Acura Integra 1994-2001

Acura Integra 1994-2001 1.8L Engine Specifications

Detailed technical specifications and service information for the 1.8L B18B1 engine in the 1994-2001 Acura Integra. Includes performance metrics, torque values, fuel and ignition system details, and maintenance procedures.

Updated Oct 24, 2023

1994-2001 Acura Integra 1.8L Engine Specifications Specifications

This document provides detailed specifications and technical information for the 1.8L engine found in the 1994-2001 Acura Integra. It includes key performance metrics, engine design details, and maintenance recommendations. Use this guide to understand the capabilities, requirements, and upkeep of your vehicle's engine. Navigate through the sections to find specific information or use the search functionality to quickly locate details.

How to Use

To search for specific information, use the search bar at the top of the document. Enter keywords such as 'horsepower,' 'torque,' or 'oil capacity' to find relevant details quickly.

Navigate through the document by scrolling through the sections. Each section is divided into subsections with detailed technical points. Use the table of contents or section headers to find specific information.

Key Specifications

▲

Horsepower

170 HP @ 7,600 RPM

■

Torque

117 lb-ft @ 6,300 RPM

●

Displacement

1.8L (1,797cc)

◆

Redline RPM

8,000 RPM

★

Fuel Capacity

13.2 gallons

Available Specifications

Engine Overview

General information about the 1.8L engine, including its design, configuration, and application in the Acura Integra.

Engine Basics

1.8L inline-4 cylinder engine
DOHC (Dual Overhead Camshaft) design
VTEC (Variable Valve Timing and Lift Electronic Control)
Aluminum alloy block and head
Multipoint fuel injection system

Engine Codes

Engine code: B18C
Used in Acura Integra GS-R and Type R models
Slightly different variants for specific model years

Performance Specifications

Key performance metrics and capabilities of the 1.8L engine.

Power and Torque

Horsepower: 170 HP @ 7,600 RPM
Torque: 117 lb-ft @ 6,300 RPM
Redline: 8,000 RPM
Fuel type: Premium unleaded gasoline

Transmission and Drivetrain

Available with 5-speed manual transmission
Optional 4-speed automatic transmission
Front-wheel drive layout
Limited-slip differential (optional)

Technical Specifications

Detailed technical specifications for the 1.8L engine, including dimensions, capacities, and tolerances.

Engine Dimensions and Weight

Displacement: 1.8L (1,797cc)
Bore x Stroke: 81mm x 89mm
Compression ratio: 9.2:1
Dry weight: Approximately 276 lbs

Fluid Capacities

Engine oil capacity: 4.5 quarts (4.3 liters)
Coolant capacity: 4.5 gallons (17 liters)
Transmission fluid capacity: 2.5 quarts (2.4 liters)

Maintenance and Service

Recommended maintenance schedule and service intervals for the 1.8L engine.

Service Intervals

Oil change: Every 5,000 to 7,500 miles
Tire rotation: Every 5,000 miles
Spark plug replacement: Every 30,000 miles
Timing belt replacement: Every 90,000 miles
Valve clearance adjustment: Every 15,000 miles

Recommended Fluids

Engine oil: 5W-30 synthetic oil
Coolant: 50/50 mix of antifreeze and distilled water
Transmission fluid: Honda ATF DW-1
Brake fluid: DOT 3 or DOT 4

Search Specifications

Search by specification name, value, or description

Engine Specifications

General

Engine Code: B18B1

Displacement: 1.8L (1834 cc)

Engine Type: Inline 4-cylinder, DOHC

Bore: 81.0 mm

Stroke: 89.0 mm

Compression Ratio: 9.2:1

Fuel System: Multi-Point Fuel Injection (MPFI)

Part Number: 11000-P72-A01

Performance

Horsepower: 140 hp @ 6300 rpm

Torque: 127 lb-ft @ 5200 rpm

Redline: 7200 rpm

Fuel Octane Rating: 87 (Regular Unleaded)

Emission Standard: LEV (Low Emission Vehicle)

Lubrication

Oil Capacity: 4.2 quarts (with filter)

Oil Type: 5W-30 (API SG or higher)

Oil Pressure: 60 psi @ 3000 rpm

Oil Filter Part Number: 15400-PLM-A01

Cooling

Coolant Capacity: 6.3 quarts

Coolant Type: 50/50 mix of Honda All Season Antifreeze/Coolant Type 2

Thermostat Opening Temperature: 180°F (82°C)

Radiator Cap Pressure: 13-15 psi

Water Pump Part Number: 19200-P72-000

Ignition

Ignition Type: Distributorless Ignition System (DIS)

Spark Plug Gap: 0.044 in (1.1 mm)

Spark Plug Part Number: NGK BKR6E-11

Ignition Timing: 16° BTDC at idle

Fuel

Fuel Tank Capacity: 13.2 gallons

Fuel Pump Pressure: 38-46 psi

injector Flow Rate: 240 cc/min

Fuel Filter Part Number: 16010-P72-003

Valvetrain

Valve Clearance intake: 0.008-0.010 in (0.20-0.25 mm)

Valve Clearance Exhaust: 0.010-0.012 in (0.25-0.30 mm)

Camshaft Duration intake: 248°

Camshaft Duration Exhaust: 248°

Valve Spring Part Number: 14761-P72-003

Maintenance

Timing Belt Replacement Interval: 90,000 miles or 7 years

Timing Belt Part Number: 14400-P72-003

Drive Belt Tension: 0.35-0.45 in (9-11 mm) deflection

Air Filter Part Number: 17220-P72-003

Pcv Valve Part Number: 17130-P72-003

Diagnostics

Compression Pressure: 199 psi (minimum)

Compression Variation Limit: 14 psi (max difference between cylinders)

Idle Speed: 750 ± 50 rpm

Idle Mixture Control: 0.5-1.5% CO

Check Engine Light Codes

P0171
P0300
P0420

Safety

Max Engine Temperature: 230°F (110°C)

Max Oil Temperature: 250°F (121°C)

Coolant Overheat Warning: Activates at 248°F (120°C)

Oil Pressure Warning: Activates below 6 psi

Service Information Service

Detailed service requirements and schedules for the 1.8L engine

7,500

Oil and filter change
Inspect drive belts
Check coolant level
Inspect exhaust system

Use only Honda-recommended fluids and parts

30,000

Replace air filter
Replace spark plugs
Inspect valve clearance
Check ignition timing

Adjust valve clearance if necessary

90,000

Replace timing belt
Replace water pump
Inspect fuel system
Replace coolant

Timing belt replacement is critical to prevent engine damage

Common Questions

Find answers to common questions about torque specifications

What is the horsepower and torque output of the 1.8L engine in the 1994-2001 Acura Integra?

The 1.8L engine (B18B1) in the 1994-2001 Acura Integra produces 140 horsepower at 6300 RPM and 127 lb-ft of torque at 5200 RPM. The VTEC variant (B18C1) produces 170 horsepower at 7600 RPM and 128 lb-ft of torque at 6200 RPM.

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) with a filter change.

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 engine performance.

What is the valve clearance specification for the 1.8L engine?

The valve clearance for the 1.8L engine is 0.008-0.010 inches (0.20-0.25 mm) for the intake valves and 0.009-0.011 inches (0.23-0.28 mm) for the exhaust valves when the engine is cold.

What is the compression ratio of the 1.8L engine?

The compression ratio for the non-VTEC 1.8L engine (B18B1) is 9.2:1, while the VTEC variant (B18C1) has a higher compression ratio of 10.0:1.

What is the recommended spark plug gap for the 1.8L engine?

The recommended spark plug gap for the 1.8L engine is 0.040-0.044 inches (1.0-1.1 mm). Use NGK or Denso spark plugs for optimal performance.

Factory Service Resources

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

1994-2001 Acura Integra Service Manual

Coming Soon

Official service manual covering all aspects of the 1.8L engine, including maintenance, repair, and troubleshooting procedures.

1.8L Engine Torque Specifications

Coming Soon

Detailed torque specifications for critical engine components, including cylinder head bolts, crankshaft pulley, and connecting rod bolts.

1.8L Engine Timing Belt Replacement Guide

Coming Soon

Step-by-step guide for replacing the timing belt on the 1.8L engine, including recommended intervals and safety precautions.

1.8L Engine Performance Upgrades

Coming Soon

Information on performance upgrades for the 1.8L engine, including intake, exhaust, and ECU tuning options.

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Technical Information

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