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more dampening. Use only 100% pure
silicone shock oil to prolong seal life.
From the factory, the SportMaxx uses
30W oil.
The ride height for the SportMaxx can
be adjusted by adding or removing the
clip-on spring pre-load spacers. Note that
changes in ride height will occur when
changes in shock angle or spring rates
are made. You can compensate for ride
height changes by changing the pre-load
spacers on the shocks
Caster Adjustment
The SportMaxx offers the ability to adjust
the caster angle of the front suspension.
Caster adjustment may be used to influence the understeer/
oversteer handling characteristics of the SportMaxx. Increasing
the caster angle will increase the tendency of the truck to
oversteer (less traction on the rear tires, more traction on the
front tires), while decreasing the caster angle will cause the
truck to have a tendency to understeer (push in the turns). This
effect becomes more pronounced at higher steering angles and
higher spring rates. Caster is adjusted by repositioning the
shims on the pivot point of the upper suspension arms.
Caster adjustment shims (2 Front)
Caster adjustment shims (1 Front, 1 Rear)
Vertical
Vertical
4°
7°
Ground plane
Ground plane
The stock caster setting is 7-degrees with one shim at each end
of the arm. Reduce the caster angle to 4-degrees by removing
the rear shim and inserting it next to the front shim. The caster
angle can be increased to 10-degrees by removing the front
shim and inserting it next to the rear shim.
Shock Mounting Positions
Big bumps and rough terrain
require a softer suspension
with the maximum possible
suspension travel and ride
height. Racing on a prepared
track or on-road use requires a
lower ride height and firmer,
more progressive suspension
settings. The more progressive
suspension settings help
reduce body roll (increased roll
stiffness), dive during braking,
and squat during acceleration.
Upper shock mounting
position (A) should generally be used with lower shock
mounting positions 1 and 2. Upper shock mounting position (B)
should be generally be used with lower shock mounting
positions 3 and 4. The innermost upper shock mounting
position (0) can be used for tuning with the inner pair of lower
shock mounting positions on the arm (1,2). It is not compatible
with lower shock mounting positions 3 and 4.Other
Caster adjustment shims (2 Rear)
combinations may be used to achieve individualized suspension
settings.
Lower Shock Mounting Positions
In the out-of-the-box configuration, the shocks are installed in
position (A) on the shock tower and position (2) on the lower
suspension arm. This setting allows for moderate suspension
Vertical
10°
travel and ride height. The more vertical position of the shocks
Ground plane
allows for lower shock progression and the soft, plush feel that's
characteristic of a Traxxas Maxx Truck.
Adjusting Your SportMaxx
39
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