Toyota1986–1993Technical specifications

Supra 3.0: Technical specifications

Workshop data for the 3-litre petrol (engine code 7M-GE). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (7M-GE) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Toyota
Model
Supra
Years
1986–1993
Fuel
Petrol
Engine code
7M-GE

Performance & efficiency

Power
150 kW (204 hp)
Engine size
2,954 cc
Cylinders
6 · DOHC
Compression ratio
9.2:1
Fuel system
Toyota

Fluids & capacities

Engine oil (with the filter)
4.4 litres
All 132 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type6/DOHC
Capacity (Fiscal) cc2954 (2933)
Compression ratio :19,2
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system TypeESA
Ignition system DescriptionMap-i
Trigger locationDistributor
Fuel system MakeToyota
Fuel system TypeTCCS
Fuel system DescriptionMFI-i
Air metering TypeFlow
Combined ignition and fuel ECMYes
Diagnostic socketYes

Ignition system

Ignition coil MakeBosch
Ignition coil supply voltage + with ballast V12,0
Primary resistance Ohm0,24-0,30
Secondary resistance Ohm9200-12400
Distributor (ECM) MakeDenso
Contact breaker gap/trigger air gap mm0,2-0,4

Firing order

The firing order for the Toyota Supra 3.0 (1986–1993) is 1-5-3-6-2-4.

Firing order1-5-3-6-2-4

Valve clearances

Valve clearances for the Toyota Supra 3.0 (1986–1993) are 0,15-0,25 mm inlet and 0,20-0,30 mm exhaust, measured cold.

Valve clearance - INLET mm0,15-0,25 cold
Valve clearance - EXHAUST mm0,20-0,30 cold

Engine oil & fluids

Engine oil

The Toyota Supra 3.0 (1986–1993) takes 4.4 litres of engine oil with the filter.

A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification SG/A2.

A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SG/A2.

A listed engine oil option is SAE 10W-40 as an alternative for moderate climates, with API/ACEA classification SG/A2.

A listed engine oil option is SAE 20W-50 for hot climates, with API/ACEA classification SG/A2.

Manual gearbox

The manual gearbox has a listed capacity of 2.4 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 8.1 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range Cold climate
Engine oil grade SAE 5W-30
Engine oil classification API/ACEA SG/A2
Ambient temperature range Moderate climate
Engine oil grade SAE 10W-30
Engine oil classification API/ACEA SG/A2
Ambient temperature range Moderate climate alternative
Engine oil grade SAE 10W-40
Engine oil classification API/ACEA SG/A2
Ambient temperature range Hot climate
Engine oil grade SAE 20W-50
Engine oil classification API/ACEA SG/A2
Engine with filter(s) litres 4.4
Other lubricants and capacities
Manual transmission oil grade SAE 75W-90
Manual transmission litres 2.4
Automatic transmission fluid Type Dexron II
Automatic transmission (drain & refill) litres 1.6
Automatic transmission (dry fill) litres 7.2
Differential oil grade - rear SAE 90W
Differential rear litres 1.3
Cooling system - total capacity litres 8.1
Brake fluid Type DOT 3
Power steering fluid Type Dexron II
Power steering fluid litres 1.0

Brakes & wear limits

Brake disc thickness

Brake discs on the Toyota Supra 3.0 (1986–1993) are replaced at a minimum thickness of 21 mm (ventilated) front and 17 mm rear.

Minimum disc thickness for replacement - ventilated Front21 mm
Minimum disc thickness
Minimum disc thickness for replacement Rear17 mm
Maximum drum diameter for replacement Rear191 mm

Brake disc and drum dimensions

Minimum disc thickness
Disc runout Front0,13 mm
Disc runout Rear0,13 mm
Minimum pad thickness Front1 mm
Minimum pad thickness Rear1 mm
Parking brake travel No. of notches5-8

Service & electrical

Ignition timing

Basic ignition timing for the Toyota Supra 3.0 (1986–1993) is 10° BTDC at 800 rpm.

Ignition timing - basic BTDC °Engine/rpm10/800

Battery

The Toyota Supra 3.0 (1986–1993) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).

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

Spark plugs

The Toyota Supra 3.0 (1986–1993) uses NGK BCPR6EY spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipmentNGK
Spark plug TypeBCPR6EY
Electrode gap mm0,8
Spark plugs MakeBosch
Spark plug TypeFR7DP1X
Electrode gap mm1,1
Spark plugs MakeChampion
Spark plug TypeRC12YC5
Electrode gap mm1,3
Spark plugs MakeNGK
Spark plug TypeBCPR6EY
Electrode gap mm0,8

Tuning and emissions

Ignition advance checks °Engine/rpmECM Controlled
Idle speed rpm800±50 Not adjustable
Oil temperature °C80
CO level at idle speed - tailpipe (Cat) Vol. % CO0,5 Max Not adjustable
HC level at idle speed ppm100
CO2 level at idle speed Vol. % CO214,5-16
O2 level at idle speed Vol. % O20,1-0,5
Increased idle speed for CO test rpm2400-2600
CO content at increased idle speed Vol. %0,3
Lambda at increased idle λ0,98-1,02

Starting and charging

Starter motor MakeDenso
Starter motor Type1,0/1,4 kW
Maximum cranking amps A162-198
Alternator MakeNippon Denso
Alternator Type70A
Alternator output A/V/rpm30/14/2000
Regulated voltage V13,9-15,1

Service checks and adjustments

Compression pressure bar11,0
Oil pressure bar/rpm2,5-5,0/3000
Drive belt size - alternator mmPV5x1000
Drive belt size - PAS/AC mmPVx863/925
Drive belt size - AC mmPV4x924

Fuel system

System pressure bar2,7-3,1
Regulated pressure with vacuum bar2,3-2,6
Engine coolant temperature (ECT) sensor Ohm/°C200-400/80
Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm140-220
Injector Ohm13,8
Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm10,0-30,0
Lambda sensor (Oxygen) heater Ohm5,1-6,3

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Supra 3.0 (1986–1993) are tightened in 4 stages: 20 Nm, then 40 Nm, then 60 Nm, then a final 78 Nm.

Cylinder head
Renew boltsNo
Tighten20 Nm
Tighten40 Nm
Tighten60 Nm
Tighten78 Nm
Cylinder head instructions—
Other engine tightening torques
Main bearings Renew bolts/nutsNo
Main bearings Stage 150 Nm
Main bearings Stage 2102 Nm
Big end bearings Renew bolts/nutsNo
Big end bearings Stage 132 Nm
Big end bearings Stage 264 Nm
Oil pump to cylinder block22 Nm
Sump bolts13 Nm
Sump drain bolt34 Nm
Flywheel/driveplate74 Nm/74 Nm
Clutch pressure plate19 Nm
Crankshaft pulley/damper centre bolt195-265 Nm
Camshaft sprocket/gear49 Nm
Camshaft carrier/cap20 Nm
Camshaft/rocker cover2-3 Nm
Inlet manifold to cylinder head18 Nm
Exhaust manifold to cylinder head39 Nm
Spark plugs18 Nm
Lambda sensor (Oxygen)40 Nm
Chassis tightening torques
Front hub199 Nm
Rear hub213 Nm
Steering track rod end49 Nm
Brake caliper to carrier Front36 Nm
Brake caliper/carrier to hub Front104 Nm
Brake caliper to carrier Rear20 Nm
Brake caliper/carrier to hub Rear47 Nm
Road wheels90-120 Nm

Air conditioning

Air conditioning refrigerant TypeR12
Air conditioning refrigerant quantity grams800±50

Frequently asked questions

What is the firing order of the Toyota Supra 3.0?

The firing order for the Toyota Supra 3.0 (1986–1993) is 1-5-3-6-2-4.

What spark plugs does the Toyota Supra 3.0 use?

The Toyota Supra 3.0 (1986–1993) uses NGK BCPR6EY spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota Supra 3.0 take?

The Toyota Supra 3.0 (1986–1993) takes 4.4 litres of engine oil with the filter. A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification SG/A2. A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SG/A2. A listed engine oil option is SAE 10W-40 as an alternative for moderate climates, with API/ACEA classification SG/A2. A listed engine oil option is SAE 20W-50 for hot climates, with API/ACEA classification SG/A2.

What are the valve clearances for the Toyota Supra 3.0?

Valve clearances for the Toyota Supra 3.0 (1986–1993) are 0,15-0,25 mm inlet and 0,20-0,30 mm exhaust, measured cold.

What is the cylinder head torque for the Toyota Supra 3.0?

The cylinder head bolts on the Toyota Supra 3.0 (1986–1993) are tightened in 4 stages: 20 Nm, then 40 Nm, then 60 Nm, then a final 78 Nm.

What is the ignition timing for the Toyota Supra 3.0?

Basic ignition timing for the Toyota Supra 3.0 (1986–1993) is 10° BTDC at 800 rpm.

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