Suspension tuning is one of the most effective ways to transform your RC car’s off-road handling. Shocks are not just about comfort — they control weight transfer, traction, and stability. Getting them right ensures consistent performance whether you’re competing on a dirt track or running through rocky terrain.
The viscosity of shock oil dictates how quickly the suspension responds.
Low-viscosity (20–30wt): Improves grip on rough, uneven terrain by allowing faster shock movement.
High-viscosity (40–60wt): Increases damping, offering stability on high-speed straights and smoother surfaces.
Springs work together with oil to manage suspension stiffness.
Softer springs: Absorb bumps better but may bottom out on jumps.
Stiffer springs: Provide sharper handling but reduce grip on loose terrain.
Adjusting preload collars fine-tunes ride height — higher for rough terrain, lower for stability in cornering.
Mounting shocks at different angles changes handling dynamics.
More upright: Stiffer response, more direct feel.
More angled: Softer response, better for absorbing big hits.
Clean and refill shocks regularly. Worn seals or dirty oil reduce consistency, making even the best-tuned setup ineffective.
Tuning shocks is not a one-time job. Conditions change, and so should your setup. Testing different oils, springs, and positions helps you tailor performance for any environment. With proper tuning, your RC car gains not only better handling but also durability for long-term use.
Ramii