Acura NSX 1990-2005 3.0L Engine Engine Specifications
Acura NSX 1990-2005

Acura NSX 1990-2005 3.0L Engine Specifications

Detailed technical specifications and service information for the 3.0L C30A and C32B engines in the 1990-2005 Acura NSX. Includes performance metrics, torque values, valve timing, fuel and ignition system details, and maintenance guidelines.

Updated

Engine Specifications Overview Specifications

This document provides a comprehensive overview of the 3.0L engine specifications for the 1990-2005 Acura NSX. It includes detailed technical information, performance metrics, and maintenance guidelines. Use this guide to understand the engine's capabilities, design, and operational parameters. Navigate through the sections to find specific information or use the search functionality to quickly locate key details.

How to Use

To search for specific information, use the search bar at the top of the document. Enter keywords related to the section or specification you are looking for. Results will highlight relevant sections and subsections.

Navigate through the document by scrolling or using the table of contents. Each major section is divided into subsections with detailed technical points. Use the quick reference section for fast access to key specifications.

Key Specifications

Displacement

3.0L (2997 cc)

Horsepower

270 HP @ 6600 rpm

Torque

210 lb-ft @ 5300 rpm

Redline

8000 rpm

Drivetrain

Rear-wheel drive (RWD)

Available Specifications

Engine Design

The 3.0L V6 engine in the Acura NSX features a lightweight aluminum alloy construction with a dual overhead camshaft design. This section details the engine's architecture, materials, and key design elements.

Engine Type and Layout
  • 3.0L V6 engine (C30A)
  • Aluminum alloy block and cylinder heads
  • Dual overhead camshafts (DOHC)
  • 4 valves per cylinder
  • Variable Valve Timing and Lift Electronic Control (VTEC)
Displacement and Compression
  • Displacement: 3.0 liters (2997 cc)
  • Bore x Stroke: 90mm x 84mm
  • Compression ratio: 10.2:1
  • Fuel type: Premium unleaded gasoline

Performance

The 3.0L engine delivers exceptional performance with a balance of power and efficiency. This section outlines the engine's horsepower, torque, and redline specifications.

Power and Torque
  • Horsepower: 270 HP @ 6600 rpm
  • Torque: 210 lb-ft @ 5300 rpm
  • Redline: 8000 rpm
  • Fuel injection system: Multi-point fuel injection
Drivetrain and Transmission
  • Rear-wheel drive (RWD)
  • 5-speed manual transmission
  • Optional automatic transmission (4-speed)
  • Limited-slip differential

Technical Specifications

This section provides detailed technical specifications for the 3.0L engine, including dimensions, lubrication, and cooling systems.

Engine Dimensions and Weight
  • Length: 495mm
  • Width: 735mm
  • Height: 680mm
  • Dry weight: 259 lbs (117 kg)
Lubrication and Cooling
  • Lubrication system: Wet sump
  • Oil capacity: 4.5 quarts (4.3 liters)
  • Cooling system: Water-cooled
  • Coolant capacity: 2.4 gallons (9 liters)

Maintenance

Proper maintenance is essential to ensure the longevity and performance of the 3.0L engine. This section includes recommended service intervals and procedures.

Service Intervals
  • Oil change interval: Every 5,000 to 7,500 miles
  • Timing belt replacement: Every 90,000 miles
  • Spark plug replacement: Every 30,000 miles
  • Coolant flush interval: Every 30,000 miles
Fluid Capacities
  • Engine oil: 4.5 quarts (4.3 liters)
  • Transmission fluid: 2 quarts (1.9 liters)
  • Differential fluid: 1.5 quarts (1.4 liters)
  • Brake fluid: 0.5 quarts (0.5 liters)

Engine Specifications

Overview

Type
V6
Configuration
DOHC (Dual Overhead Camshaft)
Platform
C30
Material
Aluminum Alloy
Location
Mid-mounted, Transverse

Dimensions

Displacement
3.0L (2977 cc)
Bore X Stroke
90mm x 78mm
Length
28.0 in (711 mm)
Width
24.0 in (610 mm)
Height
26.0 in (660 mm)
Dry Weight
340 lbs (154 kg)
Fuel Capacity
18.5 gallons (70 liters)

Materials

Engine Block
Aluminum Alloy
Cylinder Head
Aluminum Alloy
Crankshaft
Forged Steel
Camshaft
Solid Billet Steel
Valves
Titanium

Features

Fuel System
  • Programmed Fuel Injection (PGM-FI)
Cooling System
  • Water-cooled with Aluminum Radiator
Exhaust System
  • Stainless Steel Exhaust Manifold
Accessories
  • Belt-driven Water Pump
  • Alternator
  • Power Steering Pump
Engine Management
  • Honda ECU with Knock Sensors
  • Electronic Ignition
Emissions
  • Catalytic Converter
  • Secondary Air Injection

Safety Features

Anti-Theft
  • Immobilizer System
Traction Control
  • Limited Slip Differential
Mounts
  • Energy-Absorbing Engine Mounts

Comfort Features

Seats
  • Sport Bucket Seats
interior
  • Leather Trim
Climate Control
  • Automatic Climate Control
Convenience
  • Power Windows
  • Power Locks
Audio
  • Premium Audio System with Amplifier

Accessories

Performance
  • Carbon Fiber Air Intake System
  • Lightweight Pulley Set
Appearance
  • Engine Cover Dress-Up Kit
Maintenance
  • High-Performance Spark Plug Wires

Maintenance

Service interval
Every 5,000 miles (8,000 km) or 6 months
Service Items
  • Oil and Filter Change
  • Tire Pressure Check
  • Brake Pad Inspection
  • Belt Inspection
  • Fluid Level Check
Notes
Follow recommended maintenance schedule for optimal performance and longevity.

Warranty

Basic
Miles: 36,000 miles
Years: 3 years
Coverage: Bumper-to-Bumper
Powertrain
Miles: 60,000 miles
Years: 5 years
Coverage: Drivetrain Components
Corrosion
Miles: 60,000 miles
Years: 5 years
Coverage: Perforation
Emissions
Miles: 80,000 miles
Years: 8 years
Coverage: Emissions Control Devices

Production Details

Manufacturer
Honda Motor Co., Ltd.
Manufacturing Process
  • Cylinder Block Casting
  • Cylinder Head Machining
  • Crankshaft Forging
  • Engine Assembly
Quality Control
inspection: Each engine undergoes rigorous testing before installation
Certification: Meets or exceeds OEM specifications
Sustainability
Recyclable materials used in engine construction
Production Metrics
Units Produced: Over 25,000 units
Production Years: 1990-2005
Regions: Japan, North America, Europe

Service Information for 3.0l engine Service

Maintenance and service requirements specific to this component

5,000 miles
6 months
  • Oil and filter change
  • Tire pressure check
  • Brake pad inspection
  • Drive belt inspection
  • Fluid level check

Essential routine maintenance to ensure optimal performance.

30,000 miles
24 months
  • Air filter replacement
  • Fuel filter replacement
  • Spark plug replacement
  • Hoses and belts inspection
  • Suspension and steering inspection

Intermediate service with component replacements and inspections.

60,000 miles
48 months
  • Timing belt replacement
  • Water pump replacement
  • Drive belt replacement
  • Engine mounts inspection
  • Fuel system cleaning

Major service requiring critical component replacements.

Common Questions

Find answers to common questions about torque specifications

Q1

What is the horsepower and torque output of the 3.0L engine in the 1990-2005 Acura NSX?

The 3.0L C30A engine in the 1990-2005 Acura NSX produces 270 horsepower at 7,100 rpm and 210 lb-ft of torque at 5,300 rpm. This engine features a DOHC VTEC (Variable Valve Timing and Lift Electronic Control) system, which optimizes performance across the rev range.

Q2

What type of oil and oil capacity does the 3.0L engine require?

The 3.0L engine requires 5W-30 synthetic oil with a total oil capacity of 5.5 quarts (including the oil filter). Regular oil changes every 5,000 miles or 6 months are recommended to maintain engine performance and longevity.

Q3

What is the recommended spark plug type and gap for the 3.0L engine?

The recommended spark plug for the 3.0L engine is NGK PFR6G-11 or equivalent. The spark plug gap should be set to 1.1 mm (0.043 in). Proper spark plug maintenance is critical for optimal engine performance and fuel efficiency.

Q4

What is the compression ratio of the 3.0L engine?

The 3.0L C30A engine has a compression ratio of 10.2:1. This high compression ratio contributes to the engine's efficiency and power output, but it also requires the use of premium unleaded fuel (91 octane or higher).

Q5

How often should the timing belt be replaced on the 3.0L engine?

The timing belt on the 3.0L engine should be replaced every 90,000 miles or 7 years, whichever comes first. Failure to replace the timing belt can result in catastrophic engine damage due to interference design.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Acura NSX 3.0L Engine Service Manual

Coming Soon

Official service manual for the 3.0L C30A engine, covering maintenance, repair procedures, and technical specifications.

Timing Belt Replacement Guide for 3.0L Engine

Coming Soon

Step-by-step guide for replacing the timing belt on the 3.0L engine, including tools required and safety precautions.

VTEC System Overview and Maintenance

Coming Soon

Detailed explanation of the VTEC system in the 3.0L engine, including maintenance tips and troubleshooting common issues.

Performance Upgrades for the 3.0L Engine

Coming Soon

Guide to aftermarket performance upgrades compatible with the 3.0L engine, including intake, exhaust, and ECU tuning options.

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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