HJ HOLDEN MONARO SPECIFICATION DETAILS:
DATE OF INTRODUCTION:October 1974
VEHICLE TYPE:Two door coupe and four door sedan
MODEL LINE-UP:Monaro GTS Sedan, Monaro Coupe, Monaro LS Coupe, Monaro GTS Coupe
ENGINES (WITH SPECIFICATIONS)
3300 Low compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:3312.8 cc
Number of cylinders:Six
Configuration:Front mounted longitudinal in-line
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single throat Bendix Stromberg BXV-2 downdraught carburettor
Bore and stroke:92.08 mm x 82.55 mm
Displacement:3312.8 cc
Power output (DIN):96.2 kW at 4400 rpm
Torque (DIN):231 Nm at 2000 rpm
Compression ratio:7.8:1
RAC rating:31.54 HP
3300 High compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:3312.8 cc
Number of cylinders:Six
Configuration:Front mounted longitudinal in-line
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single throat Bendix Stromberg BXV-2 downdraught carburettor
Bore and stroke:92.08 mm x 82.55
Displacement:3312.8 cc
Power output (DIN):135 bhp (100.7 kW) at 4400 rpm
Torque (DIN):190 lb/ft (231 Nm) at 2000 rpm
Compression ratio:9.4:1
RAC rating:31.54 HP
4.2 litre Low compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:4146 cc
Number of cylinders:Eight
Configuration:Front mounted longitudinal vee
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single two barrel Bendix Stromberg WW downdraught carburettor
Bore and stroke:92.08 mm x 77.77 mm
Displacement:4146 cc
Power output (DIN):174 bhp (130 kW) at 4400 rpm
Torque (DIN):247 lb/ft (325 Nm) at 2400 rpm
Compression ratio:8.0:1
RAC rating:42.05
4.2 litre High compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:4146 cc
Number of cylinders:Eight
Configuration:Front mounted longitudinal vee
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single two barrel Bendix Stromberg WW downdraught carburettor
Bore and stroke:92.08 mm x 77.77 mm
Displacement:4146 cc
Power output (DIN):185 bhp (138 kW) at 4400 rpm
Torque (DIN):262 lb/ft (353.7 Nm) at 2400 rpm
Compression ratio:9.0:1
RAC rating:42.05 HP
5.0 litre
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:5047 cc
Number of cylinders:Eight
Configuration:Front mounted longitudinal vee
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single four barrel Rochester 4MV Quadrajet downdraught carburettor
Bore and stroke:101.66 mm x 77.77 mm
Displacement:5047 cc
Power output (DIN):240 bhp (179.0 kW) at 4800 rpm
Torque (DIN):315 bhp (434 Nm) at 3000 rpm
Compression ratio:9.0:1
RAC rating:51.20 HP
TRANSMISSIONS (WITH RATIOS)
Type:Three speed all synchro manual
1st:3.07:1
2nd:1.68:1
3rd:1.00:1
Reverse:3.59:1
Type:M21 four-speed manual
1st:2.54:1
2nd:1.83:1
3rd:1.38:1
4th:1.00:1
Reverse:2.54:1
Type:Three speed Trimatic automatic
1st:2.48:1
2nd:1.48:1
3rd:1.00:1
Reverse:
Type:Three speed Turbo Hydra-Matic '400' automatic
1st:2.48 :1
2nd:1.48 :1
3rd:1.00 :1
Reverse:
REAR AXLE RATIOS:3.55:1 or 3.08:1
ENGINE/TRANSMISSION COMBINATIONS:Trimatic transmission standard with 3300 engine on LS, not available with GTS. Four speed manual standard on GTS with 4.2 and 5.0, not available on LS. Hydra-Matic standard with 4.2 and 5.0 on LS, optional with 4.2 and 5.0 on GTS
PERFORMANCE WHEN NEW
Model:Monaro GTS Four Door Sedan
Engine:5.0 V8
Final drive:2.78:1
Top speeds in gears - Three speed automatic
1st (2.48:1):70 km/h
2nd (1.48:1):110 km/h
3rd (1.00:1):182 km/h
Elapsed time 0-100 km/h:10.4 seconds
Standing 400 metres:17.9 seconds
CHASSIS/CONSTRUCTION:All steel unitary
CLUTCH:Single dry plate, diaphragm spring type
SUSPENSION:
Front:Independent with coil springs, wishbones and anti-roll bar. Direct acting dampers
Rear (with axle type):Live axle with four link trailing arms and coil springs. Direct acting dampers
STEERING:Recirculating ball
BRAKES:
Front:Power assisted discs
Rear:Power assisted discs
ELECTRICAL:12 volt, 48 amp hour battery, 35 amp alternator
WHEELS:6.00Jx14, 7.00JJx14 optional on GTS)
TYRES:Monaro LS - E78L14. Monaro GTS - ER70H14
INSTRUMENTS/CONTROLS:Monaro LS - Speedo, fuel gauge, water temperature. Monaro GTS - Speedo, tacho, water temperature, oil pressure, ammeter
EXTERIOR DIMENSIONS:
Total length (inches/mm):187.5 inches (4850 mm)
Total width (inches/mm):74.0 inches (1813 mm)
Total height (inches/mm) at kerb weight:Monaro and LS - 53.1 inches (1301 mm). GTS and
Wheelbase (inches/mm):111.0 inches (2719.5 mm)
Front track (inches/mm):Monaro and LS - 60.2 inches (1474.9 mm). GTS and GTS 350 - 60.4 inches (1530 mm)
Rear track (inches/mm):Monaro and LS - 60.2 inches (1474.9 mm). GTS - 60.4 inches (1530 mm)
Kerb weight (lb/kg):Coupe - 1425 kg. Sedan - 1441 kg
Turning circle kerb to kerb (inches/mm):39 ft (11.9 m))
Fuel tank capacity:Coupe - 66 litres. Sedan - 75 litres
Cargo capacity (litres) SAE:
PRICES AT TIME OF INTRODUCTION:Monaro GTS Four Door Sedan - $5138. Automatic transmission - $331
TOTAL NUMBER BUILT:
Total HJ: 154,114
Monaros: 4754 (This probably includes four-door models but GMH figures do not specifically mention them)
ENGINE NUMBERS (FOR IDENTIFICATION):Six cylinder models - Located right side of block above mounting. V8s - Top left of block.
BODY/CHASSIS NUMBERS (FOR IDENTIFICATION):Located right side front of frame. The first four digits are the model number:
8P37 - Monaro LS Coupe
8Q69 - Monaro GTS Sedan
8Q37 - Monaro GTS Coupe
The next letter is the engine identification:
M - QM 202 (low compression 3300 cc)
L - QL 202 (high compression 3300 cc)
S - QS 253 (low compression 4.2 litre)
R - QR 253 (high compression 4.2 litre)
T - QT 308 (high compression 5.0 litre)
The next letter is the model year:
D - 1974
E - 1975
The next two digits is the assembly plant code:
H1-H4 - Brisbane
H5-H9 - Sydney
J1-J9 - Dandenong
L1-L5 - Adelaide
The next five numbers is the vehicle serial number which represents the sequence in which the vehicle was built at the particular plant. The final letter is the series code: J for HJ
OTHER IDENTIFICATION MARKS:Monaro LS - Protruding mesh grille with badge in centre. Dual circular headlights and parklights/indicators on side. Body side protection moulding, black rubber strip on bumper. Chrome headlights surrounds.
Monaro GTS Coupe - As for Monaro LS except single headlight and black bezels, GTS badge in centre of grille, three slot vent in front guard.
VEHICLE TYPE:Two door coupe and four door sedan
MODEL LINE-UP:Monaro GTS Sedan, Monaro Coupe, Monaro LS Coupe, Monaro GTS Coupe
ENGINES (WITH SPECIFICATIONS)
3300 Low compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:3312.8 cc
Number of cylinders:Six
Configuration:Front mounted longitudinal in-line
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single throat Bendix Stromberg BXV-2 downdraught carburettor
Bore and stroke:92.08 mm x 82.55 mm
Displacement:3312.8 cc
Power output (DIN):96.2 kW at 4400 rpm
Torque (DIN):231 Nm at 2000 rpm
Compression ratio:7.8:1
RAC rating:31.54 HP
3300 High compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:3312.8 cc
Number of cylinders:Six
Configuration:Front mounted longitudinal in-line
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single throat Bendix Stromberg BXV-2 downdraught carburettor
Bore and stroke:92.08 mm x 82.55
Displacement:3312.8 cc
Power output (DIN):135 bhp (100.7 kW) at 4400 rpm
Torque (DIN):190 lb/ft (231 Nm) at 2000 rpm
Compression ratio:9.4:1
RAC rating:31.54 HP
4.2 litre Low compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:4146 cc
Number of cylinders:Eight
Configuration:Front mounted longitudinal vee
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single two barrel Bendix Stromberg WW downdraught carburettor
Bore and stroke:92.08 mm x 77.77 mm
Displacement:4146 cc
Power output (DIN):174 bhp (130 kW) at 4400 rpm
Torque (DIN):247 lb/ft (325 Nm) at 2400 rpm
Compression ratio:8.0:1
RAC rating:42.05
4.2 litre High compression
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:4146 cc
Number of cylinders:Eight
Configuration:Front mounted longitudinal vee
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single two barrel Bendix Stromberg WW downdraught carburettor
Bore and stroke:92.08 mm x 77.77 mm
Displacement:4146 cc
Power output (DIN):185 bhp (138 kW) at 4400 rpm
Torque (DIN):262 lb/ft (353.7 Nm) at 2400 rpm
Compression ratio:9.0:1
RAC rating:42.05 HP
5.0 litre
Type:Conventional water cooled four cycle reciprocating piston type
Capacity:5047 cc
Number of cylinders:Eight
Configuration:Front mounted longitudinal vee
Head design:Pushrod and rocker actuated overhead valve and hydraulic valve lifters
Fuel system:Single four barrel Rochester 4MV Quadrajet downdraught carburettor
Bore and stroke:101.66 mm x 77.77 mm
Displacement:5047 cc
Power output (DIN):240 bhp (179.0 kW) at 4800 rpm
Torque (DIN):315 bhp (434 Nm) at 3000 rpm
Compression ratio:9.0:1
RAC rating:51.20 HP
TRANSMISSIONS (WITH RATIOS)
Type:Three speed all synchro manual
1st:3.07:1
2nd:1.68:1
3rd:1.00:1
Reverse:3.59:1
Type:M21 four-speed manual
1st:2.54:1
2nd:1.83:1
3rd:1.38:1
4th:1.00:1
Reverse:2.54:1
Type:Three speed Trimatic automatic
1st:2.48:1
2nd:1.48:1
3rd:1.00:1
Reverse:
Type:Three speed Turbo Hydra-Matic '400' automatic
1st:2.48 :1
2nd:1.48 :1
3rd:1.00 :1
Reverse:
REAR AXLE RATIOS:3.55:1 or 3.08:1
ENGINE/TRANSMISSION COMBINATIONS:Trimatic transmission standard with 3300 engine on LS, not available with GTS. Four speed manual standard on GTS with 4.2 and 5.0, not available on LS. Hydra-Matic standard with 4.2 and 5.0 on LS, optional with 4.2 and 5.0 on GTS
PERFORMANCE WHEN NEW
Model:Monaro GTS Four Door Sedan
Engine:5.0 V8
Final drive:2.78:1
Top speeds in gears - Three speed automatic
1st (2.48:1):70 km/h
2nd (1.48:1):110 km/h
3rd (1.00:1):182 km/h
Elapsed time 0-100 km/h:10.4 seconds
Standing 400 metres:17.9 seconds
CHASSIS/CONSTRUCTION:All steel unitary
CLUTCH:Single dry plate, diaphragm spring type
SUSPENSION:
Front:Independent with coil springs, wishbones and anti-roll bar. Direct acting dampers
Rear (with axle type):Live axle with four link trailing arms and coil springs. Direct acting dampers
STEERING:Recirculating ball
BRAKES:
Front:Power assisted discs
Rear:Power assisted discs
ELECTRICAL:12 volt, 48 amp hour battery, 35 amp alternator
WHEELS:6.00Jx14, 7.00JJx14 optional on GTS)
TYRES:Monaro LS - E78L14. Monaro GTS - ER70H14
INSTRUMENTS/CONTROLS:Monaro LS - Speedo, fuel gauge, water temperature. Monaro GTS - Speedo, tacho, water temperature, oil pressure, ammeter
EXTERIOR DIMENSIONS:
Total length (inches/mm):187.5 inches (4850 mm)
Total width (inches/mm):74.0 inches (1813 mm)
Total height (inches/mm) at kerb weight:Monaro and LS - 53.1 inches (1301 mm). GTS and
Wheelbase (inches/mm):111.0 inches (2719.5 mm)
Front track (inches/mm):Monaro and LS - 60.2 inches (1474.9 mm). GTS and GTS 350 - 60.4 inches (1530 mm)
Rear track (inches/mm):Monaro and LS - 60.2 inches (1474.9 mm). GTS - 60.4 inches (1530 mm)
Kerb weight (lb/kg):Coupe - 1425 kg. Sedan - 1441 kg
Turning circle kerb to kerb (inches/mm):39 ft (11.9 m))
Fuel tank capacity:Coupe - 66 litres. Sedan - 75 litres
Cargo capacity (litres) SAE:
PRICES AT TIME OF INTRODUCTION:Monaro GTS Four Door Sedan - $5138. Automatic transmission - $331
TOTAL NUMBER BUILT:
Total HJ: 154,114
Monaros: 4754 (This probably includes four-door models but GMH figures do not specifically mention them)
ENGINE NUMBERS (FOR IDENTIFICATION):Six cylinder models - Located right side of block above mounting. V8s - Top left of block.
BODY/CHASSIS NUMBERS (FOR IDENTIFICATION):Located right side front of frame. The first four digits are the model number:
8P37 - Monaro LS Coupe
8Q69 - Monaro GTS Sedan
8Q37 - Monaro GTS Coupe
The next letter is the engine identification:
M - QM 202 (low compression 3300 cc)
L - QL 202 (high compression 3300 cc)
S - QS 253 (low compression 4.2 litre)
R - QR 253 (high compression 4.2 litre)
T - QT 308 (high compression 5.0 litre)
The next letter is the model year:
D - 1974
E - 1975
The next two digits is the assembly plant code:
H1-H4 - Brisbane
H5-H9 - Sydney
J1-J9 - Dandenong
L1-L5 - Adelaide
The next five numbers is the vehicle serial number which represents the sequence in which the vehicle was built at the particular plant. The final letter is the series code: J for HJ
OTHER IDENTIFICATION MARKS:Monaro LS - Protruding mesh grille with badge in centre. Dual circular headlights and parklights/indicators on side. Body side protection moulding, black rubber strip on bumper. Chrome headlights surrounds.
Monaro GTS Coupe - As for Monaro LS except single headlight and black bezels, GTS badge in centre of grille, three slot vent in front guard.
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