TRAXXAS RALLY
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25
High Speed Gearing
The included high-speed pinion gear can be installed to increase
the top speed of your model to 50+mph. This also requires the
use of an additional battery (sold separately) and a Traxxas series
connector (Part #3063, sold separately). See page 12 for more
information.
50+mph Battery and Gearing Installation Instructions
1. Install the included high-speed pinion gear as described in
Pinion Gear Installation Instructions on page 24. Install the
supplied battery as described on page 11.
2. Install an identical Power Cell Series 1 battery (#2925) sold
separately) in the opposite battery compartment.
3. Plug both batteries into the Y-harness (sold separately). The
harness connects the two packs in series. The two 7.2-volt 6-cell
battery packs will operate as one 14.4-volt 12-cell battery pack.
4. Plug the Y-harness into the speed control.
WHEELS AND TIRES
The Traxxas split-spoke wheels on your model are designed
specically for optimum performance with the model’s ofcially
licensed BFGoodrich
®
Rally tires. The tires are modeled after the full-
size rally competition tire for authentic looks and performance. In
developing the tire, Traxxas formulated a special tread compound
that allows controlled rally- and gymkhana-style drift-cornering,
but also provides sufcient traction for straight-line acceleration
and high-speed driving. This allows the model to perform exciting
drift maneuvers without the hard-to-control “driving on ice” feeling
typical of solid plastic “drift tires” that do not provide enough grip
for high-performance driving.
You model is equipped with standard-size touring car wheels and
tires that t 12mm axle hexes. The wheels are 26mm wide and
have a +4mm offset. The Traxxas split-spoke wheels are engineered
specically for your model, but many aftermarket touring car
wheels and tires can also be tted to alter the styling and handling
characteristics of your model.
TUNING ADJUSTMENTS
Precautions
• The High Speed dual-battery and gearing conguration
is for high-speed running only. Avoid repetitive hard
acceleration to prevent overstressing the motor, speed
control and batteries.
• Make certain both batteries are fully charged before
installing them in your model. Installing a fully charged pack
and a partially discharged pack may lead to overdischarging
and damage to the partially discharged battery.
• Do not mix batteries of different brands, chemistries or
capacities. Only genuine Traxxas batteries are approved for
dual-battery use in this model.
• Stop running your model and allow it to cool if the speed
control’s thermal overload protection activates or if the
motor temperature exceeds 200° F.
