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TUNING GUIDE

When tuning the Dromida DB4.18 make sure that you have equal lengths from one side to the other on the shocks

and upper rods. Also, make sure to have the shock pre-load adjusters at the same setting from left to right. They

do not have to be the same front to rear.

PINIONS

The Dromida DB4.18 comes stock with the 12 tooth pinion. To obtain higher top speeds you can install a larger

pinion gear onto the motor. This will, however, decrease your acceleration and run time. TIP: Smaller pinion equals

more torque, less top speed. Larger pinion equals more top speed, less torque.

SHOCK OIL

The Dromida DB4.18 comes stock with 30 weight oil in the shocks. The handling can be tuned by changing the

shock oil to either heavier (bigger number) or lighter (smaller number). By putting heavier oil in the shocks, the

car will have less chassis roll and become more responsive. Putting lighter oil in the shocks will cause the car to

be less responsive and have more chassis roll. For smooth, high traction surfaces, a thicker oil would be best. For

low traction or bumpy surfaces, a lighter oil would be best.

CAMBER

2˚ NEGATIVE CAMBER

Camber refers to the angle at which the tire and wheel ride

in relation to the ground when viewed from the front or rear.

Negative camber is when the wheels lean inward and positive

camber is when the wheels lean outward. Usually adding

a small amount of negative camber (0° to -2°) will increase

traction. However, adding too much camber will decrease

ADJUST LENGTH TO

traction. The objective is to keep as much of the tire as possible

CHANGE THE CAMBER

in contact with the running surface. Never put in positive

camber. Make sure that both sides are equal.

SHOCK SPRINGS

For low traction or bumpy surfaces, a softer spring should be used. For high traction or smooth surfaces, a firmer

spring should be used.

FRONT SHOCK ADJUSTMENT

Moving the tops of the shocks out (A) will increase steering

reaction but decrease front traction. Moving the tops of the

shocks in (B) will result in slower steering reaction but will be

smoother over bumps and have more front traction.

REAR SHOCK ADJUSTMENT

Moving the tops of the shocks out (A) will increase steering

reaction and decrease rear traction. Moving the tops of the

shocks in (B) will result in slower steering reaction but will be

smoother over bumps and have more rear traction.

dromida.com

We try very hard to have accurate and up-to-date information in this document. Any errors are unintentional.