Pontiac Pontiac Firebird 1982-1992 2.8L V6 Engine Engine Specifications
Pontiac Pontiac Firebird 1982-1992

Pontiac Pontiac Firebird 1982-1992 2.8L V6 Engine Specifications

Explore the detailed technical specifications of the 2.8L V6 engine used in the 1982-1992 Pontiac Firebird. Learn about horsepower, torque, fuel systems, and more for maintenance, repair, or performance upgrades.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 2.8L V6 engine used in the 1982-1992 Pontiac Firebird. It is designed for enthusiasts, mechanics, and researchers seeking accurate data on engine performance, design, and maintenance. Use the search and navigation instructions to quickly locate specific details or browse through sections for comprehensive insights.

How to Use

Use the search functionality by entering keywords related to the 2.8L V6 engine, such as 'horsepower' or 'torque'. Results will highlight relevant sections and subsections for quick access.

Navigate through the document by scrolling through sections or using the table of contents. Each section is organized into subsections with detailed technical points for easy reference.

Key Specifications

Displacement

2.8L (173 cu in)

Horsepower

135 HP @ 4800 RPM

Torque

160 lb-ft @ 3600 RPM

Compression Ratio

8.9:1

Fuel System

Multi-port fuel injection

Available Specifications

Engine Design and Configuration

This section covers the fundamental design and configuration of the 2.8L V6 engine, including its layout, cylinder arrangement, and key components. Learn about the engine's architecture and how it contributes to performance and reliability.

Cylinder Arrangement and Layout
  • 60-degree V6 configuration
  • Cast iron engine block
  • Aluminum cylinder heads
  • Overhead valve (OHV) design
  • Two valves per cylinder
  • Hydraulic lifters for reduced maintenance
Key Components
  • Forged steel crankshaft
  • Powdered metal connecting rods
  • High-strength pistons
  • Single overhead camshaft (SOHC)
  • Multi-port fuel injection system
  • Electronic ignition system

Performance Specifications

Explore the performance metrics of the 2.8L V6 engine, including horsepower, torque, and fuel efficiency. This section provides detailed data to help you understand the engine's capabilities and limitations.

Power Output
  • 135 horsepower at 4800 RPM
  • 160 lb-ft of torque at 3600 RPM
  • Compression ratio of 8.9:1
  • Redline at 5500 RPM
  • Fuel efficiency: 18 MPG city / 25 MPG highway
  • Carbureted and fuel-injected variants available
Performance Enhancements
  • Optional performance camshaft
  • High-flow exhaust systems
  • Cold air intake options
  • Aftermarket tuning chips
  • Upgraded ignition systems
  • Lightweight flywheel for improved throttle response

Maintenance and Reliability

This section focuses on maintenance requirements and reliability aspects of the 2.8L V6 engine. Discover recommended service intervals, common issues, and tips for ensuring long-term durability.

Service Intervals
  • Oil change every 3,000 miles
  • Spark plug replacement every 30,000 miles
  • Timing belt inspection every 60,000 miles
  • Coolant flush every 50,000 miles
  • Air filter replacement every 15,000 miles
  • Fuel filter replacement every 20,000 miles
Common Issues and Solutions
  • Oil leaks from valve cover gaskets
  • Cooling system overheating
  • Worn timing chain tensioners
  • Carbon buildup on intake valves
  • Ignition coil failures
  • Exhaust manifold cracks

Engine Specifications

Overview

Type
V6
Configuration
60-degree
Platform
GM 60-Degree V6
Material
Cast iron block, aluminum heads
Location
Front longitudinal

Dimensions

Length
24.5 inches (622 mm)
Width
27.2 inches (691 mm)
Height
26.8 inches (681 mm)
Weight
375 lbs (170 kg)
Bore
3.5 inches (89 mm)
Stroke
3.0 inches (76 mm)
Displacement
173 cubic inches (2.8 liters)

Materials

Block
Cast iron
Cylinder Heads
Aluminum
Pistons
Aluminum alloy
Crankshaft
Forged steel
Valves
Stainless steel

Features

Fuel System
  • Throttle body injection
  • Electronic fuel control
  • Multi-port fuel injection (later models)
Ignition System
  • Electronic distributor
  • High-energy ignition
  • Spark advance control
Cooling System
  • Pressurized radiator
  • Thermostatic control
  • Water pump
Lubrication System
  • Full-pressure oiling
  • Oil cooler (optional)
  • Oil filter
Emissions
  • EGR system
  • Catalytic converter
  • PCV system

Safety Features

Engine Protection
  • Low oil pressure warning
  • Overheat warning
  • Fail-safe cooling
Emissions Control
  • Catalytic converter
  • Evaporative emissions system

Comfort Features

Noise Reduction
  • Balanced crankshaft
  • Rubber engine mounts
  • Acoustic covers
Vibration Control
  • Counterweighted crankshaft
  • Hydraulic valve lifters
  • Tuned exhaust system

Accessories

Engine Cooling
  • Radiator
  • Fan clutch
  • Water pump
Air intake
  • Air cleaner
  • Throttle body
  • Air filter
Exhaust System
  • Exhaust manifold
  • Catalytic converter
  • Muffler

Maintenance

Service interval
Every 3,000 miles/3 months
Service Items
  • Oil change
  • Oil filter replacement
  • Spark plug replacement
  • Air filter inspection
  • Coolant level check
Maintenance Notes
Use 10W-30 oil, check timing belt every 60,000 miles

Warranty

Basic
12 months/12,000 miles
Powertrain
36 months/36,000 miles
Emissions
24 months/24,000 miles
Corrosion
60 months/100,000 miles
Warranty Terms
Coverage for defects in materials or workmanship

Production Details

Manufacturer
General Motors
Manufacturing Process
  • Casting
  • Machining
  • Assembly
  • Testing
Quality Control
inspection: 100% engine testing
Tolerance: ±0.001 inches
Sustainability Practices
  • Recycling of aluminum
  • Low-emission production
  • Waste reduction
Production Metrics
Units Per Year: 150,000
Defect Rate: 0.5%

Service Information for 2.8l v6 engine Service

Maintenance and service requirements specific to this component

3,000
3
  • Oil and filter change
  • Inspect air filter
  • Check coolant levels
  • Inspect belts and hoses

Use 10W-30 oil for optimal performance

30,000
30
  • Replace spark plugs
  • Inspect ignition system
  • Check fuel system
  • Inspect exhaust system

Ensure proper torque on spark plugs

60,000
60
  • Replace timing belt
  • Inspect water pump
  • Check valve clearance
  • Replace coolant

Critical to replace timing belt to prevent engine damage

Common Questions

Find answers to common questions about torque specifications

Q1

Is the 2.8L V6 engine compatible with other Pontiac models from the same era?

The 2.8L V6 engine used in the 1982-1992 Pontiac Firebird is primarily designed for this model. However, it shares similarities with engines used in other GM vehicles of the same era, such as the Chevrolet Camaro. Compatibility with other Pontiac models may vary, and modifications might be required for proper fitment. Always verify with a trusted mechanic or refer to the vehicle's service manual.

Q2

What are the maintenance requirements for the 2.8L V6 engine?

The 2.8L V6 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 3,000 miles, replacing the air filter every 12,000 miles, and inspecting spark plugs and ignition components annually. Coolant should be flushed every 30,000 miles, and timing belts should be replaced every 60,000 miles. Regular inspections of hoses, belts, and gaskets are also recommended.

Q3

How do I replace the 2.8L V6 engine in my Pontiac Firebird?

Replacing the 2.8L V6 engine involves several steps: disconnect the battery, drain fluids, and remove the exhaust, transmission, and engine mounts. Use an engine hoist to lift the old engine out. Install the new engine by reversing the removal process, ensuring all connections are secure. Torque bolts to manufacturer specifications and refill fluids. A detailed service manual is recommended for precise instructions.

Q4

What are common troubleshooting steps for the 2.8L V6 engine?

Common issues with the 2.8L V6 engine include rough idling, overheating, and power loss. Start by checking the ignition system, including spark plugs and wires. Inspect the fuel system for clogs or leaks. Verify coolant levels and radiator function to address overheating. For power loss, examine the air intake and exhaust systems. Diagnostic tools can help identify specific problems.

Q5

How can I optimize the performance of my 2.8L V6 engine?

To optimize performance, consider upgrading the air intake and exhaust systems for better airflow. Use high-quality synthetic oil and ensure regular maintenance. Installing a performance chip or reprogramming the ECU can enhance power output. Lightweight pulleys and a high-flow fuel pump may also improve efficiency. Always balance upgrades with the engine's original design limits.

Factory Service Resources

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

1982-1992 Pontiac Firebird Service Manual

Coming Soon

Comprehensive guide covering maintenance, repair, and troubleshooting for the 2.8L V6 engine and other components.

Technical Service Bulletin for 2.8L V6 Engine

Coming Soon

Official GM bulletin addressing common issues and updates for the 2.8L V6 engine in the Pontiac Firebird.

Pontiac Firebird Parts and Accessories Catalog

Coming Soon

Detailed catalog of OEM and aftermarket parts for the 1982-1992 Pontiac Firebird, including engine components.

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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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Alan Montanye - Automotive Technical Specialist
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