XY GT Falcon
specifications
DATE OF INTRODUCTION:
GT: Late 1970. GT-HO Phase III: Mid 1971. GT-HO: Mid 1971
VEHICLE TYPE:
Four-door sedan
MODEL LINE-UP:
GT, GT-HO Phase IIl
​
ENGINE/TRANSMISSION COMBINATIONS:
351 V8 standard on GT. 351 High Output engine standard on Phase III. Four-speed manual transmission standard on all models. Three-speed FMX automatic optional
*351 Type: Conventional, water cooled, four-stroke, reciprocating piston type
Capacity: 5.763 litres (351 ci)
Number of cylinders: 8
Configuration: Front mounted,longitudinal, 90 degree vee
Head design: Pushrod and rocker actuated overhead valve with hydraulic lifters
Fuel system: GT - Ford Autolite '4300' 600 cfm four barrel downdraught carburettor; GT-HO Phase III - Holley 780 cfm four barrel downdraught carburettor Bore and stroke: 4.00 x 3.50inches (101.6 mm x 89.0 mm)
Power output (DIN): GT - 300 bhp (224 kW) at 5400 rpm; GT-HO Phase III - 370-390 bhp (276-291 kW) at 5400 rpm Torque (DIN): 380 1b/ft (513 Nm) at 3400 rpm
Compression ratio: GT - 11.0: J"; GT-HO Phase III - 11.5: 1 (varies by 0.5)
TRANSMISSIONS (WITH RATIOS):
• Type: Four-speed all-synchro manual 1st: 2.78:1 2nd: 1.93:1 rd: 1.36:1 4th: 1.00:1 Reverse: 2.78: I
• Type: Three-speed FMX automatic 1st: 2.40: 1 2nd: 1.47:1 3rd: 1.00:1 Reverse: 2.00: I
​
CLUTCH:
Twin 9.25 inch dry plates
REAR AXLE RATIOS:
GT: Standard - 3.00:1. Optional- 3.25:1 and 2.75:1 Nine inch removable carrier type with limited slip 'traction lock' diff and 28 spline axles
GT-HO Phase III: Optional- 3.25:1,3.50:1 or 3.91:1 Nine inch 'Daytona' 31 spline axle with 'Detroit Locker' diff and nodular iron carrier
CHASSIS/CONSTRUCTION:
All steel unitary
SUSPENSION:
• Front: Independent angle poised ball joint, MacPherson strut, coil springs, wishbones and anti -roll bar
• Rear (with axle type): OT - Hotchkiss type with semi elliptic leaf springs, telescopic dampers and live axle; . GT-HO Phase III - Same as GT with anti-roll bar
STEERING: Recirculating ball with 16:1ratio. Power assistance optional (except on HO)
BRAKES:
Servo assisted. Vacuum reserve tank fitted on Phase III
Front: 11.25 inch (285 mm) discs. Dust shields removed on Phase III
Rear: 10 inch (254 mm) drums. Wider and finned on Phase III. Proportioning valve fitted
ELECTRICAL:
12 volt battery. Heavy duty alternator and regulator fitted to Phase III
IGNITION SYSTEM:
GT - Single point distributor;
GT-HO Phase III - Twin point distributor
EXHAUST SYSTEM:
GT - Cast iron manifold, low restriction twin exhaust;
GTHO Phase III - Steel extractors
WHEELS:
Standard - 6.00 x 14 inch steel '5 slot'. Chrome dress rim and hubcap;
Optional- 6.00 x 14 inch alloy 5 spoke Globe'Daytona' wheels from 1972
TYRES:
E70HRx 14
INSTRUMENTS/CONTROLS:
Speedometer calibrated to 140mph, tachometer calibrated 8000 rpm. Fuel, oil pressure and water temperature gauges. Alternator, high-beam and brake system warning lights. Clock
SEATING:
5
INTERIOR DIMENSIONS:
Front leg room: 42.1 inches (1069 mm)
Rear leg room: 37.8 inches (960 mm)
Front headroom: 37.7 inches (983 mm)
Rear headroom: 37.6 inches (955 mm)
Front shoulder room: 58 inches (1473 mm)
Rear shoulder room: 58 inches (1473 mm)
Front hip room: 59.5 inches (1511 mm)
Rear hip room: 59.5 inches (1511 mm)
EXTERIOR DIMENSIONS:
Total length: 15 ft 8.4 inches/188.4 inches (4689 mm)
Total width: 73.8 inches (1875 mm)
Total height at kerb weight: 54.7 inches (1389 mm)
Wheelbase: 111 inches (28l4mm)
Front track: 59 inches (1499 mm)
Rear track: 58.5 inches (1486 mm)
Kerb weight: 3360 lbs (1527 kg)
Turning circle kerb to kerb: 36.6 ft (11.1 m)
Fuel tank capacity: Standard -16.4 gallons (75litres).
Optional-36 gallons (164litres) Cargo capacity: 25.4 cubic ft (.69 cubic metres)
PRICES AT TIME OF INTRODUCTION:
GT - $4250.
Phase III - $5250
NUMBER BUILT: Total:
1857 (including 300 GT-HO's)
Breakdown:
1970: 757 GT's
1971: 800GT's, 300 Phase Ills
NB: No split is given for manual/auto GT's. All HO's were manual. See month by month production run-down at end of specification section
PERFORMANCE WHEN NEW:
XY GTHO Phase III Engine: 5.8-litre V8 Final drive: 3.25: I
Top speeds in gears -four-speed manual 1st (2.78: 1): 60 mph (97 kmh) 2nd (1.93: 1): 85 mph (137 km/h) 3rd (1.36:1): 110 mph (177 krn/h) 4th (1.00:1): 142 mph (229 krn/h)
Elapsed time 0-100 km/h (61 mph): 6.5 seconds
Standing 400 metres (approx quarter mile): 14.4 seconds
BODY/CHASSIS NUMBERS AND ENGINE CODES (FOR IDENTIFICATION):
The vehicle identification plate is located on the left hand side of the firewall
The first four digits should be: JG33
The fifth digit is the year of manufacture: 1970-K 1971 - L
The engine codes are: 351 V8 - T 351 HOV8-H
The transmission code for the four-speed manual is L
The transmission code for the three-speed automatic is B
OTHER IDENTIFICATION MARKS: ... GT - 'Shaker' bonnet scoop. Sports stripe running length of car above wheel arches. 'Super Roo' decals on front guards. 'GT' and 'Falcon GT' badges. Two bonnet blackouts. Shaker blacked out. Blacked out grille, rear boot lid between tail-lights, upper door frames and sill panels. 'GT' and '351 High Performance' badges inside ... Phase III -As per GT with -Boot lid wing and front bib spoiler. 'GT-HO' badge on glove box
​
Source: Spotlight on Ford Falcon GT & GT-HO, by Marque Publishing Company
​
​
XY GT Falcon Paint Codes
B - Onyx Black
C - Bold Blue
D or EZ821 = Raw Orange
E - Quick Silver
F - Vintage Burgundy
H - Track Red
I or EZ819 = Jewell Green
K - Frosted Pewter
L - Limelight metallic
O - Yellow Ocre
Q or EZ820 = Yellow Glow
S - Electric Blue
T - True Blue
U - Ultra White
X - Monza Green
Z or EZ815 = Wild Violet
2 - Bronze Wine
5 - Tealglow
6 - Vermillion Fire
9 - Nuggett Gold
F240 - AGFA Orange
F269 - RAA Lemon
F280 - Zircon Green
F289 - Surfer Orange
F320 - Harmony Grey
EZ099 - Shell Yellow
EZ903 - Spearmint
Z801 - Royal Umber
SPEC - Rothmans Blue
SPEC - Aviation Orange
SPEC - Special Order
​