Engine & identification
Vehicle identification
| No. of cylinders Type | 4 |
|---|---|
| Capacity (Fiscal) cc | 1570 (1556) |
| Compression ratio :1 | 9,0 |
| Suitable for unleaded petrol | No |
| Minimum octane rating RON | 98/95 |
| Ignition system Make | Bosch |
| Ignition system Type | TSZ-i |
| Ignition system Description | Trans-i |
| Fuel system Make | Weber |
| Fuel system Type | 40 DCOE |
| Fuel system Description | Carb-2V |
Ignition system
| Ignition coil Make | Bosch |
|---|---|
| Ignition coil Type | 0 221 119 008 |
| Ignition coil supply voltage + with ballast V | 11,0 |
| Primary resistance Ohm | 2,9-3,4 |
| Distributor (ECM) Make | Bosch |
| Distributor (ECM) No. | 0 2237 002 018 |
Firing order
The firing order for the Alfa Romeo GT Spider 1.6 (1981–1982) is 1-3-2-4.
| Firing order | 1-3-2-4 |
|---|
Valve clearances
Valve clearances for the Alfa Romeo GT Spider 1.6 (1981–1982) are 0,50 mm inlet and 0,55 mm exhaust, measured cold.
| Valve clearance - INLET mm | 0,50 cold |
|---|---|
| Valve clearance - EXHAUST mm | 0,55 cold |
Engine oil & fluids
Engine oil
The Alfa Romeo GT Spider 1.6 (1981–1982) takes 6.5 litres of engine oil with the filter. The specified engine oil grade is SAE 10W-50 for moderate climates, with API/ACEA classification SF.
Manual gearbox
The manual gearbox has a listed capacity of 2.0 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | Moderate climate |
| Engine oil grade SAE | 10W-50 |
| Engine oil classification API/ACEA | SF |
| Engine with filter(s) litres | 6.5 |
| Other lubricants and capacities | |
| Manual transmission litres | 2.0 |
Service & electrical
Ignition timing
Basic ignition timing for the Alfa Romeo GT Spider 1.6 (1981–1982) is 7° BTDC at 850 rpm.
| Ignition timing | Without vacuum |
|---|---|
| Ignition timing - basic BTDC °Engine/rpm | 7/850 |
Spark plugs
The Alfa Romeo GT Spider 1.6 (1981–1982) uses Lodge 2HL spark plugs with a 0,45 mm electrode gap.
| Spark plugs Original equipment | Lodge |
|---|---|
| Spark plug Type | 2HL |
| Electrode gap mm | 0,45 |
| Spark plugs Make | Bosch |
| Spark plug Type | W7DC |
| Electrode gap mm | 0,6 |
| Spark plugs Make | Champion |
| Spark plug Type | N6YC |
| Electrode gap mm | 0,6 |
| Spark plugs Make | NGK |
| Spark plug Type | B7ES |
| Electrode gap mm | 0,6 |
Tuning and emissions
| Idle speed rpm | 750-950 |
|---|---|
| Oil temperature °C | 60 |
| CO level at idle speed - tailpipe Vol. % CO | 2,0-4,0 |
| HC level at idle speed ppm | 400 |
| CO2 level at idle speed Vol. % CO2 | 13-16 |
| O2 level at idle speed Vol. % O2 | 0,5-2,0 |
Starting and charging
| Battery V/RC(Ah) | /90 (60) |
|---|---|
| Maximum cranking amps A | 162-198 |
| Alternator output A/V/rpm | 45/14/2000 |
| Voltage regulator Type | 0 190 601 006 |
| Regulated voltage V | 13,9-14,8 |
Service checks and adjustments
| Oil pressure bar/rpm | 3,5-5,0 |
|---|---|
| Drive belt size - alternator mm | 9,5x850 |
Fuel system
| Fuel pump delivery pressure bar | 0,4 |
|---|
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Alfa Romeo GT Spider 1.6 (1981–1982) are tightened in 2 stages: 62-64 Nm, then a final 66-67 Nm.
| Cylinder head | |
|---|---|
| Tighten | 62-64 Nm |
| Tighten | 66-67 Nm |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Stage 1 | 16-17 Nm |
| Main bearings Stage 2 | 32-35 Nm |
| Big end bearings Stage 1 | 17-18 Nm |
| Big end bearings Stage 2 | 34-36 Nm |
| Flywheel/driveplate | 42-45 Nm |
| Spark plugs | 26-35 Nm |
| Chassis tightening torques | |
| Road wheels | 60-80 Nm |
Frequently asked questions
What is the firing order of the Alfa Romeo GT Spider 1.6?
The firing order for the Alfa Romeo GT Spider 1.6 (1981–1982) is 1-3-2-4.
What spark plugs does the Alfa Romeo GT Spider 1.6 use?
The Alfa Romeo GT Spider 1.6 (1981–1982) uses Lodge 2HL spark plugs with a 0,45 mm electrode gap.
How much oil does the Alfa Romeo GT Spider 1.6 take?
The Alfa Romeo GT Spider 1.6 (1981–1982) takes 6.5 litres of engine oil with the filter. The specified engine oil grade is SAE 10W-50 for moderate climates, with API/ACEA classification SF.
What are the valve clearances for the Alfa Romeo GT Spider 1.6?
Valve clearances for the Alfa Romeo GT Spider 1.6 (1981–1982) are 0,50 mm inlet and 0,55 mm exhaust, measured cold.
What is the cylinder head torque for the Alfa Romeo GT Spider 1.6?
The cylinder head bolts on the Alfa Romeo GT Spider 1.6 (1981–1982) are tightened in 2 stages: 62-64 Nm, then a final 66-67 Nm.
What is the ignition timing for the Alfa Romeo GT Spider 1.6?
Basic ignition timing for the Alfa Romeo GT Spider 1.6 (1981–1982) is 7° BTDC at 850 rpm.