HELPFUL HINTS
✔ Avoid working over a deep pile carpet. If you drop a small part or screw,
it may be dif cult to nd.
✔ Place a mat or towel over your work area. This will prevent parts from rolling off and will protect the work surface.
✔ Avoid running the car in cold weather. The plastic and metal parts can become brittle at low temperatures.
In addition, grease and oil become thick, causing premature wear and poor performance.
MAINTENANCE
BEFORE EACH RUN
✔ IMPORTANT:
Check to make sure that
all screws are tight. Check that the servo
saver screw is fully tightened to ensure that
your Rally Car tracks straight.
✔ Always check the condition of your
radio system batteries and replace if
necessary.
✔ Check to make sure that all of the
moving parts of the Rally Car move
freely and do not bind.
✔ Turn on the radio and make sure the
servo moves easily and in the proper
direction.
✔
Check for any broken or damaged parts.
Replace them before running the Rally
Car. Running the Rally Car with broken
or damaged parts could damage
additional parts.
✔ Check to make sure that all wires are
properly connected.
AFTER EACH RUN
✔ Clean any debris from the chassis and
moving parts.
✔ Check for any broken or damaged parts.
Replace them before the next run.
✔ Disconnect and remove the battery
from the chassis.
AFTER EVERY 10 RUNS
✔ Check to make sure that the bearings
are free of dirt and debris, and roll
smoothly.
✔ Check the shocks for oil leakage.
✔ Check the tires to make sure they are
still properly glued to the rims.
HARDWARE CHART
2x10MM FLAT HEAD SCREW
H
2x14MM FLAT HEAD SCREW
J
2.5x8MM FLAT HEAD SCREW
K
2.5x8MM SOCKET HEAD SCREW
L
2.5x14MM SOCKET HEAD CAP SCREW
M
3x6MM SOCKET HEAD SCREW
N
2x8MM ROUND HEAD
SHOULDER SCREW
P
3x3MM SET SCREW
Q
3MM LOCK NUT
R
1.5x6MM E-CLIP
U
2.6x5MM WASHER
S
BODY CLIP (SMALL
)
V
2x15MM SELF-TAPPING
ROUND HEAD SCREW
AA
2x15MM SELF-TAPPING
ROUND HEAD SCREW
JJ
2x6MM SELF-TAPPING
ROUND HEAD SCREW
X
2.5x4MM SELF-TAPPING
ROUND HEAD SCREW
HH
2.5x8MM SELF-TAPPING
ROUND HEAD SCREW
GG
2x4MM ROUND HEAD SCREW
C
2x8MM FLAT HEAD SCREW
G
2x8MM ROUND HEAD SCREW
E
2x10MM ROUND HEAD SCREW
F
6x10MM BALL BEARING
A
8x12MM BALL BEARING
B
3x6MM WASHER
T
ACTUAL SIZE
(
WHEN PRINTED AT 100%
)
™
ASSEMBLY AND MAINTENANCE GUIDE
31
33
32
33
30
32
G
G
B
G
G
B
34
GREASE
GREASE
GREASE
GREASE
NOTE DIRECTION
NOTE DIRECTION
2
2
1
H
H
H
H
1. DIFFERENTIAL ASSEMBLY
2. DIFFERENTIALS TO CHASSIS
3. STEERING ASSEMBLY
4. CENTER SHAFT
18
45
18
40
40
44
40
46
P
P
DO NOT OVERTIGHTEN
(
WILL CAUSE BINDING
)
DO NOT OVERTIGHTEN
(
WILL CAUSE BINDING
)
28
29
27
28
A
B
A
GREASE
GREASE
5. SHOCK TOWERS
6. MOTOR MOUNT
23
71
40
3
7
40
40
3
40
12
11
7
G
V
V
E
E
E
E
E
E
E
G
E
NOTE DIFFERENCE
NOTE DIFFERENCE
T
N
Q
K
K
E
N
T
E
E
E
E
E
39
26
4
25
24
THREADLOCK
THREADLOCK
7. FRONT SUSPENSION
8. REAR SUSPENSION
41
42
41
43
38
37
15
40
9
17
36
35
B
B
DO NOT OVERTIGHTEN
FULLY SEAT BEARINGS
DO NOT OVERTIGHTEN
L
C
H
40
13
18
14
H
L
41
42
41
38
16
36
35
17
40
18
B
FULLY SEAT BEARINGS
C
J
13
J
10
37
B
G
G
G
9. RADIO BOX
10. SHOCK ASSEMBLY
SHOCK OIL
SHOCK OIL
SHOCK OIL
58
55
62
62
59
66
60
56
69
67
65
63
U
U
61
SHOCK OIL
1. Completely ll the
shock body with
shock oil.
2. Slowly move the
shaft up and down
to remove bubbles.
3. Slowly tighten the shock cap
onto the shock body to allow
any remaining air to escape.
5
6
40
49
52
50
51
47
47
48
X
T
F
X
SCREW MUST BE SNUG
CENTER SERVO FIRST
11. REAR SHOCK INSTALLATION
12. FRONT SHOCK INSTALLATION
53
40
S
M
53
40
S
M
13. FRONT BUMPER
14. WHEELS
8
8
21
19
20
E
E
G
JJ
G
E
JJ
E
70
70
R
R
15. BODY
V
V
V
V
HH
HH
75
When tuning the Rally Car make sure that you have equal lengths from one side to the other on the shocks
and upper rods. Also, make sure to have the shock pre-load adjusters at the same setting from left to right.
They do not have to be the same front to rear.
PINIONS
The Rally Car comes stock with the 12 tooth pinion. To obtain higher top speeds you can install a larger pinion
gear onto the motor. This will, however, decrease your acceleration and run time. TIP: Smaller pinion equals
more torque, less top speed. Larger pinion equals more top speed, less torque.
CAMBER
Camber refers to the angle at which the tire and wheel ride
in relation to the ground when viewed from the front or
rear. Negative camber is when the wheels lean inward and
positive camber is when the wheels lean outward. Usually
adding a small amount of negative camber (0° to -2°) will
increase traction. However, adding too much camber will
decrease traction. The objective is to keep as much of the
tire as possible in contact with the running surface. Never
put in positive camber. Make sure that both sides are equal.
SHOCK OIL
The Rally Car comes stock with 30 weight oil in the shocks. The handling can be tuned by changing the
shock oil to either heavier (bigger number) or lighter (smaller number). By putting heavier oil in the shocks,
the car will have less chassis roll and become more responsive. Putting lighter oil in the shocks will cause the
car to be less responsive and have more chassis roll. For smooth, high traction surfaces, a thicker oil would
be best. For low traction or bumpy surfaces, a lighter oil would be best.
FRONT SHOCK ADJUSTMENT
Moving the tops of the shocks out (A) will increase steering
reaction but decrease front traction. Moving the tops of the
shocks in (B) will result in slower steering reaction but will
be smoother over bumps and have more front traction.
REAR SHOCK ADJUSTMENT
Moving the tops of the shocks out (A) will increase steering
reaction and decrease rear traction. Moving the tops of the
shocks in (B) will result in slower steering reaction but will
be smoother over bumps and have more rear traction.
We try very hard to have accurate and up-to-date information in this document. Any errors are unintentional.
dromida.com
DIDC0072 v1.0 © 2016 DROMIDA, A HOBBICO COMPANY
TUNING GUIDE
A
A
B
B
ADJUST LENGTH TO
CHANGE THE CAMBER
2˚ NEGATIVE CAMBER
Loading...