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6. Turn o the power to the model followed by the transmitter. The servo
horn is now ready to be installed.
7. Be careful not to move the servo shaft when installing the servo horn.
Readjust the ESC as described in the "Adjusting the Speed Control"
section.
Fine Tuning the Shocks
The four shocks on the model greatly in uence its
handling. Whenever you rebuild your shocks or make
any changes to the pistons, springs, or oil, always
make changes to them in pairs (front or rear). Piston
selection depends on the range of oil viscosities that
you have available. For example, using a two-hole
piston with a lightweight oil will, at one point, give
you the same damping as a three-hole piston with
heavier oil. We recommend using the two-hole
pistons with a range of oil viscosities from 10W to
50W (available from your hobby shop). The thinner
viscosity oils (30W or less) ow more smoothly and
are more consistent, while thicker oils provide more
damping. From the factory, the shocks are lled with
SAE-30W silicone oil. Use only 100% pure silicone
shock oil to prolong seal life. The model's ride height
can be adjusted by adding or removing the clip-on, spring preload spacers.
Adjust the ride height so that the suspension arms are slightly above being
parallel to the ground. Observe how the model handles in turns. Proper setup
will add stability and help prevent spin outs. Experiment with di erent springs
and shock oils to nd what works best for your current track conditions.
Wheels and Tires
Many types of aftermarket tires and wheels can be adapted for use
on your model. Most will a ect the overall width and the suspension
geometry of the model. The o sets and dimensions designed into the
model's wheels are intentional; therefore, Traxxas cannot recommend the
use of other non-Traxxas wheels with di erent speci cations. The diameter
of the wheels is an innovative design, and there is a variety of di erent
tires available for you to experiment with in addition to the included tires
on the model (listed in your parts list). Experimentation with di erent
types of tires is recommended to see which ones work the best on the
terrain where the model is run. When selecting tires, consider the overall
diameter and the rubber compound (hard or soft). If the overall diameter
of the tire is signi cantly increased, you will need to use a smaller pinion
gear to compensate for the larger tire. Soft compound tires with many
short spikes generally work better on hard, dry surfaces. In loose dirt, a tire
Preload
Spacer
with large spikes should perform better. See your parts list for accessory
wheels and tires.
www.modellmarkt24.ch
ADJUSTING YOUR MODEL
Gearing Compatibility Chart:
The chart below shows
recommended gear combination
ranges for your model.
Spur Gear
76
83
86
90
12
-
-
-
20.40
13
-
-
-
18.83
14
-
-
-
17.49
15
-
-
15.59
16.32
16
-
-
14.62
15.30
17
-
-
13.76
14.40
18
-
12.54
13.00
13.60
19
-
11.88
12.31
12.88
20
-
11.29
11.70
12.24
21
-
10.75
11.14
11.66
22
-
10.26
10.63
11.13
Key:
Stock (Recommended for most conditions)
Usable Range
High Speed, Hard Surfaces Only
Not Recommended
-
Does Not Fit
BIGFOOT BRUSHLESS • 25
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