Mazda1977–1981Technical specifications

1000 1300 1.0: Technical specifications

Workshop data for the 1-litre petrol (engine code PC1000). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Summary

Match the engine code (PC1000) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: 1000 1300
Years: 1977–1981
Fuel: Petrol
Engine code: PC1000

Performance & efficiency

Power: 33 kW (45 hp)
Engine size: 985 cc
Cylinders: 4 · OHC
Compression ratio: 8.8:1

Fluids & capacities

Engine oil (with the filter): 3.0 litres

All 73 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	985 (978)
Compression ratio :1	8,8
Suitable for unleaded petrol	No
Minimum octane rating RON	91
Ignition system Type	SZ
Ignition system Description	CB

Ignition system

Ballast resistance Ohm	1,5
Primary resistance Ohm	1,6
Distributor (ECM) Make	Mitsubishi
Contact breaker gap/trigger air gap mm	0,5
Dwell angle °(%)	49-55 (54-61)

Firing order

The firing order for the Mazda 1000 1300 1.0 (1977–1981) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Mazda 1000 1300 1.0 (1977–1981) are 0,25 mm inlet and 0,30 mm exhaust, measured hot.

Valve clearance - INLET mm	0,25 hot
Valve clearance - EXHAUST mm	0,30 hot

Engine oil & fluids

Engine oil

The Mazda 1000 1300 1.0 (1977–1981) takes 3.0 litres of engine oil with the filter. The specified engine oil grade is SAE 10W-40 for moderate climates, with API/ACEA classification SG.

Manual gearbox

The manual gearbox has a listed capacity of 1.3 litres.

Coolant

The listed total cooling-system capacity is 5.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	Moderate climate
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	SG
Engine with filter(s) litres	3.0
Other lubricants and capacities
Manual transmission litres	1.3
Automatic transmission (drain & refill) litres	5.5
Differential rear litres	1.0
Cooling system - total capacity litres	5.5

Service & electrical

Ignition timing

Basic ignition timing for the Mazda 1000 1300 1.0 (1977–1981) is 11°±1° BTDC at 600 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	11±1/600

Battery

The Mazda 1000 1300 1.0 (1977–1981) uses a 12 V, 45 Ah battery (reserve capacity 65 minutes).

Battery V/RC(Ah)	12/65 (45)

Spark plugs

The Mazda 1000 1300 1.0 (1977–1981) uses NGK BPR6ES spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BPR6ES
Electrode gap mm	0,8
Spark plugs Make	Bosch
Spark plug Type	WR8DC
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	BPR6ES
Electrode gap mm	0,8

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	4-6/1500
Ignition advance checks °Engine/rpm	15-18/2500
Ignition advance checks °Engine/rpm	26-30/4500
Vacuum check	Ignition timing advances
Vacuum range °Engine	10-12
Vacuum starts mbar	160
Vacuum ends mbar	480
Idle speed rpm	600-650
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	1,5-2,5
HC level at idle speed ppm	400
HC level at idle - alternative ppm	-1980=500

Starting and charging

Starter motor Make	Mitsubishi
Starter motor Type	0,8 kW
Minimum starting voltage V	8
Maximum cranking amps A	119-145
Alternator Make	Mitsubishi
Alternator output A/V/rpm	45/14/2500
Regulated voltage V	14,0-15,0

Service checks and adjustments

Compression pressure bar	10,0-11,0
Oil pressure bar/rpm	3,5-4,5
Radiator cap bar	0,90
Thermostat opens °C	80-95
Drive belt size - alternator mm	9,5x875
Drive belt tension - alternator/PAS/AC mm	11-13

Fuel system

Fuel pump delivery pressure bar	0,1-0,15

Tightening torques

Cylinder head bolt torque

The cylinder head bolt torque for the Mazda 1000 1300 1.0 (1977–1981) is 70-75 Nm.

Cylinder head
Tighten	70-75 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Stage 1	30-32 Nm
Main bearings Stage 2	60-65 Nm
Big end bearings Stage 1	15-17 Nm
Big end bearings Stage 2	30-35 Nm
Flywheel/driveplate	80-90 Nm
Spark plugs	15-21 Nm
Chassis tightening torques
Road wheels	90 Nm

Frequently asked questions

What is the firing order of the Mazda 1000 1300 1.0?

The firing order for the Mazda 1000 1300 1.0 (1977–1981) is 1-3-4-2.

What spark plugs does the Mazda 1000 1300 1.0 use?

The Mazda 1000 1300 1.0 (1977–1981) uses NGK BPR6ES spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda 1000 1300 1.0 take?

The Mazda 1000 1300 1.0 (1977–1981) takes 3.0 litres of engine oil with the filter. The specified engine oil grade is SAE 10W-40 for moderate climates, with API/ACEA classification SG.

What are the valve clearances for the Mazda 1000 1300 1.0?

Valve clearances for the Mazda 1000 1300 1.0 (1977–1981) are 0,25 mm inlet and 0,30 mm exhaust, measured hot.

What is the cylinder head torque for the Mazda 1000 1300 1.0?

The cylinder head bolt torque for the Mazda 1000 1300 1.0 (1977–1981) is 70-75 Nm.

What is the ignition timing for the Mazda 1000 1300 1.0?

Basic ignition timing for the Mazda 1000 1300 1.0 (1977–1981) is 11°±1° BTDC at 600 rpm.