The Complete Guide to E-Revo Suspension Parts: Upgrades, Replacements & Setup Tips

The Traxxas E-Revo is a powerful and versatile RC monster truck, but like any vehicle, its suspension takes a beating. Whether you're replacing worn components or upgrading for better performance, choosing the right E-Revo suspension parts makes a big difference in handling, durability, and driving enjoyment. This guide covers the key suspension components, upgrade options, and practical advice for selecting and installing parts.

Understanding E-Revo Suspension Components

The E-Revo's suspension system is designed for off-road abuse with long travel and progressive damping. Key parts include:

Shocks

The E-Revo uses oil-filled, coilover shocks with progressive springs. Stock shocks are plastic-bodied with aluminum caps. They provide decent performance for general bashing, but hard landings can cause leaks or bending. Upgraded options include aluminum-bodied shocks (e.g., GPM or Integy) for better heat dissipation and durability. You can also change spring rates and shock oil weight to adjust handling. For racing, consider the Traxxas GTR shocks with Ti-nitride shafts.

A-Arms

Stock A-arms are composit (plastic). They flex to absorb impacts but can snap on rough terrain. RPM makes polyurethane replacement A-arms that are nearly indestructible and come with lifetime warranty. Aluminum A-arms (from GPM, Yeah Racing) offer zero flex and precise geometry but transfer more stress to other parts. For bashing, RPM arms are popular; for racing on smooth tracks, aluminum may be preferred.

Sway Bars, Tie Rods, and Push Rods

Sway bars reduce body roll in corners. The E-Revo has room for add-on sway bars, but many drivers skip them for off-road. Tie rods connect the steering to the knuckles; adjustable turnbuckles allow camber and toe adjustments. Push rods connect the lower A-arm to the rocker arm; they take side loads and can be upgraded to titanium for weight savings.

Upgrading vs OEM Replacement

Deciding between stock replacement and upgrades depends on your driving style and budget.

When to Replace vs Upgrade

Replace parts with OEM if they wear out and you want to keep costs low. Upgrade if you break parts often, want better handling, or need tuning adjustability. Common upgrade triggers: bent shock shafts, broken A-arms, stripped turnbuckles.

Key Upgrade Materials

• Aluminum: Stiffer, but heavier. Good for shock bodies, hub carriers, and steering knuckles.
• Titanium: Light and strong, used for shock shafts and push rods. Expensive.
• RPM Polyurethane: Flexible and tough, ideal for A-arms and wing mounts. Lifetime warranty.
• Carbon Fiber: Used for shock towers and sway bars to save weight.

Choosing the Right Suspension Parts

Match parts to your typical terrain and driving aggressiveness.

Driving Style and Terrain

• Bashing on rough ground: Durable plastic A-arms (RPM) and aluminum shocks with heavy oil (60-70wt). Consider shock socks to keep dirt out.
• Racing on packed dirt: Aluminum A-arms for precise steering, lighter shock oil (30-40wt), and optional sway bars.
• Jumping and high-speed runs: Upgrade shock shafts to titanium, use RPM arms, and check shock towers for cracks.

Budget Considerations

Start with the most failure-prone parts: A-arms and shock shafts. Replace broken plastic arms with RPM for about $20 per pair. Upgraded shocks can run $50-$100 for a set. Full aluminum suspension kits can exceed $200, but may not improve durability if other parts fail first.

Brand Recommendations

• Traxxas OEM: Reliable but pricey for plastic parts. Great for stock replacement.
• RPM: Best plastic A-arms and bumpers. Highly recommended for bashing.
• GPM: Extensive line of aluminum parts, from shock bodies to steering knuckles. Reasonable prices.
• Integy: Budget aluminum options, but fitment can vary.
• Yeah Racing: High-end aluminum and carbon parts, popular with racers.

Installation Tips and Maintenance

Proper installation extends part life and improves performance.

Basic Tools Needed

• 2.0mm, 2.5mm hex drivers (preferably ball-end)
• Nut driver or wrench for shock nuts
• Threadlock (blue) for metal-to-metal screws
• Shock oil (30-70wt depending on setup)
• Shock pliers for disassembly

Common Pitfalls

• Over-tightening: Plastic parts strip easily. Tighten until snug, then back off slightly.
• Using threadlock on plastic: Only use on metal threads. Threadlock can attack plastic.
• Incorrect shock oil weight: Too thick makes suspension harsh; too thin causes bottoming out.
• Not checking for binding: After assembly, cycle suspension by hand. Any tight spot indicates misalignment.

Setup Basics

• Ride height: Lower arms parallel to ground when truck is at rest. Adjust preload clips on shocks.
• Droop: With shocks off, limit drop to prevent driveshaft binding (use droop screws).
• Camber: Set to about 1 degree negative at ride height for stable cornering.
• Toe: A small amount of toe-in (1-2mm) for straight-line stability.

Final Recommendation

For most E-Revo owners who bash on varied terrain, start with RPM A-arms and a set of good aluminum shocks (GPM or Traxxas GTR). This combo offers durability, adjustability, and reasonable cost. If you race, consider upgrading to aluminum hub carriers, titanium shock shafts, and a sway bar kit. Always keep spare A-arms and shock shafts in your toolbox. Remember that suspension tuning is iterative—change one part at a time and test to see what works for your driving style.