Engine & identification
Vehicle identification
| No. of cylinders Type | 6/DOHC |
|---|---|
| Capacity (Fiscal) cc | 3179 |
| Compression ratio :1 | 10,2 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Honda |
| Ignition system Type | PGM-FI |
| Ignition system Description | Map-DI |
| Trigger location | Cam |
| Fuel system Make | Honda |
| Fuel system Type | PGM-FI |
| Fuel system Description | MFI-s |
| Air metering Type | MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil supply voltage + with ballast V | 12,0 |
|---|
Firing order
The firing order for the Honda NSX 3.2 (1997–2005) is 1-5-3-6-4-2.
| Firing order | 1-5-3-6-4-2 |
|---|
Valve clearances
Valve clearances for the Honda NSX 3.2 (1997–2005) are 0,15-0,19 mm inlet and 0,17-0,21 mm exhaust, measured cold.
| Valve clearance - INLET mm | 0,15-0,19 cold |
|---|---|
| Valve clearance - EXHAUST mm | 0,17-0,21 cold |
Engine oil & fluids
Engine oil
The Honda NSX 3.2 (1997–2005) takes 5.0 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Manual gearbox
The manual gearbox has a listed capacity of 2.6-2.9 litres. The specified oil is SAE 10W-40, with classification SG.
Coolant
The listed total cooling-system capacity is 12.0 litres.
Grades, filling conditions and capacities
| Preferred engine oil | |
|---|---|
| Ambient temperature range | -20°C➞40°C |
| Engine oil grade SAE | 10W-30 |
| Engine oil classification API/ACEA | SJ/A1, A3, A5 |
| Engine oil options | |
| Ambient temperature range | -20°C➞35°C |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SJ/A1, A3, A5 |
| Engine with filter(s) litres | 5.0 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 10W-40 |
| Manual transmission oil classification | SG |
| Manual transmission litres | 2.6-2.9 |
| Automatic transmission fluid Type | Dexron II |
| Automatic transmission (drain & refill) litres | 2.9 |
| Automatic transmission (dry fill) litres | 7.0 |
| Cooling system - total capacity litres | 12.0 |
| Brake fluid Type | DOT 3/4 |
| Clutch fluid Type | DOT 3/4 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Honda NSX 3.2 (1997–2005) are replaced at a minimum thickness of 26 mm (ventilated) front and 19 mm (ventilated) rear.
| Minimum disc thickness for replacement - ventilated Front | 26 mm |
|---|---|
| Minimum disc thickness for replacement - ventilated Rear | 19 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,10 mm |
|---|---|
| Disc runout Rear | 0,10 mm |
| Minimum pad thickness Front | 1,6 mm |
| Minimum pad thickness Rear | 1,6 mm |
| Parking brake travel No. of notches | 10-14 |
Service & electrical
Ignition timing
Basic ignition timing for the Honda NSX 3.2 (1997–2005) is 15°±2° BTDC at 800 rpm.
| 1995→ | |
|---|---|
| Ignition timing - basic BTDC °Engine/rpm | 15±2/800 |
Tuning and emissions
| Tuning conditions | — |
|---|---|
| View more information | — |
| 1995→ | |
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 800±50 |
| Idle speed - alternative rpm | AT=780±50 |
| Oil temperature °C | 80 |
| CO level at idle speed - tailpipe Vol. % CO | 0,5 Max Not adjustable |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16,0 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
| Increased idle speed for CO test rpm | 2250-2750 |
| CO content at increased idle speed Vol. % | 0,3 |
Service checks and adjustments
| Compression pressure bar | 10,0-17,5 |
|---|---|
| Oil pressure bar/rpm | 3,5 Min/3000 |
| Radiator cap bar | 0,93-1,23 |
| Thermostat opens °C | 76-80 |
Fuel system
| System pressure bar | 3,3-3,7 |
|---|---|
| Regulated pressure with vacuum bar | 2,5-3,1 |
Spark plugs
| Spark plugs Original equipment | Denso |
|---|---|
| Spark plug Type | PK20PR-L11 |
| Electrode gap mm | 1,1-1,3 |
| Spark plugs Make | NGK |
| Spark plug Type | PFR6G-11 |
| Electrode gap mm | 1,1-1,3 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Honda NSX 3.2 (1997–2005) are tightened in 2 stages: 39 Nm, then a final 78 Nm.
| Cylinder head | |
|---|---|
| Renew bolts | No |
| Tighten | 39 Nm |
| Tighten | 78 Nm |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | — |
| Main bearings | |
| Big end bearings Renew bolts/nuts | No |
| Big end bearings Stage 1 | 20 Nm |
| Big end bearings Stage 2 | 95° |
| Sump drain bolt | 44 Nm |
| Flywheel/driveplate | — |
| Flywheel/drive plate | |
| Clutch pressure plate | 26 Nm |
| Crankshaft pulley/damper centre bolt | — |
| Crankshaft pulley | |
| Camshaft sprocket/gear | 70 Nm |
| Camshaft carrier/cap | — |
| Camshaft carrier caps | |
| Camshaft/rocker cover | 10 Nm |
| Spark plugs | 18 Nm |
| Lambda sensor (Oxygen) | 45 Nm |
| Oil filter | 22 Nm |
| Chassis tightening torques | |
| Front hub | — |
| Front/rear hub | |
| Front hub - wheel bearing housing bolts | 65 Nm |
| Rear hub | — |
| Front/rear hub | |
| Rear hub - wheel bearing housing bolts | 65 Nm |
| Steering track rod end | 45 Nm |
| Brake caliper to carrier Front | 50 Nm |
| Brake caliper/carrier to hub Front | 110 Nm |
| Brake caliper to carrier Rear | 50 Nm |
| Brake caliper/carrier to hub Rear | 110 Nm |
| ABS sensor Front | 22 Nm |
| ABS sensor Rear | 22 Nm |
| Road wheels | 110 Nm |
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Compressor clutch/magnetic coupling | No |
| Compressor variable displacement solenoid | Yes |
| Air conditioning refrigerant Type | R134a |
| Air conditioning refrigerant quantity grams | 825±25 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | Dens Oil 8 |
| Air conditioning oil quantity cm³ | 160 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the firing order of the Honda NSX 3.2?
The firing order for the Honda NSX 3.2 (1997–2005) is 1-5-3-6-4-2.
How much oil does the Honda NSX 3.2 take?
The Honda NSX 3.2 (1997–2005) takes 5.0 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.
What are the valve clearances for the Honda NSX 3.2?
Valve clearances for the Honda NSX 3.2 (1997–2005) are 0,15-0,19 mm inlet and 0,17-0,21 mm exhaust, measured cold.
What is the cylinder head torque for the Honda NSX 3.2?
The cylinder head bolts on the Honda NSX 3.2 (1997–2005) are tightened in 2 stages: 39 Nm, then a final 78 Nm.
What is the ignition timing for the Honda NSX 3.2?
Basic ignition timing for the Honda NSX 3.2 (1997–2005) is 15°±2° BTDC at 800 rpm.
What is the minimum brake disc thickness for the Honda NSX 3.2?
Brake discs on the Honda NSX 3.2 (1997–2005) are replaced at a minimum thickness of 26 mm (ventilated) front and 19 mm (ventilated) rear.