Tuning The Sealed Gear Differentials; Installing The Long Travel Rockers; Remove Shock Absorbers; Install Long Travel Shock Springs - Traxxas Revo 5310 Owner's Manual

The following gear ratio chart shows the available combinations with
optional spur gears, clutch bells, and two-speed gear sets.
With 14T Clutch Bell
2nd gear sets Gear
1st
17T/39T
(Standard)
2nd
1st
16T/40T
(Close)
2nd
1st
18T/38T
(Wide)
2nd
With 15T Clutch Bell
(Standard)
2nd gear sets Gear
1st
17T/39T
(Standard)
2nd
1st
16T/40T
(Close) 2nd
1st
18T/38T
(Wide)
2nd
With 16T Clutch Bell
2nd gear sets Gear
1st
17T/39T
(Standard)
2nd
1st
16T/40T
(Close)
2nd
1st
18T/38T
(Wide)
2nd

Tuning The Sealed Gear Differentials

Revo's front and rear gear differentials allow the left and right wheels to
spin at different speeds while turning so that the tires do not scuff or skid.
This decreases the turning radius and increases steering performance.
The performance of the differentials can be tuned for different driving
conditions and performance requirements. The differentials are filled with
silicone differential fluid, and are sealed to maintain consistent
long-term performance. Changing the oil in the differential with either
lower or higher viscosity oil will vary the performance characteristics of the
differentials.
Changing to a higher viscosity oil in the differential will reduce the
tendency for engine power to be transferred to the wheel with the least
traction. You may notice this when making sharp turns on slick surfaces.
The unloaded wheels on the inside of the turn have the least traction and
tend to spin up to extremely high rpms. Higher viscosity (thicker) oil causes
the differential to act like a limited-slip differential, distributing more equal
power to the left and right wheels. Revo will generally benefit from higher
# of Spur Gear Teeth
viscosity oil when climbing, rock crawling, or racing on low traction
36 38 40
surfaces. Note: Heavier oil will allow power to be transferred even with
24.21 25.55 26.9
one or more tires off the ground. This can make the vehicle more likely
16.79 17.72 18.66
to overturn.
24.21 25.55 26.9
18.30 19.31 20.33
From the factory, both the differentials are filled with SAE 30,000W
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viscosity silicone oil. Only use silicone oil in the differentials. Traxxas sells
15.45 16.31 17.17
SAE 10,000W and SAE 50,000W viscosity oil (see your parts list). The
# of Spur Gear Teeth
differentials have to be removed from the vehicle and disassembled to
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change/replace oil.
22.59 23.85* 25.1
15.67 16.54* 17.41

Installing the Long Travel Rockers

22.59 23.85 25.1
Use the exploded views included with the model to aid in the installation
17.08 18.03 18.97
process. All of the rockers have labels identifying their proper location; RF
22.59 23.85 25.1
14.42 15.22 16.02 (right front), LF (left front), RR (right rear), and LR (left rear). Note: The
exhaust system must be removed to access the rear rocker arms.
# of Spur Gear Teeth
36 38 40

1. Remove shock absorbers

21.18 22.36 23.54
Remove the screws that secure the shocks to the chassis shock mounts,
14.69 15.51 16.32
and to the rocker arms.
21.18 22.36 23.54
16.01 16.9 17.79

2. Install long travel shock springs

21.18 22.36 23.54
Replace all four of the 90mm travel shock springs with the four 120mm
13.52 14.27 15.02
long travel shock springs. The front shock springs are indicated by a silver
*stock configuration out of the box
dot, and the rear shock springs are indicated by a blue dot.
3. Install long travel rockers
Replace the 90mm travel rockers with the long travel rockers by removing
the four 4x6 buttonhead cap screws from the rocker pivot posts. Remove
the 5x11 ball bearings from the rockers. Install the same 5x11 ball bearings
in the long travel rockers. Secure the long travel rockers to the pivots with
the same 4x6 buttonhead cap screws.
4. Locate push rods
Make sure that all four of the suspension push rods are located
and secured into the middle position (marked LT) on the lower
suspension arms.
5. Reinstall shock absorbers
Reinstall all four shock absorbers back into their respective locations.
Advanced Tuning Adjustments
Use higher viscosity
(thicker) oil for:
More power to the wheels
with the most traction.
Racing on low-traction
smooth surfaces .
Better performance for
climbing on uneven terrain.
Using lower viscosity
(thinner) oil for:
More power to the wheels
with least traction.
Racing on low-traction
rough surfaces.
Revo • 45