 3.03"

Engine Displacement: 122 Cu. In.

Compression Ratio: 9.00

Taxable Horsepower: 20.39

Horsepower: 100 @ 5,600 RPM

Torque: 120 Ft. Lbs @ 3,600 RPM

Normal Oil Pressure: 50 PSI

Carburetor: 2 Barrel

Tune Up Specifications - All Series:

4 Cylinder, 98 Cubic Inch Engine:

Spark Plug Type: AGR-22

Spark Plug: Gap .030"

Point Gap: .025"

Distributor Cam Angle: 38-42 Degrees

Firing Order: 1-2-4-3

Ignition Timing: 12 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 600 RPM; 800 RPM with Throttle Solenoid Energized

Idle CO:

Standard Transmission: 1.2%

4 Cylinder, 122 Cubic Inch Engine:

Spark Plug Type: BRF-32

Spark Plug: Gap .025"

Point Gap: .025"

Distributor Cam Angle: 38-42 Degrees

Firing Order: 1-3-4-2

Ignition Timing: 6 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 750 RPM

Automatic Transmission: 650 RPM in Drive

Idle CO:

Standard Transmission: 1.2%

Automatic Transmission: 1.2%

Valve Specifications:

4 Cylinder Engines, 98 Cubic Inch:

Valve Lash:

Intake: .010" Hot

Exhaust: .017" Hot

Valve Angles:

Seat: 45 Degrees

Face: 45 Degrees

Valve Spring Height, Installed: 1.263"

Valve Spring Pressure: 118 Lbs @ .957"

Valve Stem Clearance:

Intake .0008"-.0030"

Exhaust .0017"-.0039"

Valve Stem Diameter:

Intake: .3100"

Exhaust: .3100"

4 Cylinder Engines, 122 Cubic Inch:

Valve Lash:

Intake: .008" Hot

Exhaust: .010" Hot

Valve Angles:

Seat: 45 Degrees

Face: 45 Degrees

Valve Spring Height, Installed: 1.417"

Valve Spring Pressure: 144 Lbs @ 1.059"

Valve Stem Clearance:

Intake .0015"-.0025"

Exhaust .0015"-.0025"

Valve Stem Diameter:

Intake: .3149"

Exhaust: .3149"

Piston, Rings, Pins, Crankshaft & Bearing Data:

4 Cylinder 98 Cubic Inch Engines:

Piston Clearance: .0016"-.0022"

Ring End Gap:

Compression: .009"

Oil: .009"

Wrist Pin Diameter: .8119"

Rod Bearings:

Shaft Diameter: 1.9372"

Bearing Clearance: .0004"-.0024"

Main Bearings:

Shaft Diameter: 2.1257"

Bearing Clearance: .0004"-.0024"

Thrust on Bearing #3

Crankshaft End Play: .003"-.011"

4 Cylinder 122 Cubic Inch Engines:

Piston Clearance: .001"-.002"

Ring End Gap:

Compression: .0189"

Oil: .016"

Wrist Pin Diameter: .9475"

Rod Bearings:

Shaft Diameter: 2.0468"

Bearing Clearance: .0006"-.0026"

Main Bearings:

Shaft Diameter: 2.2441"

Bearing Clearance: .0006"-.0019"

Thrust on Bearing #3

Crankshaft End Play: .004"-.008"

Engine Tightening Specifications:

4 Cylinder 98 Cubic Inch Engines:

Spark Plugs: 22-28 Ft. Lbs.

Cylinder Head Bolts: 65-70 Ft. Lbs.

Intake Manifold:

Studs: 9-12 Ft. Lbs

Nuts: 12-15 Ft. Lbs.

Bolts: 12-15 Ft. Lbs.

Exhaust Manifold:

Studs: 9-12 Ft. Lbs.

Nuts: 15-18 Ft. Lbs.

Rocker Arm Shaft Bracket: 25-30 Ft. Lbs.

Rocker Arm Cover: 2-1/2 to 3-1/2 Ft. Lbs.

Connecting Rod Cap Bolts: 30-35 Ft. Lbs.

Main Bearing Cap Bolts: 65-70 Ft. Lbs.

Flywheel to Crankshaft: 50-55 Ft. Lbs.

Vibration Damper or Pulley: 24-28 Ft. Lbs.

4 Cylinder 122 Cubic Inch Engines:

Spark Plugs: 14-20 Ft. Lbs.

Cylinder Head Bolts: 65-80 Ft. Lbs.

Intake Manifold: 12-15 Ft. Lbs.

Exhaust Manifold: 15-18 Ft. Lbs.

Rocker Arm Ball Stud Nuts: 32-36 Ft. Lbs.

Rocker Arm Cover: 4-6 Ft. Lbs.

Connecting Rod Cap Bolts: 29-34 Ft. Lbs.

Main Bearing Cap Bolts: 65-75 Ft. Lbs.

Flywheel to Crankshaft: 47-51 Ft. Lbs.

Vibration Damper or Pulley: 39-43 Ft. Lbs.

Capacities-All Series:

4 Cylinder 98 Cubic Inch Engine:

Cooling System:

Without Heater: 6 Quarts

With Heater: 6-3/4 Quarts

Radiator Cap Pressure:

Without Air Conditioning: 12-15 PSI

Thermostat Opening: 186 Degrees

Fuel Tank: 11 Gallons

Engine Oil Refill: 3-1/2 Quarts*

Manual Transmission:

Four Speed: 2-1/2 Pints

Rear Axle: 2.2 Pints

* With New Oil Filter

4 Cylinder 122 Cubic Inch Engine:

Cooling System:

Without Heater: 6-3/4 Quarts

With Heater: 7-1/2 Quarts

With Air Conditioning: 7-1/2 Quarts

Radiator Cap Pressure:

With Air Conditioning: 12-15 PSI

Without Air Conditioning: 12-15 PSI

Thermostat Opening: 186 Degrees

Fuel Tank: 11 Gallons

Engine Oil Refill: 5 Quarts*

Manual Transmission:

Four Speed: 2-1/2 Pints

Automatic Transmission: 8 Quarts

Rear Axle: 2.2 Pints

* With New Oil Filter

Starting Motor Specifications:

All Engines:

Part #D12F-AA

Brush Spring Tension: 40 Ounces

No Load Test: 70 Amperes

Torque Test: 460 Amperes, 5.0 Volts, @ 9 Ft. Lbs.

All Engines:

Part #D22F-AA

Brush Spring Tension: 40 Ounces

No Load Test: 70 Amperes

Torque Test: 460 Amperes, 5.0 Volts, @ 9 Ft. Lbs.

Ford Alternator Specifications:

Part #D0ZF-B

Current Rating: 38 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.4 Amperes @ 12 Volts

Voltage Regulator #D0AF-A

Voltage @ 75 Degrees: 13.5-15.3 Volts

Field Relay:

Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts

Part #D0AF-G

Current Rating: 42 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.4 Amperes @ 12 Volts

Voltage Regulator #D0AF-A

Voltage @ 75 Degrees: 13.5-15.3 Volts

Field Relay:

Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts

Distributor Specifications:

Note: Only Pinto Distributors are shown here.

Part #D1ZF-A

Centrifugal Advance:

Advance Starts: 0 to1/2 Degree @ 350 RPM

Intermediate Advance: 3-3/4 to 5-3/4 Degrees @ 750 RPM

Intermediate Advance: 6-1/8 to 8-1/4 Degrees @ 1,000 RPM

Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,500 RPM

Full Advance: 11-3/4 Degrees @ 2,500 RPM

Vacuum Advance Data:

Advance Starts @ 5" Vacuum

Full Advance: 7-1/2 Degrees @ 25" Vacuum

Maximum Retard: 4 Degrees @ 20" Vacuum

Part #D1ZF-B

Centrifugal Advance:

Advance Starts: 0 to1/2 Degree @ 400 RPM

Intermediate Advance: 1-1/2 to 3-1/2 Degrees @ 750 RPM

Intermediate Advance: 5-1/2 to 7-1/2 Degrees @ 1,000 RPM

Intermediate Advance: 7-3/4 to 9-3/4 Degrees @ 1,500 RPM

Full Advance: 14 Degrees @ 2,500 RPM

Vacuum Advance Data:

Advance Starts @ 5" Vacuum

Full Advance: 8 Degrees @ 25" Vacuum

Maximum Retard: 7 Degrees @ 20" Vacuum

Part #D1ZF-C

Centrifugal Advance:

Advance Starts: 0 to1/2 Degree @ 350 RPM

Intermediate Advance: 3 to 5 Degrees @ 1,000 RPM

Intermediate Advance: 8-1/2 to 10-1/2 Degrees @ 1,500 RPM

Intermediate Advance: 10-1/2 to 12-1/2 Degrees @ 2,000 RPM

Full Advance: 12-1/2 Degrees @ 2,500 RPM

Vacuum Advance Data:

Advance Starts @ 5" Vacuum

Full Advance: 10 Degrees @ 25" Vacuum

Maximum Retard: 4 Degrees @ 20" Vacuum

Brake Specifications, Passenger Cars, All Series

All Model Passenger Cars:

Brake Drum Diameter: 9.00"

Wheel Cylinder Bore:

Front Disc: 2.125"

Front Drum: 1.00"

Rear: .7187"

Master Cylinder Bore:

Front Disc: .9375"

Drum Brakes: .9375"

Rear Axle, All Models:

Carrier Type: Integral

Ring Gear & Pinion Backlash: .008"-.012"

Nominal Pinion Locating Shim: .030"

Method: Shims

Pinion Bearing Preload:

With New Bearings with Seal: 17-32 Inch Pounds

With Used Bearings with Seal: 6-12 Inch Pounds

Differential Bearing Preload:

With New Bearings: .008"-.012"

With Used Bearings: .003"-.005"

Pinion Nut Torque: 140 Ft. Lbs.

Wheel Alignment Specifications:

All Models:

Caster: + 1-1/2 Degrees

Camber:

Left: + 3/4 Degree

Right: + 3/4 Degree

Toe-In: 3/16"

Toe-Out on Turns:

Outer Wheel: 18.95 Degrees

Inner Wheel: 20 Degrees

Ford Carburetor Adjustments:

Note: See 1971 Ford Motor Company Carburetors Data File

Popular Options:

AM Radio & Antenna; Automatic Transmission; Chrome Window Moldings; White Wall Tires; 122 Cubic Inch, 200 H.P. Engine; and Much More.

1971 Ford Historical Data:

Introduction date of the 1971 Ford Pinto was on September 18, 1970.

Total Ford Production for the1971 model year was 1,910,924 including 352,402 Pintos.

1971 Ford Colors & Codes:

A Raven Black or Model T Black

B Maroon

C Dark Green

D Grabber Yellow or Pinto Yellow

F Medium Blue

H Light Green

I Grabber Lime or Pinto Lime

J Grabber Blue or Pinto Blue

M Wimbledon White

N Pastel Blue

O Light Yellow Gold

P Medium Green

Q Winter Blue

S Gray Gold

T Candy Apple Red

U Grabber Red

V Light Pewter

W Yellow

X Dark Blue

Y Dark Blue

Z Grabber Green

2 Medium Bright Yellow

3 Bright Red or Pinto Red

4 Medium Lime

5 Medium Brown

6 Acapulco Blue or Hulla Blue

7 Maroon

8 Morning Gold

9 Anti-Establish Mint

Promotional Models Available:

Plastic: Mustang Mach I 2 Door Fastback; Torino Cobra 429 2 Door Hardtop; Maverick 2 Door Sedan; Thunderbird 2 Door Hardtop; Pinto 2 Door Sedan.

Copyright 2001, Custom Solutions & Services