Acura Integra 1989-1993 1.8L Engine Specifications
Detailed technical specifications and service information for the 1.8L inline-4 engine in the 1989-1993 Acura Integra. Includes performance metrics, torque values, fluid capacities, and maintenance guidelines.
1989-1993 Acura Integra 1.8L Engine Specifications Specifications
This document provides detailed specifications and technical information for the 1.8L engine used in the 1989-1993 Acura Integra. It is designed to assist mechanics, enthusiasts, and researchers in understanding the engine's capabilities, maintenance requirements, and performance characteristics. Use the sections below to navigate through key areas such as engine overview, performance, dimensions, cooling system, and fuel system. Each section is divided into subsections with detailed technical points for easy reference.
How to Use
To find specific information, use the search functionality by typing keywords related to the engine, such as 'horsepower,' 'torque,' or 'oil capacity.' This will help you quickly locate relevant details within the document.
Navigate through the document by selecting sections from the table of contents. Each section is organized into subsections with summarized titles and detailed bullet points. Use the quick reference section for key specifications at a glance.
Key Specifications
Displacement
1.8L (1,834 cc)
Horsepower
130 HP @ 6,600 rpm
Torque
127 lb-ft @ 5,500 rpm
Compression Ratio
9.2:1
Fuel Type
Premium Unleaded (91 octane)
Available Specifications
Engine Overview
This section provides general information about the 1.8L engine, including its type, configuration, and basic specifications. It serves as a foundational overview for understanding the engine's design and capabilities.
Engine Overview
This section provides general information about the 1.8L engine, including its type, configuration, and basic specifications. It serves as a foundational overview for understanding the engine's design and capabilities.
Engine Type and Configuration
- 1.8L inline-4 cylinder engine
- DOHC (Dual Overhead Camshaft) design
- 16-valve configuration
- Aluminum alloy block and cylinder head
- Bore x Stroke: 81 mm x 89 mm
Displacement and Compression
- Displacement: 1,834 cc
- Compression ratio: 9.2:1
- Fuel type: Premium unleaded gasoline (91 octane or higher)
- Cylinders: 4
Performance
This section details the engine's performance capabilities, including horsepower, torque, and redline. It also covers fuel efficiency and emissions standards.
Performance
This section details the engine's performance capabilities, including horsepower, torque, and redline. It also covers fuel efficiency and emissions standards.
Power and Torque
- Horsepower: 130 HP @ 6,600 rpm
- Torque: 127 lb-ft @ 5,500 rpm
- Redline: 7,000 rpm
- Fuel injection system: Multi-point fuel injection
Fuel Efficiency and Emissions
- EPA rating: 25 mpg city, 31 mpg highway
- Emissions standards: OBD-I compliant
- Catalytic converter: Single
- Fuel tank capacity: 13.2 gallons
Dimensions and Weight
This section provides physical dimensions and weight specifications for the engine, useful for installation, maintenance, and repair planning.
Dimensions and Weight
This section provides physical dimensions and weight specifications for the engine, useful for installation, maintenance, and repair planning.
Engine Dimensions
- Length: 19.5 inches
- Width: 16.5 inches
- Height: 24.5 inches
- Weight: Approximately 290 lbs (dry)
Cooling System
This section covers the engine's cooling system, including the type, capacity, and key components. It is essential for maintaining optimal engine temperature and performance.
Cooling System
This section covers the engine's cooling system, including the type, capacity, and key components. It is essential for maintaining optimal engine temperature and performance.
Cooling System Specifications
- Coolant type: 50/50 mix of ethylene glycol and water
- Coolant capacity: 4.5 quarts (including radiator)
- Radiator size: 27.5 x 13.5 x 1.5 inches
- Water pump: Belt-driven, single-speed
Fuel System
This section details the fuel system components, including fuel injection, fuel pressure, and fuel line specifications. It is critical for diagnosing and repairing fuel-related issues.
Fuel System
This section details the fuel system components, including fuel injection, fuel pressure, and fuel line specifications. It is critical for diagnosing and repairing fuel-related issues.
Fuel System Specifications
- Fuel injection type: Multi-point fuel injection (MPI)
- Fuel pressure: 43 psi (300 kPa)
- Fuel filter: Paper element type
- Fuel line diameter: 5/16 inch
Maintenance
This section provides recommended maintenance schedules and specifications for the 1.8L engine, ensuring optimal performance and longevity.
Maintenance
This section provides recommended maintenance schedules and specifications for the 1.8L engine, ensuring optimal performance and longevity.
Oil and Filter
- Oil capacity: 4.5 quarts (with filter)
- Recommended oil viscosity: 5W-30
- Oil filter type: Cartridge-style
- Oil change interval: Every 5,000 to 7,500 miles
Spark Plugs
- Spark plug type: NGK V-Power
- Spark plug gap: 0.044 in (1.1 mm)
- Spark plug replacement interval: Every 30,000 miles
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Engine Specifications
Overview
- Type
- DOHC inline-4
- Configuration
- inline-4
- Platform
- Honda B-series
- Material
- aluminum alloy block and head
- Location
- transverse
Dimensions
- Displacement
- 1834 cc (1.8L)
- Cylinders
- 4
- Bore
- 81 mm (3.19 in)
- Stroke
- 89 mm (3.50 in)
- Length
- 437 mm (17.20 in)
- Width
- 212 mm (8.35 in)
- Dry Weight
- 136 kg (300 lbs)
Materials
- Engine Block
- aluminum alloy
- Cylinder Head
- aluminum alloy
- Valves
- steel
- Crankshaft
- forged steel
Features
- Fuel System
-
- multi-point fuel injection
- electronic fuel injection
- fuel pressure regulator
- fuel injectors
- Emission Controls
-
- catalytic converter
- exhaust gas recirculation (EGR)
- evaporative emissions control
- secondary air injection
- Cooling System
-
- water-cooled
- aluminum radiator
- electric cooling fan
- thermostat
- Engine Management
-
- Honda PGM-FI
- knock sensor
- engine control module (ECM)
- ignition timing control
- Performance
-
- DOHC (dual overhead camshaft)
- 4 valves per cylinder
- variable valve timing
- high-compression pistons
Safety Features
- Engine Protection
-
- knock sensor
- oil pressure sensor
- coolant temperature sensor
- crankshaft position sensor
- Exhaust System
-
- catalytic converter
- exhaust heat shield
- exhaust gas recirculation
- secondary air injection
- Ignition System
-
- immobilizer system
- electronic ignition
- spark plugs
- ignition coil
Comfort Features
- Noise Reduction
-
- noise-reducing engine mounts
- acoustic insulation
- helical gear cut
- balance shaft
- Vibration Dampening
-
- hydraulic engine mounts
- counter-rotating balance shaft
- vibration-dampening timing belt
- isolated engine cradle
- Smooth Operation
-
- multi-point fuel injection
- variable ignition timing
- smooth idle control
- low-vibration crankshaft
Accessories
- Engine Accessories
-
- air intake system
- performance air filter
- aluminum intake manifold
- throttle body
- Exhaust Accessories
-
- stainless steel exhaust system
- high-flow catalytic converter
- performance muffler
- exhaust manifold
- Engine Dress-Up
-
- aluminum engine cover
- carbon fiber intake manifold cover
- stainless steel engine bolts
- performance engine gasket kit
Maintenance
- Service interval
-
- every 5,000 miles (8,000 km)
- every 15,000 miles (24,000 km)
- every 30,000 miles (48,000 km)
- every 60,000 miles (97,000 km)
- Maintenance Notes
-
- regular oil changes
- oil filter replacement
- air filter inspection
- spark plug replacement
- timing belt inspection
- coolant flush
Warranty
- Basic Warranty
- Miles: 36,000 milesYears: 3 yearsCoverage: bumper-to-bumper
- Powertrain Warranty
- Miles: 60,000 milesYears: 5 yearsCoverage: engine, transmission, drivetrain
- Corrosion Warranty
- Miles: 60,000 milesYears: 5 yearsCoverage: perforation of body panels
- Emissions Warranty
- Miles: 80,000 milesYears: 8 yearsCoverage: emissions-related components
Production Details
- Manufacturer
- Honda Motor Co., Ltd.
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: rigorous inspection processTesting: performance and durability testingCertification: ISO 9001 certified
- Sustainability Practices
-
- recycling of materials
- reduced emissions during production
- energy-efficient manufacturing processes
- Production Metrics
- Units Produced: approximate annual production of 50,000 unitsProduction Years: 1989-1993Plant Location: Sayama Plant, Japan
Service Information for 1.8l engine Service
Maintenance and service requirements specific to this component
- Oil change with synthetic blend oil
- Oil filter replacement
- Tire pressure check and adjustment
- Brake pad inspection
- Air filter inspection and cleaning
Regular maintenance service. Inspect belts and hoses for signs of wear.
- Spark plug replacement
- Fuel injector cleaning
- Cabin air filter replacement
- Wiper blade replacement
- Battery test and charge
Intermediate service. Check coolant and transmission fluid levels.
- Timing belt replacement
- Water pump replacement
- Drive belts replacement
- Transmission fluid change
- Coolant flush and replacement
Major service. Replace all filters and inspect suspension components.
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 1.8L engine in the 1989-1993 Acura Integra?
What is the horsepower and torque output of the 1.8L engine in the 1989-1993 Acura Integra?
The 1.8L engine (D18A1) in the 1989-1993 Acura Integra produces 130 horsepower at 6000 RPM and 121 lb-ft of torque at 5000 RPM. These figures are specific to the base model and may vary slightly depending on the trim and condition of the engine.
Q2 What type of fuel system does the 1.8L engine use?
What type of fuel system does the 1.8L engine use?
The 1.8L engine in the 1989-1993 Acura Integra utilizes a multi-point fuel injection (MPFI) system. This system ensures precise fuel delivery to each cylinder, optimizing performance and fuel efficiency.
Q3 What is the recommended oil type and capacity for the 1.8L engine?
What is the recommended oil type and capacity for the 1.8L engine?
The recommended oil type for the 1.8L engine is 5W-30 or 10W-30, depending on climate conditions. The oil capacity is approximately 4.2 quarts (4.0 liters) when including the oil filter. Always refer to the owner's manual for specific recommendations.
Q4 What is the firing order for the 1.8L engine?
What is the firing order for the 1.8L engine?
The firing order for the 1.8L engine is 1-3-4-2. This sequence ensures proper ignition timing and smooth engine operation.
Q5 What is the compression ratio of the 1.8L engine?
What is the compression ratio of the 1.8L engine?
The 1.8L engine has a compression ratio of 9.2:1. This ratio is optimized for a balance of performance and fuel efficiency.
Q6 How often should the timing belt be replaced on the 1.8L engine?
How often should the timing belt be replaced on the 1.8L engine?
The timing belt on the 1.8L engine should be replaced every 60,000 to 90,000 miles or as specified in the owner's manual. Failure to replace the timing belt can result in severe engine damage.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1989-1993 Acura Integra Service Manual
Coming SoonOfficial service manual for the 1989-1993 Acura Integra, including detailed procedures for the 1.8L engine.
1.8L Engine Maintenance Guide
Coming SoonComprehensive guide on maintaining the 1.8L engine, including oil changes, timing belt replacement, and troubleshooting tips.
Acura Integra Parts Catalog
Coming SoonOfficial parts catalog for the 1989-1993 Acura Integra, listing genuine components for the 1.8L engine.
1.8L Engine Performance Upgrades
Coming SoonGuide to performance upgrades for the 1.8L engine, including intake, exhaust, and tuning modifications.
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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.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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