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Long Travel 4th Gen 4Runner Suspension Upgrades Explained

We explore comprehensive suspension upgrades for the 4th generation Toyota 4Runner, focusing on achieving extended travel for enhanced off-road capability. This guide details various components and their impact on performance.

Front Suspension Upgrades

Long Travel Suspension Systems

A long travel suspension system significantly increases wheel articulation. This involves longer control arms, longer shocks, and often, custom fabrication. Increased travel allows the tires to maintain contact with the ground even on uneven terrain.Proper geometry is paramountto prevent binding and premature wear. We recommend professional installation.

Coilover Conversions

Replacing the factory torsion bars with coilovers offers precise adjustability for ride height and damping. This provides superior control and customization compared to stock.Consider the spring rate carefullyto balance comfort and off-road performance. High-quality coilovers are a worthwhile investment.

Upgraded Shocks and Struts

Shocks and struts are crucial for controlling suspension movement. Upgrading to high-performance shocks designed for long travel applications significantly improves ride quality and handling.Choose shocks rated for your intended use.Factors like valving and reservoir size impact performance.

Rear Suspension Upgrades

Leaf Spring Modifications

The 4Runner’s leaf spring rear suspension can be modified for increased travel. This often involves adding longer leaf springs or swapping to a multi-leaf setup.Proper arch clearance is essentialto avoid tire rubbing. Consider the impact on ride height and articulation.

Coilover Conversions (Rear)

Converting the rear suspension to coilovers offers similar advantages to the front. This provides independent suspension, improving articulation and ride comfort.This is a more complex conversionrequiring significant modifications and expertise. Proper alignment is crucial after installation.

Shackle Reversal

A shackle reversal kit changes the orientation of the shackles, increasing suspension droop. This provides more down-travel, improving articulation.This modification can alter suspension geometry,potentially requiring other adjustments. It’s a relatively cost-effective upgrade.

Steering and Other Components

Steering Upgrades

Upgrading steering components is crucial for maintaining control with increased suspension travel. This often includes high-angle tie rod ends, stronger steering linkages, and potentially a high-steer kit for improved turning radius at extreme angles.Increased stress on steering components is inevitable with long travel.

Brake Upgrades

Increased speed and capability require upgraded brakes for enhanced stopping power. Larger rotors, upgraded calipers, and high-performance brake pads improve braking performance and safety.Consider brake line upgradesfor improved responsiveness.

Drivetrain Considerations

Long travel often puts stress on CV axles and driveshafts. Upgrading to stronger components, such as chromoly axles, is crucial to prevent failures.CV axle angle is critical.

Expert Tips and Best Practices

• Plan your build meticulously.Consider your budget, intended use, and desired level of performance before making any modifications.
• Source high-quality components.Investing in reputable brands ensures durability and performance.
• Professional installation is highly recommended.Improper installation can lead to poor performance and safety hazards.
• Regular maintenance is essential.Inspect and maintain your suspension components regularly to prevent premature wear and failure.

Common Mistakes to Avoid:

• Neglecting proper alignment.Incorrect alignment can lead to premature tire wear, poor handling, and safety risks.
• Overlooking drivetrain upgrades.Failing to upgrade drivetrain components can result in costly failures.
• Choosing the wrong components.Improperly matched components can lead to poor performance and reduced lifespan.

Conclusion

Upgrading your 4th gen 4Runner’s suspension for long travel requires careful planning and execution. By understanding the various components and their interaction, you can achieve significant improvements in off-road capability and performance. Remember, prioritizing safety and professional installation is paramount for a successful and enjoyable build.

FAQs

1. What is the average cost of a long travel suspension upgrade?Costs vary widely depending on components and labor, ranging from a few thousand to tens of thousands of dollars.

2. How much does long travel increase articulation?The increase in articulation depends on the specific components used, but it can significantly improve off-road capability.

3. What are the common brands for long travel suspension components?Several reputable brands offer long travel components, such as Total Chaos Fabrication, Camburg Racing, and RadFlo Suspension.

4. Do I need to re-gear my axles after a long travel suspension upgrade?Depending on the tire size increase, you might need to re-gear your axles to maintain optimal performance.

5. Will a long travel suspension upgrade void my warranty?Modifying your vehicle’s suspension typically voids any factory warranty related to the suspension system.

References/Sources

(Include links to relevant manufacturer websites, technical articles, and reputable off-road forums here.)