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  Holden HJ Monaro

HJ Monaro 1974
 Specifications
DATE OF INTRODUCTION
October 1974

NUMBER BUILT
Monaros 4754

MODEL LINE-UP
Monaro GTS Sedan
Monaro Coupe
Monaro LS Coupe
Monaro GTS Coupe

ENGINES SPECIFICATIONS
3300 LC (Low compression)
Capacity 202 ci (3312.8 cc)
OHV six cylinder inline, front engined, rear wheel drive
Single throat Bendix Stromberg BXV-2 downdraught carburettor
Bore and stroke 92.08 mm x 82.55 mm
Power output (DIN):96.2 kW at 4400 rpm
Torque (DIN):231 Nm at 2000 rpm
Compression ratio:7.8:1

3300 HC (High compression)
Capacity 202 ci (3312.8 cc)
OHV six cylinder inline, front engined, rear wheel drive
Single throat Bendix Stromberg BXV-2 downdraught carburettor
Bore and stroke 92.08 mm x 82.55 mm
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

4.2 litre LC (Low compression)
Capacity 253 ci (4146 cc)
OHV V8, rear wheel drive, rear wheel drive
Single two barrel Bendix Stromberg WW downdraught carburettor
Bore and stroke:92.08 mm x 77.77 mm
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

4.2 litre HC (High compression)
Capacity 253 ci (4146 cc)
OHV V8, rear wheel drive, rear wheel drive
Single two barrel Bendix Stromberg WW downdraught carburettor
Bore and stroke 92.08 mm x 77.77 mm
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

5.0 litre
Capacity 308 ci (5047 cc)
OHV V8, rear wheel drive, rear wheel drive
Single four barrel Rochester 4MV Quadrajet downdraught carburettor
Bore and stroke 101.66 mm x 77.77 mm
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

TRANSMISSIONS
Three speed all synchro manual
1st:3.07:1
2nd:1.68:1
3rd:1.00:1
Reverse:3.59:1

M21 four-speed manual
Standard with GTS 4.2 and 5.0, not available in LS.
1st:2.54:1
2nd:1.83:1
3rd:1.38:1
4th:1.00:1
Reverse:2.54:1

Three speed Trimatic automatic
Standard with 3300 LS, not available with GTS
1st:2.48:1
2nd:1.48:1
3rd:1.00:1
Reverse:2.48:1

Three speed Turbo Hydra-Matic '400' automatic
Standard with 4.2 and 5.0 in LS, optional with 4.2 and 5.0 on GTS
1st:2.48 :1
2nd:1.48 :1
3rd:1.00 :1
Reverse:2.48:1

REAR AXLE RATIOS
3.55:1
3.08:1
2.78:1

BRAKES
Front:Power assisted discs
Rear:Power assisted discs

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)
Kerb weight (lb/kg):Coupe - 1425 kg. Sedan - 1441 kg

TURNING CIRCLE
39 ft (11.9 m))

FUEL TANK CAPACITY
Coupe - 66 litres
Sedan - 75 litres

ENGINE NUMBERS
Six cylinder - Located right side of block above mounting.
V8s - Top left of block.

BODY/CHASSIS NUMBERS
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
F - 1976
G - 1977
H - 1978
J - 1979
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

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.

Monaro GTS Sedan - As for Coupe.