Quick answer

To improve traction on your Redcat vehicle, start by tuning shock oil weight and spring preload. Replace worn suspension components like the front shock tower or hinge pins to restore proper geometry and damping.

Why shock tuning matters for traction

Shocks control how your tires stay in contact with the ground. Too much rebound or too stiff a spring can cause the tires to bounce, reducing grip. Proper shock tuning keeps the tires planted, especially on uneven terrain.

Before buying new parts, check your current shock oil condition. Old oil loses viscosity and can cause inconsistent damping. Changing to a slightly thicker oil (like 30-40wt) often helps on rough surfaces without needing new shocks.

Key replacement parts to consider

If your shocks are leaking or the mounting points are damaged, replacing worn components restores performance. The Redcat Racing Front Shock Tower (part 07423) is a common wear point on Rampage Chimera SR models. A cracked tower changes shock angle and reduces suspension travel.

For the lower suspension, worn hinge pins can introduce slop. The Redcat Racing lower inner suspension arm hinge pins (part 50038) come in a pack of four and fit Rampage MT and legacy Rampage Dunerunner models. Replacing them tightens the linkage and improves consistent tire contact.

Step-by-step shock upgrade process

  1. Step 1: Drain and replace shock oil: Remove the shocks from the vehicle and disassemble them. Drain the old oil and refill with a fresh oil of your choice (e.g., 30wt for general off-road). Bleed air bubbles by slowly cycling the shaft. Common mistake: using too thick oil (50wt+) can make the suspension too stiff, reducing small-bump compliance and traction on rough terrain.
  2. Step 2: Adjust spring preload: Turn the spring collar to increase or decrease preload. For better traction, reduce preload slightly so the suspension sags a bit under the vehicle's weight, keeping tires pressed down. Checkpoint: if the vehicle sits too low and bottoms out easily, add preload. If it bounces over bumps, reduce preload.
  3. Step 3: Inspect and replace worn suspension parts: Check the shock tower, hinge pins, and suspension arms for cracks or slop. Replace any damaged components. For Rampage Chimera SR models, inspect the front shock tower (part 07423). For Rampage MT models, check the lower hinge pins (part 50038). Common mistake: replacing only the shock without checking mounting points. A bent tower or loose pin will negate the benefit of new oil or springs.
  4. Step 4: Test and fine-tune: Reinstall the shocks and take the vehicle for a test run on a surface similar to your typical driving terrain. Adjust oil weight or preload based on how the vehicle handles. Make one change at a time. Verdict: if the vehicle still lacks traction after tuning, consider upgrading to aluminum shocks or a stiffer spring set for more consistent damping.

Parts that help with traction

  • 07423: The Redcat Racing Front Shock Tower is a spare part for select Redcat Racing vehicles. This listing is for the plastic front shock tower, sold as one piece. Compatible with RAMPAGE CHIMERA SR. A cracked or bent shock tower changes the shock mounting angle, reducing suspension travel and causing uneven tire contact. Replacing it restores proper geometry for better traction.
  • 50038: These Redcat Racing lower inner suspension arm hinge pins are replacement pins for the suspension linkage. Each package includes 4 pins, with each pin measuring 6 x 94 mm. Fits Rampage MT and legacy Rampage Dunerunner models. Worn hinge pins introduce slop in the suspension arms, leading to inconsistent wheel alignment and reduced grip. Replacing them tightens the linkage and helps keep tires planted.