20 • SLASH 4x4
Once you become familiar with driving your model, you might need
to make adjustments for better driving performance
Adjusting Gear Mesh
Incorrect gear mesh is the most
common cause of stripped spur gears.
Gear mesh should be checked and
adjusted anytime a gear is replaced.
Access the gears by removing the
single screw on the gear cover.
To set the gear mesh, loosen the
motor screw. Cut a narrow strip of
notebook paper and run it into the
gear mesh. Slide the motor and pinion
gear into the spur gear. Retighten the
motor screws and then remove the
strip of paper. You should be able to
run a fresh strip of paper through the
gears without binding them.
Adjusting the Toe-in
Geometry and alignment specs play
an important roll in your model’s
handling. Take the time to set them
correctly. Set the steering trim on your transmitter to neutral. Now,
adjust your servo and tie rods so that both wheels are pointing
straight ahead and are parallel to each other (0-degrees toe-in). This
will ensure the same amount of steering in both directions.
For increased stability add one- to two-degrees of toe in to each
front wheel. Use the turnbuckles to adjust the alignment.
Adjusting the Camber
The camber angle of both the front and rear wheels can be adjusted
with the camber links (upper turnbuckles). Use a square or right-
angle triangle to set the camber accurately. Adjust the front wheels
to 1 to 2 degrees of negative camber. In the rear, adjust the wheels
to 1 to 2 degrees of negative camber. These adjustments should be
set with the truck positioned at its normal ride height.
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 suspension of your model has been set up for off-road
performance (position 2 on the front suspension arms and position
BASIC TUNING ADJUSTMENTS
Camber
Toe-in
1°-2°
1°-2°
1°-2°
1°-2°
All of the toe links are
installed on the truck so the
left hand thread indicators
point to the same direction.
This makes it easier to
remember which way to
turn the wrench to increase
or decrease toe link length
(the direction is same at all
four corners). Note that the
groove in the hex indicates
the side of the toe link with
the left-hand threads.
Rear toe-in can be adjusted
using accessory rear axle
carriers, Traxxas Part #1952X.
These can add or remove 1.5°
toe per side, for a total of 1 to
4 degrees per side.
Strip of
Paper
Motor
Screw
Toe Base Factory Settings
Front:
0-degrees
Rear:
2.5-degree toe-in each side
Static Camber Base Factory Settings
Front:
1-degree negative camber each side
Rear:
1-degree negative camber each side
