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Automotive Mileposts
Specifications
1966 Thunderbird
America's Personal Luxury Car
ENGINE CODES

ENGINE CODE/DESCRIPTION

Z     Thunderbird 390 Special V-8
Bore & stroke: 4.05" x 3.78"
Comp. ratio: 10.5:1
Horsepower: 315 at 4600 RPM
Maximum Torque 427 at 2800 RPM
Carburetor: Ford 9510 4-barrel
Dual exhaust system with resonators
ENGINE CODE/DESCRIPTION

Q     Thunderbird 428 V-8
Bore & stroke: 4.13" x 3.98"
Comp. ratio: 10.5:1
Horsepower: 345 at 4600 RPM
Maximum Torque 462 at 2800 RPM
Carburetor: Ford 9510 4-barrel
Dual exhaust system with resonators
ENGINE CODE/DESCRIPTION

8     390 Cubic Inch V-8
Bore & stroke: 4.05" x 3.78"
Comp. ratio: 8.9:1
Horsepower: 265 at 4400 RPM
Carburetor: Ford 9510 4-barrel
Dual exhaust system with resonators
LOW OCTANE (84) FOR EXPORT ONLY
TRANSMISSION CODES

CODE/DESCRIPTION

4     C6 Dual Range (Automatic, 3-Speed)
(Installed with all 428 engines, and was used exclusively after mid-November through remainder of production)

8     Cruise-O-Matic (Automatic, 3-Speed)
(Installed with 390 engine only in early production, and discontinued in mid-November)
REAR AXLE CODES

CODE/DESCRIPTION

 1 - 3.00:1
 3 - 3.20:1
 6 - 2.80:1
01 - 3.00:1*
11 - 3.00:1*
 A - 3.00:1 Limited Slip
 F - 2.80:1 Limited Slip
0A -3.00:1 Limited Slip*
1A - 3.00:1 Limited Slip*
6A - 2.80:1 Limited Slip*

*Codes used only until October 18, 1965
WHEELBASE 113"

OVERALL LENGTH 205.4"
WIDTH 77.3"
HEIGHT
52.5" Conventional Hardtop
52.6" Town Hardtop
52.7" Town Landau
52.5" Convertible
WEIGHT
4,582 lbs. Conventional Hardtop
4,560 lbs. Town Hardtop
4,568 lbs. Town Landau
4,692 lbs. Convertible
LUGGAGE COMPARTMENT

USABLE LUGGAGE CAPACITY
11.5 cu. ft. Conventional Hardtop, Town Hardtop, and Town Landau
6.1 cu.ft. Convertible


GLASS AREA

SIDE GLASS

1249.3" Conventional Hardtop
1090.6" Town Hardtop and Town Landau
1244.1" Convertible
WINDSHIELD 1257.8" All Models
BACKLIGHT
842.7" Conventional Hardtop
754.8" Town Hardtop and Town Landau
746.0" Convertible
TOTAL GLASS AREA
3349.8" Conventional Hardtop
3103.2" Town Hardtop and Town Landau
3247.9" Convertible (with the top up, of course)
SUSPENSION

FRONT


Tread
Type
Springs
Shock Absorbers
Stabilizer
Steering Knuckle
Wheel Bearings
61 Inches
Independent with Ball Joints
4.18" ID Helical Coil--Rubber Mounted
Hydraulic, Telescopic, Vertical Mounting
Link-Type Mounting, Rubber-Bushed
Integral Spindle and Steering Arm
Opposed Taper Roller
REAR

Tread
Type
Number of Leaves
Leaf Length x Width
Spring Shackles
Shock Absorbers
60 Inches
Longitudinal Semielliptic Leaf Springs, Rubber-Bushed Attachments
5
60.00" x 2.5"
Tension-Type
Hydraulic, Telescopic, Angle Mounting
STEERING

Linkage
Gear
Ratio
Turns
Diameter
Steering Wheel
Parallelogram with Cross Link and Idler Arm
Recirculating Ball and Nut with Integral Power Unit
20.4 to 1
3.6 (Lock to Lock)
42.6 Feet (Curb to Curb)
16 Inches (Diameter) with Swing-Away Column
TIRES

Size
OEM Brand
Whitewall Stripe
Red Band Stripe
Stripe Spacing
8.15 x 15 4 Ply Rayon
Goodyear, Firestone (Red Band tires provided by Firestone only)
3/4"
3/8" (with Whitewall Stripe only, at additional charge)
3/8" between White Stripe and Red Band


1966 Ford Thunderbird Contents

Production | Paint | Trim | Standard Equipment | Optional Equipment

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