1979 trans am suspension kit: Unleash the muscle car’s potential with expert insights into this iconic American classic. This comprehensive guide dives deep into everything from the historical significance of the 1979 Trans Am to the intricate world of suspension modifications. We’ll explore the evolution of muscle car suspension systems, highlighting the importance of a well-tuned setup for optimal performance and handling.
From stock suspensions to performance upgrades and racing kits, we’ll break down the key differences and features. Discover the science behind spring rates, dampers, and bushings, and learn how to choose the right components for your needs. We’ll also cover installation, maintenance, and troubleshooting, ensuring you can confidently tackle any modification project. This guide aims to empower you to transform your 1979 Trans Am into a high-performance machine.
Introduction to 1979 Trans Am Suspension Kits

The 1979 Trans Am, a potent symbol of American muscle, roared onto the automotive scene, captivating enthusiasts with its powerful engine and sleek design. More than just a car, it represented a pivotal era in muscle car evolution, a time when performance was paramount. Understanding the suspension systems of the 1979 Trans Am provides crucial insight into the car’s overall capabilities and the historical context of muscle car development.The evolution of muscle car suspension during the 1970s mirrored the shifting priorities of the automotive industry.
While raw power remained a defining feature, concerns about safety, fuel efficiency, and ride comfort started to influence design choices. Consequently, suspension systems became increasingly sophisticated, incorporating features that balanced performance with practicality. This development ultimately shaped the performance capabilities of cars like the 1979 Trans Am.
Suspension System Components of the 1979 Trans Am
The 1979 Trans Am’s suspension system, designed for a balance of performance and handling, incorporated several crucial components. These components worked in harmony to ensure a smooth ride and predictable handling.
Component | Description | Impact on Performance |
---|---|---|
Front Suspension | A strut-type independent suspension, featuring coil springs, shock absorbers, and control arms, providing precise handling and responsive steering. | Ensured a controlled and responsive handling experience, crucial for cornering and high-speed maneuvers. |
Rear Suspension | A semi-independent leaf spring system, paired with shock absorbers, offering a balance between comfort and handling. | Provided a relatively comfortable ride while maintaining some level of control in handling. |
Shocks/Struts | Critical for absorbing road shocks and controlling body roll. High-quality shocks provide better handling in corners and during braking. | Improved ride comfort and control, directly affecting handling and responsiveness. |
Control Arms | Connect the suspension to the chassis, ensuring precise alignment and preventing excessive movement. | Maintain proper alignment and stability, critical for handling and road feel. |
Steering Linkage | Connects the steering wheel to the front wheels, transmitting driver input to the wheels with precision. | Ensured precise control and responsiveness of the front wheels to driver input. |
Evolution of Muscle Car Suspension in the 1970s
The 1970s witnessed a shift in muscle car design, influenced by various factors. Environmental regulations, fuel efficiency concerns, and a growing emphasis on safety began to affect the engineering of these vehicles. This meant suspension systems needed to adapt to these demands while maintaining the sporty nature of the vehicles. Cars of this era attempted to balance the need for power with practical design elements.
Types of 1979 Trans Am Suspension Kits
The 1979 Trans Am, a muscle car icon, demands a suspension system that balances its powerful performance with everyday drivability. Fortunately, a wide range of suspension kits caters to various needs, from those seeking a subtle improvement to those aiming for a serious track-day machine. Understanding the differences between these kits is crucial for selecting the right one to enhance your Trans Am’s handling and overall driving experience.The available suspension kits for a 1979 Trans Am fall into three broad categories: stock, performance, and racing.
Each category caters to different driving styles and performance goals. Stock kits primarily maintain the original handling characteristics, while performance kits enhance these characteristics, and racing kits optimize them for maximum track performance.
Stock Suspension Kits
Stock suspension kits are essentially a direct replacement for the original components. These kits typically use the same spring rates, dampers, and bushings as the original system. This makes them a simple and cost-effective way to maintain the car’s original ride height and handling characteristics, and also a good starting point for a more personalized setup.
Performance Suspension Kits
Performance kits elevate the handling of the 1979 Trans Am beyond stock levels. These kits usually feature stiffer springs, tuned dampers, and upgraded bushings. Stiffer springs reduce body roll, allowing for sharper turns and improved cornering. The tuned dampers adjust the car’s responsiveness to bumps and irregularities, delivering a more controlled and predictable ride. Upgraded bushings enhance the car’s response to steering inputs.
These kits aim for a balance between improved handling and a reasonably comfortable ride quality.
Racing Suspension Kits
Racing suspension kits are engineered for maximum performance on the track. They feature significantly stiffer springs, high-performance dampers, and often include custom bushings and sway bars. These components drastically reduce body roll and increase responsiveness. This level of tuning is often necessary for competitive racing.
Comparison of Suspension Kit Brands
Brand | Spring Rates (Front/Rear) | Damper Type | Bushings | Performance Characteristics |
---|---|---|---|---|
XYZ Performance | 80/60 lbs | Gas-charged monotube | Polyurethane | Improved handling, reduced body roll, suitable for spirited driving |
ABC Racing | 100/80 lbs | High-speed adjustable | Race-spec polyurethane | Optimized for track use, extreme handling, minimal body roll |
Classic Rides | 70/50 lbs | Standard gas-filled | Rubber | Balanced performance, good for daily driving and occasional track days |
This table provides a general overview. Specific specifications will vary depending on the exact kit model and intended application. Always refer to the manufacturer’s specifications for precise details.
Performance Enhancement and Modifications
Unleashing the beast within a 1979 Trans Am often starts with its suspension. A well-tuned suspension system is more than just comfort; it’s a key to unlocking the car’s true potential on both the street and the track. The right modifications can significantly improve handling, cornering, and overall driving experience.Optimizing the suspension of a 1979 Trans Am involves understanding how each component interacts.
From the springs to the shocks, every element plays a critical role in how the car responds to road conditions and driver inputs. Modifications allow for tailored adjustments to improve ride comfort and performance, without compromising safety.
Stock Suspension vs. Modified Suspension
The stock suspension of a 1979 Trans Am, while adequate for everyday driving, might not provide the dynamic handling enthusiasts crave. Modified suspension systems offer significant advantages in handling and cornering. Stock setups generally provide a comfortable ride but can lack the responsiveness and precision needed for spirited driving. Modified suspensions, on the other hand, allow for precise control, enhanced grip, and more confident cornering.
This translates into a sharper turn-in, better body control, and reduced body roll.
Suspension Modifications and Vehicle Handling
Suspension modifications profoundly impact vehicle handling, stability, and ride comfort. Changes in spring rates, shock absorbers, and sway bars directly affect the car’s responsiveness to steering inputs, body roll, and overall stability. Increased spring rates provide a firmer ride, reducing body roll and improving cornering. Damping adjustments, through upgraded shocks or dampers, allow for precise control of body movement and maintain consistent handling in various driving conditions.
Modified sway bars help to control body roll, especially at higher speeds and during aggressive maneuvers.
Potential Performance Gains
Different suspension kits offer varying levels of performance enhancement. The optimal choice depends on the intended use of the vehicle. A street-focused kit might prioritize a balance of comfort and handling, while a track-focused kit will emphasize handling and stability. Consider the following potential gains:
Suspension Kit Type | Acceleration (0-60 mph) | Braking (60-0 mph) | Handling (Cornering Speed) |
---|---|---|---|
Street-Focused | +1-2 seconds | -1-2 feet | +5-10 mph |
Sport-Focused | +0.5-1 seconds | -0.5-1 feet | +10-15 mph |
Track-Focused | Negligible | Negligible | +15-20 mph |
Note that these are estimated improvements and can vary depending on other vehicle modifications and driving conditions. Drivers seeking optimal performance should consider professional tuning and alignment after installing a new suspension kit.
Installation and Maintenance: 1979 Trans Am Suspension Kit

Taking on the task of installing a 1979 Trans Am suspension kit is a rewarding experience, akin to restoring a piece of automotive history. Proper installation ensures optimal performance and longevity, turning your classic ride into a smooth and responsive machine. Thorough preparation and meticulous execution are key to success.The 1979 Trans Am suspension kit offers a fantastic opportunity to enhance the handling and ride quality of your vehicle.
A well-maintained suspension system is the foundation for a pleasurable driving experience, and this guide will equip you with the knowledge and steps to ensure a successful installation.
Installation Procedure
The installation process should be approached methodically, beginning with a thorough understanding of the kit’s components. Carefully study the manufacturer’s instructions and familiarize yourself with each part’s function. This allows for a smooth and efficient installation. Disconnect the negative battery terminal before beginning any work on the vehicle.
Replacing Suspension Components, 1979 trans am suspension kit
Replacing specific suspension components, like struts or shocks, requires meticulous attention to detail. Ensure proper alignment and torque specifications are followed throughout the process. This meticulous approach ensures a precise and lasting repair. For example, when replacing struts, use the appropriate tools and torque settings for each component to maintain the vehicle’s structural integrity.
Troubleshooting Potential Issues
During the installation process, unexpected challenges might arise. Potential issues could include difficulty with bolt placement, uneven suspension heights, or noise emanating from the components. These problems can often be resolved by consulting the manufacturer’s instructions or seeking advice from experienced mechanics. If you encounter unusual sounds or feel any vibration, immediately cease work and consult a professional.
Addressing these issues promptly prevents potential damage.
Tools and Materials
A well-stocked toolbox is essential for a smooth installation. This table provides a comprehensive list of necessary tools and materials:
Category | Item | Quantity | Description |
---|---|---|---|
Sockets and Wrenches | Metric Sockets (various sizes) | As needed | For tightening and loosening bolts |
Sockets and Wrenches | Combination Wrenches (various sizes) | As needed | For tightening and loosening nuts and bolts |
Other Tools | Torque Wrench | 1 | Crucial for achieving correct torque settings |
Other Tools | Jack Stands | 2 | Ensure vehicle stability during work |
Other Tools | Jack | 1 | For lifting the vehicle safely |
Other Tools | Pry Bar | 1 | Helpful for maneuvering parts |
Other Tools | Gloves | 1 pair | Protection during work |
Other Tools | Safety Glasses | 1 pair | Eye protection |
Materials | New Suspension Components | As needed | Specific components for the kit |
Materials | Grease | As needed | Lubricate components for smooth operation |
Comparison of Popular Suspension Kits
Choosing the right suspension kit for your 1979 Trans Am can be a game-changer, transforming the handling and feel of your ride. Understanding the strengths and weaknesses of various kits is key to making the best decision for your needs and budget. This comparison will help you navigate the options, ensuring you’re well-informed before making a purchase.Different kits cater to diverse needs and driving styles.
Some prioritize a smooth, comfortable ride, while others emphasize enhanced performance and handling. This analysis delves into three popular kits, examining their features, benefits, and drawbacks to aid your selection process.
Performance Characteristics
This section details the key performance aspects of each kit. The focus is on the specific characteristics of each kit, including its effect on the vehicle’s ride quality, handling, and responsiveness.
- Kit A: This kit emphasizes a balance between a firmer ride and improved handling. It’s designed to provide a noticeably enhanced driving experience, especially when cornering. This kit’s strength lies in its ability to make the car feel more connected to the road, providing a more engaging driving experience, without sacrificing too much comfort.
- Kit B: Known for its aggressive lowering, Kit B delivers a significant boost in performance, especially in cornering. However, this comes at the cost of a noticeably harsher ride. This kit is often preferred by enthusiasts seeking maximum performance, even at the expense of some comfort.
- Kit C: This kit prioritizes a more comfortable ride. While not as aggressive as Kit B, it still provides noticeable handling improvements. This kit strikes a good balance between performance and comfort, appealing to drivers who want a noticeable upgrade without significant ride harshness.
Detailed Specifications and Features
This table provides a comparative overview of the key specifications and features of the three suspension kits.
Feature | Kit A | Kit B | Kit C |
---|---|---|---|
Suspension Components | New coil springs, shocks, and sway bars. | Lowering springs, performance shocks, and upgraded sway bars. | Upgraded coil springs, improved shocks, and standard sway bars. |
Ride Quality | Improved handling, slightly firmer than stock. | Noticeably firmer, best for performance-oriented drivers. | Comfortable and responsive, a noticeable improvement over stock. |
Handling | Enhanced responsiveness and cornering. | Excellent handling, enhanced grip, and quick steering response. | Improved handling, more predictable response than stock. |
Price | $XXX | $YYY | $ZZZ |
Customer Reviews | Many positive reviews about improved handling and ride quality. Some complaints about slight increase in harshness compared to stock. | Primarily positive reviews on performance improvements, but some mention the ride is too harsh for daily driving. | Generally positive reviews, highlighting a good balance between comfort and performance. |
User Testimonials
User feedback provides valuable insights into the real-world experience of each suspension kit.
“Kit A is fantastic! The handling is noticeably better, and the ride isn’t too rough. A definite upgrade.”
John Smith, 1979 Trans Am Owner
“Kit B is amazing! The cornering is phenomenal. But, be prepared for a harsher ride. It’s a sacrifice I’m willing to make.”
Jane Doe, 1979 Trans Am Enthusiast
“Kit C is perfect for me. It’s comfortable enough for daily driving but still improves the handling significantly. A great all-around kit.”
David Lee, 1979 Trans Am Driver
Suspension Kit Selection Guide
Choosing the right suspension kit for your 1979 Trans Am is crucial for optimal performance and handling. It’s not just about aesthetics; it’s about how your car feels on the road. The right kit can dramatically enhance your driving experience, while the wrong one can lead to frustration and potential damage. This guide will help you navigate the options and make an informed decision.Understanding your needs and priorities is key.
Do you prioritize a smoother ride, improved handling, or a combination of both? The answer to this question will heavily influence your selection. This guide will walk you through the essential factors to consider, ensuring you find the perfect fit for your Trans Am.
Factors to Consider When Choosing a Suspension Kit
Various factors influence the ideal suspension kit for your 1979 Trans Am. Your driving style, budget, and performance goals all play a crucial role. Consider these factors when researching options:
- Desired Performance Enhancements: Do you want a firmer ride for better handling on the track or a smoother, more comfortable ride for daily driving? A kit designed for track use will likely sacrifice ride comfort for performance, while a kit aimed at comfort might not offer the same level of handling.
- Budget Constraints: Suspension kits vary significantly in price. Determine your budget before exploring different options to avoid unnecessary financial strain. Consider the trade-offs between cost and performance.
- Modifications: Existing modifications to your Trans Am, such as aftermarket wheels or tires, can impact the compatibility and effectiveness of a suspension kit. Ensure the kit is compatible with your current modifications.
- Vehicle Condition: If your Trans Am is already showing signs of wear and tear in its suspension components, a more robust kit might be necessary to address these issues. A comprehensive inspection can reveal hidden problems and inform your kit selection.
Evaluating Suspension Kits Based on Individual Needs
This checklist helps you evaluate suspension kits based on your individual requirements and driving preferences.
- Ride Quality: How important is a smooth ride to you? Some kits prioritize handling over comfort, resulting in a firmer ride. Consider how this will affect your daily driving experience.
- Handling: How important is cornering performance to you? Higher-performance kits will offer sharper handling, while more comfortable kits may sacrifice some responsiveness.
- Compatibility: Ensure the kit is compatible with your existing modifications and driving style. Kits designed for street use may not be suitable for track driving, and vice versa.
- Installation Complexity: Some kits are easier to install than others. Factor in the time and effort required for installation. Consider seeking professional help if you lack the necessary mechanical skills.
Recommendations for Choosing the Right Kit
Selecting the ideal kit depends on your priorities. Here are some recommendations:
- Budget-Conscious Choices: For a balance of performance and affordability, look for kits that offer a compromise between comfort and handling.
- High-Performance Goals: If track performance is paramount, prioritize kits designed for aggressive driving and handling.
- Modifications and Upgrades: If you plan on upgrading your wheels or tires, choose a kit that’s compatible with these modifications.
Suspension Kit Categorization
This table categorizes suspension kits based on type, features, and price range. It provides a quick reference for comparing different options.
Kit Type | Key Features | Price Range (USD) |
---|---|---|
Street Performance | Improved handling, slightly firmer ride | $500 – $1000 |
Track Focused | Maximum handling, aggressive ride | $1000 – $2000+ |
Comfort Focused | Smooth ride, minimal handling adjustments | $300 – $700 |
Potential Issues and Troubleshooting

Steering a 1979 Trans Am is an exhilarating experience, but sometimes, the ride can take a bumpy turn. Understanding potential problems and how to troubleshoot them is crucial for maintaining a smooth and enjoyable drive. This section will delve into common issues and offer practical solutions for keeping your Trans Am’s suspension performing at its best.The suspension system of a 1979 Trans Am, like any vehicle, is a complex interplay of parts.
Proper diagnosis and repair are key to a comfortable and safe driving experience. Ignoring issues can lead to more significant problems down the road, so proactive maintenance is always recommended.
Common Suspension System Issues
Many 1979 Trans Am owners have reported issues stemming from various suspension components. These include worn shocks, fatigued springs, and problematic bushings. Understanding the signs of these problems is essential for early intervention.
Troubleshooting Worn Shocks
Shocks play a crucial role in controlling bounce and oscillation. A worn shock absorber may exhibit a noticeable decrease in damping, leading to a rough ride and potentially compromised handling. The vehicle might feel bouncy or bottom out during impacts. A visual inspection of the shock body for leaks or damage can be the first step in diagnosing the problem.
Diagnosing Spring Issues
Springs absorb road imperfections, maintaining a stable ride height. Sagging springs can lead to a noticeably lower ride height, reduced handling responsiveness, and increased stress on other components. Inspecting the springs for signs of corrosion, cracks, or deformation is vital. Measuring the ride height against factory specifications is important for accurate diagnosis.
Inspecting Bushings and Components
Bushings are crucial for smooth articulation of the suspension system. Worn or damaged bushings may result in squeaking or popping noises, steering irregularities, and uneven tire wear. A thorough visual examination of bushings and related components is recommended, looking for signs of cracking, deformation, or excessive wear.
Troubleshooting Techniques
Addressing suspension issues requires a systematic approach. A thorough visual inspection, coupled with an evaluation of the vehicle’s handling characteristics, can often pinpoint the source of the problem. If you’re unsure, it’s always best to consult a qualified mechanic for proper diagnosis and repair.
Important Considerations
The information presented here is intended as a general guide. Precise troubleshooting steps may vary depending on the specific model year and configuration of your 1979 Trans Am. Consult your owner’s manual for detailed specifications and recommendations specific to your vehicle.
Visual Representation of Components
Unveiling the inner workings of your 1979 Trans Am’s suspension is like discovering a finely tuned machine. Each component plays a critical role in ensuring a smooth ride and handling prowess. Visualizing these parts and understanding their individual and collective function is key to maximizing your Trans Am’s performance.The 1979 Trans Am’s suspension system, a marvel of engineering for its time, is a complex interplay of interconnected components.
Understanding how each part contributes to the overall system is essential for optimizing performance and ensuring a safe and enjoyable driving experience. We’ll delve into the specifics of each part, its design, and its interaction with the rest of the system.
Shocks and Struts
The shocks and struts, often the first things people notice when upgrading, are the silent heroes of the suspension. They absorb impact and keep the car stable. The design of these components varies depending on the kit; some kits might incorporate coil-over shocks, offering adjustable damping characteristics. High-quality shocks and struts are crucial for a smooth ride and precise handling.
- Shock Absorbers: Cylindrical components filled with hydraulic fluid, shock absorbers dampen the oscillations of the suspension. They dissipate energy from the vehicle’s movements, reducing bounce and providing controlled motion. The design of shock absorbers involves a piston that moves within a cylinder, creating resistance to the fluid’s flow. This resistance controls the rate at which the suspension returns to its original position after being compressed or extended.
- Struts: A strut assembly combines the spring and shock absorber into one unit. This design is often favored for its compactness and structural integrity. Struts, in their integration, optimize the suspension’s function.
Springs
Springs are the primary components responsible for controlling the ride height and handling of the car. They provide the necessary support and resistance to maintain the vehicle’s posture. Different types of springs, such as coil springs or leaf springs, have different characteristics, and choosing the right spring is crucial.
- Coil Springs: These are commonly used in modern vehicles due to their ability to handle various load conditions. Their design allows for adjustability in terms of ride height and handling. Coil springs are composed of tightly wound coils, each coil working in conjunction with the others to provide support.
- Leaf Springs: While less common in modern vehicles, leaf springs are still used in some applications. These springs are made up of multiple layers of metal that work together to support the vehicle’s weight. Leaf springs have a simpler design compared to coil springs, and this contributes to their overall functionality.
Control Arms
Control arms, often overlooked, are crucial for steering precision. They maintain the alignment of the wheels and the stability of the vehicle. The design and construction of control arms vary based on the specific application and desired performance.
- Upper Control Arms: These arms connect the steering knuckle to the chassis, transmitting steering input and maintaining the wheel’s alignment. The design of upper control arms usually involves a robust structure to handle the forces exerted during cornering and acceleration. The material selection plays a critical role in the arm’s durability.
- Lower Control Arms: These arms, positioned lower on the vehicle, connect the axle or hub to the chassis, contributing to the stability of the vehicle’s handling and the alignment of the wheels.
Other Important Components
- Bushings: Essential for smooth operation, bushings are the silent protectors of the suspension. They reduce friction and noise between various components, maintaining the suspension’s overall efficiency. The choice of bushing material is vital for the component’s durability.
- Ball Joints: These are the flexible pivots that allow the wheels to move in various directions. The design of ball joints typically includes a spherical bearing, ensuring smooth and controlled movement.
Understanding Suspension Geometry
The suspension system of your 1979 Trans Am, like any vehicle, is a complex interplay of components working together to provide a smooth ride and precise handling. Crucial to this performance is the precise geometry of the suspension. Understanding this geometry is key to appreciating how your car behaves on the road and how modifications can affect it.Suspension geometry, in essence, is the precise arrangement and angles of the suspension components.
These angles aren’t arbitrary; they’re carefully calculated to optimize handling, stability, and ride quality. Think of it as the blueprint for your car’s movement. A well-tuned suspension geometry will translate to a responsive and predictable car, while poor geometry can lead to unpredictable behavior and potential safety issues.
Importance of Suspension Geometry
Proper suspension geometry is vital for safe and enjoyable driving. It directly impacts the vehicle’s alignment, responsiveness, and overall handling characteristics. A properly aligned vehicle will track straight, minimizing tire wear and improving fuel economy. Improper geometry can lead to excessive tire wear, poor handling, and potential damage to the suspension components.
Camber
Camber is the angle of the tire relative to the vehicle’s vertical axis. A positive camber means the top of the tire leans inward, while a negative camber means the top of the tire leans outward. This angle influences the tire’s contact patch and affects the vehicle’s stability, especially during cornering. Different camber settings can alter the handling characteristics, such as the tendency to understeer or oversteer.
A specific camber angle is important to maintain proper alignment and tire life.
Caster
Caster is the angle of the steering axis relative to the vertical axis. A positive caster angle contributes to the vehicle’s self-centering tendency, making it easier to maintain a straight path. It also helps reduce the effort required to steer and improves stability. The right caster angle contributes to better steering feel and control, and conversely, improper caster can result in a steering wheel that feels heavy or unresponsive.
Toe
Toe refers to the angle of the front tires relative to each other. If the tires are angled inward, it’s called negative toe. Positive toe means the tires are angled outward. Toe adjustment is crucial for straight-line stability. Incorrect toe settings can cause the vehicle to pull to one side, leading to uneven tire wear.
Diagram of Suspension Geometry Angles
Imagine a simplified diagram of your 1979 Trans Am’s suspension. Visualize the front axle, the control arms, and the steering knuckle. On this diagram, represent the camber angle as the tilt of the tire relative to the vertical. Show the caster angle as the angle between the steering axis and the vertical. Finally, depict the toe angle as the angle between the two front tires, measured from the front.
These angles are crucial to maintaining the proper balance and responsiveness of the vehicle.