Mitsubishi Mitsubishi 3000GT 1990-1993 Suspension Specifications
Mitsubishi Mitsubishi 3000GT 1990-1993

Mitsubishi Mitsubishi 3000GT 1990-1993 Suspension Specifications

Explore detailed suspension specifications for the 1990-1993 Mitsubishi 3000GT. Learn about key components, maintenance tips, and performance upgrades for this iconic sports car.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the suspension system of the 1990-1993 Mitsubishi 3000GT. It is designed to assist enthusiasts, mechanics, and researchers in understanding the suspension components, configurations, and performance characteristics. Use the search and navigation instructions to quickly locate specific details or browse through the sections for a comprehensive understanding of the suspension system.

How to Use

Use the search functionality to find specific terms or components within the document. Enter keywords like 'front suspension' or 'spring rates' to quickly locate relevant information.

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

Key Specifications

Front Spring Rate

2.5 kg/mm

Rear Spring Rate

2.2 kg/mm

Front Anti-Roll Bar Diameter

24 mm

Rear Anti-Roll Bar Diameter

20 mm

Ride Height (Front)

150 mm

Available Specifications

Front Suspension

The front suspension of the 1990-1993 Mitsubishi 3000GT is designed for optimal handling and stability. This section covers the key components, including the strut assembly, control arms, and anti-roll bar, along with their specifications and functions.

Strut Assembly
  • MacPherson strut design
  • Gas-filled shock absorbers
  • Coil spring rate: 2.5 kg/mm
  • Strut mount with integrated bearing
  • Adjustable camber settings (optional)
  • Dust boot and bump stop included
Control Arms
  • Forged aluminum construction
  • Rubber bushings for vibration damping
  • Ball joint for precise steering response
  • Reinforced lower control arm design
  • Compatible with aftermarket upgrades
Anti-Roll Bar
  • Diameter: 24 mm
  • Hollow tubular design for reduced weight
  • Polyurethane bushings for durability
  • Direct connection to strut assembly
  • Improves cornering stability

Rear Suspension

The rear suspension system of the Mitsubishi 3000GT ensures balanced performance and ride comfort. This section details the multi-link setup, coil springs, and rear anti-roll bar, along with their technical specifications.

Multi-Link Setup
  • Independent multi-link design
  • Four lateral links per side
  • Toe and camber adjustment capability
  • Rubber bushings for noise reduction
  • Optimized for high-speed stability
Coil Springs
  • Spring rate: 2.2 kg/mm
  • Progressive winding for comfort and performance
  • Corrosion-resistant coating
  • Integrated with shock absorbers
  • Compatible with lowering kits
Rear Anti-Roll Bar
  • Diameter: 20 mm
  • Solid steel construction
  • Polyurethane bushings for longevity
  • Connects to lower control arms
  • Enhances rear-end grip

Suspension Geometry

The suspension geometry of the Mitsubishi 3000GT is engineered for precise handling and stability. This section explains the alignment settings, including camber, caster, and toe, along with their impact on performance.

Alignment Settings
  • Front camber: -0.5° to -1.5°
  • Rear camber: -1.0° to -2.0°
  • Front caster: 4.5° to 6.0°
  • Front toe: 0° to 0.2° (toe-in)
  • Rear toe: 0° to 0.3° (toe-in)
  • Adjustable for track or street use
Ride Height
  • Front ride height: 150 mm
  • Rear ride height: 155 mm
  • Ground clearance: 130 mm
  • Lowering options available
  • Affects center of gravity and handling

Component Specifications

Overview

Type
Independent MacPherson strut (front), Multi-link (rear)
Configuration
Front and rear independent suspension
Platform
Mitsubishi 3000GT (1990-1993)
Material
Steel and aluminum components
Location
Front and rear axles

Dimensions

Front Strut Length
18.5 inches (470 mm)
Rear Shock Length
20 inches (508 mm)
Front Spring Rate
180 lb/in (31.5 N/mm)
Rear Spring Rate
150 lb/in (26.3 N/mm)
Front Sway Bar Diameter
0.98 inches (25 mm)
Rear Sway Bar Diameter
0.75 inches (19 mm)
Wheel Travel Front
5.5 inches (140 mm)
Wheel Travel Rear
6 inches (152 mm)

Materials

Strut Body
High-strength steel
Spring
Chromium-silicon alloy steel
Control Arms
Forged aluminum
Bushings
Polyurethane and rubber
Sway Bars
Heat-treated steel

Features

Adjustability
  • Camber adjustment (front and rear)
  • Ride height adjustment (aftermarket kits)
  • Sway bar stiffness adjustment
Damping
  • Hydraulic shock absorbers
  • Gas-charged dampers
  • Adjustable damping (optional)
Stability
  • Anti-roll bars front and rear
  • Reinforced control arms
  • Stabilizer links
Handling
  • Precision steering geometry
  • Low unsprung weight
  • Optimized roll center
Durability
  • Corrosion-resistant coatings
  • High-cycle fatigue resistance
  • Sealed bearings

Safety Features

Structural integrity
  • Reinforced strut towers
  • Crash-resistant subframes
Fail-Safes
  • Bump stops to prevent over-compression
  • Dust boots to protect struts
Stability
  • Electronic Stability Control (ESC) integration
  • Traction control system compatibility

Comfort Features

Noise Reduction
  • Insulated bushings
  • Quiet hydraulic dampers
Vibration Dampening
  • Rubber isolators
  • Multi-stage damping
Ride Quality
  • Progressive rate springs
  • Tuned shock valving

Accessories

Upgrades
  • Coilover kits
  • Adjustable sway bars
  • Polyurethane bushings
Maintenance
  • Strut mount kits
  • Shock absorber replacements
  • Bushing lube
Tools
  • Spring compressors
  • Alignment tools
  • Torque wrenches

Maintenance

Service interval
Every 30,000 miles or 24 months
Service Items
  • Inspect struts and shocks for leaks
  • Check bushings for wear
  • Lubricate suspension components
  • Verify alignment settings
  • Tighten all suspension bolts
Maintenance Notes
Replace worn components promptly to avoid damage to other parts

Warranty

Standard
Miles: 36,000
Years: 3
Coverage: Defects in materials and workmanship
Extended
Miles: 60,000
Years: 5
Coverage: Additional wear and tear
Performance
Miles: 24,000
Years: 2
Coverage: High-performance components
Corrosion
Miles: Unlimited
Years: 10
Coverage: Rust-through protection

Production Details

Manufacturer
Mitsubishi Motors
Manufacturing Process
  • Precision forging
  • Heat treatment
  • CNC machining
Quality Control
Testing: Durability testing, Corrosion resistance testing, Alignment verification
Standards: ISO 9001, JIS D 0201
Sustainability
  • Recycled steel usage
  • Low-VOC coatings
  • Energy-efficient manufacturing
Production Metrics
Units Per Year: 150,000
Defect Rate: 0.1%
Lead Time: 4 weeks

Service Information for suspension Service

Maintenance and service requirements specific to this component

30,000
24
  • Inspect struts and shocks
  • Check bushings for wear
  • Lubricate suspension points
  • Verify alignment
  • Tighten suspension bolts

Replace any leaking shocks or struts immediately

60,000
48
  • Replace worn bushings
  • Check sway bar links
  • Inspect control arms
  • Test shock absorber performance
  • Re-align suspension

Use OEM or equivalent parts for replacements

100,000
84
  • Replace all suspension bushings
  • Overhaul struts and shocks
  • Inspect and replace control arms if necessary
  • Check and replace sway bars
  • Full suspension alignment

Consider upgrading to performance components during overhaul

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What suspension components are compatible with the 1990-1993 Mitsubishi 3000GT?

The 1990-1993 Mitsubishi 3000GT suspension system is compatible with specific OEM and aftermarket components, including shock absorbers, struts, coil springs, and control arms. Key specifications include a MacPherson strut front suspension and a multi-link rear suspension. Aftermarket options from brands like KYB, Eibach, and Tein are popular for upgrades. Always verify part numbers and compatibility with your vehicle's trim level (e.g., base, SL, or VR-4) to ensure proper fitment and performance.

Q2

What maintenance is required for the 1990-1993 Mitsubishi 3000GT suspension system?

Regular maintenance for the 1990-1993 Mitsubishi 3000GT suspension includes inspecting shock absorbers and struts for leaks or wear, checking bushings and ball joints for deterioration, and ensuring proper alignment. Replace worn components every 50,000-70,000 miles or as needed. Lubricate suspension parts during routine service to prevent squeaks and premature wear. A professional inspection every 12 months is recommended to address potential issues early and maintain optimal handling and ride quality.

Q3

How do I replace the rear suspension struts on a 1990-1993 Mitsubishi 3000GT?

To replace rear suspension struts on a 1990-1993 Mitsubishi 3000GT, first, safely lift and support the vehicle. Remove the rear wheels and disconnect the sway bar link and brake line bracket. Use a spring compressor to safely remove the coil spring. Unbolt the strut from the lower control arm and the upper mounting point. Install the new strut, reassemble components, and torque all bolts to factory specifications. Finally, perform a wheel alignment to ensure proper handling.

Q4

What are common suspension issues in the 1990-1993 Mitsubishi 3000GT?

Common suspension issues in the 1990-1993 Mitsubishi 3000GT include worn shock absorbers or struts, leading to a bumpy ride and poor handling. Other problems include deteriorated bushings, causing clunking noises, and failing ball joints, which can affect steering stability. Uneven tire wear may indicate alignment issues. Diagnose problems by inspecting components for wear, checking for leaks, and testing for excessive play. Replace worn parts promptly to restore performance and safety.

Q5

How can I optimize the suspension performance of my 1990-1993 Mitsubishi 3000GT?

To optimize suspension performance, consider upgrading to high-performance shocks, struts, and coil springs from reputable brands like Eibach or Tein. Adjustable coilovers allow for fine-tuning ride height and stiffness. Replace worn bushings with polyurethane versions for improved durability and responsiveness. Ensure proper wheel alignment and balance. Regularly inspect and maintain components to prevent wear and tear. These upgrades enhance handling, cornering, and overall driving experience while maintaining ride comfort.

Factory Service Resources

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

Mitsubishi 3000GT Factory Service Manual

Coming Soon

Comprehensive guide covering suspension system maintenance, repair, and specifications for the 1990-1993 Mitsubishi 3000GT.

Suspension Technical Service Bulletin (TSB)

Coming Soon

Official Mitsubishi TSB addressing common suspension issues and recommended fixes for the 1990-1993 3000GT.

Mitsubishi 3000GT Suspension Parts Catalog

Coming Soon

Detailed catalog of OEM and aftermarket suspension components for the 1990-1993 Mitsubishi 3000GT.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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