TRAXXAS
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23
TUNING ADJUSTMENTS
crawling, or racing on low traction surfaces. Note: Heavier oil will allow
power to be transferred even with one or more tires off the ground.
This can make the vehicle more likely to overturn.
From the factory, both the differentials are filled with SAE 30,000W
viscosity silicone oil. Only use silicone oil in the differentials. Traxxas
sells SAE 10,000W and SAE 50,000W viscosity oil (see your parts list).
The differentials have to be removed from the vehicle and disassembled
to change/replace oil.
MOTOR AND GEARING
Extensive testing has been done to determine the best gear ratios
for the 1/16 Slash 4WD and 1/16 E-Revo models. The stock gearing
balances power, speed, and efciency to optimize the performance of
the models. However, you may wish to try different gear ratios in order
to customize the performance of your model. The gearing chart on this
page shows appropriate gearing for both models.
By installing a pinion with fewer teeth, or a spur gear with more teeth,
the transmission’s nal drive ratio is increased. This means greater rpm
is required to achieve a given speed. Using a numerically higher gear
ratio will increase torque, but reduce top speed. Installing a pinion
with more teeth, or a spur gear with fewer teeth, will decrease the nal
drive ratio, which will generally increase top speed but reduce torque.
However, installing too large a pinion will “overgear” the car, which
will reduce performance and may overheat the motor and speed
control. Use the following formula to calculate the overall ratio for
combinations not listed on the gear chart:
# Spur Gear Teeth
x 5.04 = Final Gear Ratio
# Pinion Gear Teeth
Gearing Compatibility Chart
The chart on the left shows a full
range of gear combinations. The
stock ratio for 1/16 E-Revo is shown
in blue. The stock ratio for 1/16 Slash
4WD is shown in red.
The gear combinations in gray are
not suitable for either model when
using the included 6-cell battery,
speed control and motor. These gear
combinations have been included in
this chart as they may be used with
certain other aftermarket equipment
combinations.
Spur Gear
Pinion Gear
45 50 55
11
- - 25.20
12
- - 23.10
13
- - 21.32
14
- - 19.80
15
- - 18.48
16
- 15.75 17.33
17
- 14.82 16.31
18
- 14.00 15.40
19
- 13.26 14.59
20
- 12.60 13.86
21
10.80 12.00 13.20
22
10.31 11.45 12.60
23
9.86 10.96 12.05
24
9.45 10.50 11.55
25
9.07 10.08 11.09
26
8.72 9.69 10.66
27
8.40 9.33 10.27
28
8.10 9.00 9.90
29
7.82 8.69 9.56
30
7.56 8.40 9.24
31
7.32 8.13 8.94
32
7.09 7.88 -
33
6.87 7.64 -
Stock 7105 1/16 E-Revo
Stock 7005 1/16 Slash 4WD
Acceptable range Slash 4WD & E-Revo
Acceptable range Slash 4WD only
Not suitable for stock models
The optional Traxxas #4091
on-board temperature gauge
is perfect for monitoring
motor temperature.
Be aware of motor
temperature when running
your model. Extended
running with dual batteries
and/or frequent stopping
and starting can lead to
excessive heating. Do not let
the motor exceed 160° F or
reduced performance and
motor damage may result.
Titan 380 Motor Specications
Turns: 18
Motor Wires: 16 Gauge / 40mm
Connectors: Stealth Bullet
Length: 44.7mm (1.8")
Diameter: 27.65mm (1.1")
Shaft Length: 9mm (0.35")
Shaft Diameter: 2.3mm (0.09")
Input Voltage: 7.2V Max
