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Adjusting Your T-Maxx
Adjusting the suspension
The T-Maxx has adjustable suspension so that it may be
optimized for different kinds of terrain and driving styles.
Caster Adjustment
The T-Maxx 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 T-Maxx.
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.
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.
The innermost upper shock mounting position (0) on the shock
tower is intended for use with the first generation T-Maxx
suspension arms. With the
second generation arms
(2.5-powered T-Maxx),
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 on the
second generation (2.5-
powered T-Maxx) arms.
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.Other 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
travel and ride height.The more vertical position of the shocks
allows for lower shock progression and the soft, plush feel that’s
characteristic of the T-Maxx.
The outer pair of holes on the lower suspension arm should be
used to lower the ride height of the T-Maxx, and increase the
spring force (at the wheel).This setting will improve high-speed
cornering on smoother terrain by lowering the center of gravity
and providing a firmer suspension feel. Body roll, brake dive, and
squat will be reduced.
Spring rate (at the wheel) increases as the lower shock
mounting position is moved from position (1) to position (4).
This is equivalent to using stiffer springs.Use higher spring rate
settings for flatter terrain with smaller and fewer bumps, and
lower spring rate settings for bigger bumps.
40
For easier access to
the rear-most shock
mounting screw,
remove the one end of the
rear turnbuckle. In the front,
remove the suspension pin
from the lower front
suspension arm to gain
easier access to the lower
shock mounting screws.
7°
Caster adjustment shims (1 Front, 1 Rear)
Vertical
Ground plane
Vertical
4°
Caster adjustment shims (2 Front)
Ground plane
Vertical
Caster adjustment shims (2 Rear)
Ground plane
10°