Toyota1981–1984Technical specifications

Landcruiser 4.2: Technical specifications

Workshop data for the 4.2-litre petrol (engine code 2F). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Summary

Match the engine code (2F) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: Landcruiser
Years: 1981–1984
Fuel: Petrol
Engine code: 2F

Performance & efficiency

Power: 88 kW (120 hp)
Engine size: 4,230 cc
Cylinders: 6 · OHV
Compression ratio: 7.8:1
Fuel system: Aisan

Fluids & capacities

Engine oil (with the filter): 8.0 litres

All 97 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	6/OHV
Capacity (Fiscal) cc	4230 (4197)
Compression ratio :1	7,8
Suitable for unleaded petrol	No
Minimum octane rating RON	91
Ignition system Type	SZ
Ignition system Description	CB
Trigger location	Distributor
Fuel system Make	Aisan
Fuel system Description	Carb-2V
Combined ignition and fuel ECM	No
Diagnostic socket	No

Ignition system

Ignition coil Make	Denso
Ignition coil supply voltage + with ballast V	12,0
Ballast resistance Ohm	1,3-1,5
Primary resistance Ohm	1,3-1,6
Secondary resistance Ohm	10700-14200
Distributor (ECM) Make	Denso
Distributor (ECM) No.	61010/30
Contact breaker gap/trigger air gap mm	0,3
Dwell angle °(%)	39-43

Firing order

The firing order for the Toyota Landcruiser 4.2 (1981–1984) is 1-5-3-6-2-4.

Firing order	1-5-3-6-2-4

Valve clearances

Valve clearances for the Toyota Landcruiser 4.2 (1981–1984) are 0,20 mm inlet and 0,35 mm exhaust, measured hot.

Valve clearance - INLET mm	0,20 hot
Valve clearance - EXHAUST mm	0,35 hot

Engine oil & fluids

Engine oil

The Toyota Landcruiser 4.2 (1981–1984) takes 8.0 litres of engine oil with the filter.

A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SF.

A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

Manual gearbox

The manual gearbox has a listed capacity of 1.7 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 16.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	Moderate climate
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SF
Ambient temperature range	Moderate climate alternative
Engine oil grade SAE	20W-50
Engine with filter(s) litres	8.0
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	1.7
Automatic transmission (drain & refill) litres	3.0
Differential oil grade - rear SAE	90W
Differential rear litres	2.5
Cooling system - total capacity litres	16.5

Service & electrical

Ignition timing

Basic ignition timing for the Toyota Landcruiser 4.2 (1981–1984) is 7° BTDC at 950 rpm.

Ignition timing	With vacuum
Ignition timing - basic BTDC °Engine/rpm	7/950

Battery

The Toyota Landcruiser 4.2 (1981–1984) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).

Battery V/RC(Ah)	12/90 (60)

Spark plugs

The Toyota Landcruiser 4.2 (1981–1984) uses NGK BPR4EY spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BPR4EY
Electrode gap mm	0,8
Spark plugs Make	Bosch
Spark plug Type	WR9DC
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	RN11YCC
Electrode gap mm	0,8
Spark plugs Make	NGK
Spark plug Type	BPR4EY
Electrode gap mm	0,8

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	0-1/900-1000
Ignition advance checks °Engine/rpm	16-20/1800
Ignition advance checks °Engine/rpm	28-32/3200
Vacuum check	Ignition timing advances
Vacuum range °Engine	15-19
Vacuum starts mbar	120
Vacuum ends mbar	400
Idle speed rpm	650±50
Fast idle speed - MT/AT rpm	1800
Oil temperature °C	60-80
CO level at idle speed - tailpipe Vol. % CO	1,5±1,0
HC level at idle speed ppm	300
HC level at idle - alternative ppm	-1982=400
CO2 level at idle speed Vol. % CO2	13-16
O2 level at idle speed Vol. % O2	0,5-2,0

Starting and charging

Starter motor Make	Denso
Starter motor Type	12V 0,8 kW
Maximum cranking amps A	162-198
Alternator Make	Nippon Denso
Alternator Type	50A
Alternator output A/V/rpm	30/14/2000
Regulated voltage V	13,8-14,8

Service checks and adjustments

Compression pressure bar	8,0-10,5
Radiator cap bar	0,75-1,05
Thermostat opens °C	86-90
Drive belt tension - alternator/PAS/AC mm	7-10

Fuel system

Fuel pump delivery pressure bar	0,3

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Landcruiser 4.2 (1981–1984) are tightened in 3 stages: 40 Nm, then 80 Nm, then a final 123 Nm.

Cylinder head
Renew bolts	No
Tighten	40 Nm
Tighten	80 Nm
Tighten	123 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	—
Main bearings
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	30 Nm
Big end bearings Stage 2	59 Nm
Sump bolts	8 Nm
Sump drain bolt	39 Nm
Flywheel/driveplate	72 Nm/-
Clutch pressure plate	19 Nm
Crankshaft pulley/damper centre bolt	196 Nm
Inlet manifold to cylinder head	50 Nm
Exhaust manifold to cylinder head	50 Nm
Chassis tightening torques
Steering wheel	34 Nm
Steering track rod end	91 Nm
Road wheels	105 Nm

Frequently asked questions

What is the firing order of the Toyota Landcruiser 4.2?

The firing order for the Toyota Landcruiser 4.2 (1981–1984) is 1-5-3-6-2-4.

What spark plugs does the Toyota Landcruiser 4.2 use?

The Toyota Landcruiser 4.2 (1981–1984) uses NGK BPR4EY spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota Landcruiser 4.2 take?

The Toyota Landcruiser 4.2 (1981–1984) takes 8.0 litres of engine oil with the filter. A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SF. A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

What are the valve clearances for the Toyota Landcruiser 4.2?

Valve clearances for the Toyota Landcruiser 4.2 (1981–1984) are 0,20 mm inlet and 0,35 mm exhaust, measured hot.

What is the cylinder head torque for the Toyota Landcruiser 4.2?

The cylinder head bolts on the Toyota Landcruiser 4.2 (1981–1984) are tightened in 3 stages: 40 Nm, then 80 Nm, then a final 123 Nm.

What is the ignition timing for the Toyota Landcruiser 4.2?

Basic ignition timing for the Toyota Landcruiser 4.2 (1981–1984) is 7° BTDC at 950 rpm.