WRC STX-8 User manual

INTRODUCTION
SAFETY PRECAUTIONS
Instruction Manual MUST be read and fully understood before to start building and operating
functions.
Always keep Instruction Manual in safety place, ready to be consulted for any reference you need.
Use only original WRC spare parts.
GENERAL INFORMATION
Assemble the kit only away from the reach of children.
Follow the building and operating instructions using the utmost care.
Don't put any part of your body inside rotating and moving elements as this may cause damage or
serious injury.
Check and clean the model before putting it away.
Don't use your model car in public places or in roads and areas where it could generate conflict with
person or vehicular traffic.
The model car is controlled by radio: you MUST put great care to avoid loss of radio control always
keeping a safety margin all around your model in order to prevent any collision.
Operating frequency: check and be sure it is clear and not shared with anybody at same time; it could
cause loss of control of the RC model.
Always turn on your transmitter before you turn on the receiver in the car and always turn off the
receiver before you turn off your transmitter.
Keep the wheels of the model off the ground when checking the operation of the radio equipment.
Disconnect the battery pack before storing your model.
WARRANTY
WRC guarantees this model kit to be free from defects in both material and workmanship within 30
days of purchase.
The total monetary value under warranty will in no case exceed the cost of the original kit
purchased.
This warranty doesn't cover any compnents damaged by use or modification or as result of wear.
Part or parts missing from this kit must be reported within 30 days of purchase.
No part or parts will be sent under warranty without proof of purchase.
If you find a defective or missing part, contact the local distributor.
Customer service and support will be provided through local hobby store.
No warranties are expressed or implied that cover damage caused by what is considered normal
use or cover or imply how long any model cars' components or electric components will last before
requiring replacement.
Due to the high performance level of this model car you will need to periodically maintain and
replace consumable components; any and all warranty coverage will not cover replacement of any
part or component damaged by neglect, abuse or improper or unreasonable use.
This includes but is not limited to damage from crashing, excessive moistur, improper use or no
maintenance or user modifications which compromise the integrity of components.
Warranty will not cover compnents that are considered consumable on RC model car.
WRC doesn't pay nor refund on any component sent from WRC or its distributor for warranty.
WRC reserves the right to make final determination of the warranty status of any component or part
Use only original WRC spare part:
CUSTOMER SUPPORT
Please don't hesitate to contact WRC support at [email protected] for any problem or question.
Also kindly visit our website www.wrc-racing.com to find last updates, set-up information, option
parts and other information.
W.R.C. world racing car s.r.l.
Via A. Volta, 2 bis
36040 Brendola (VI)
ITALY
Phone: [phone]
E-mail: [email protected]
Website: www.wrc-racing.com
STX is a new generation high quality 1/10 scale touring car.
STX is supplied in a box equipped with Instruction Manual.
Its use is intended for more than 16 years old persons with experience on rc model car field.
Children and all the persons without this requirement MUST have direct supervision of a
knowledgeable adult responsible.

TECHNICAL INFORMATION TECHNICAL DATA
ADDITIONAL ITEMS NEEDED FOR COMPLETION (REQUIRED BUT NOT INCLUDED IN THE KIT)
ELECTRIC MOTOR
PINION GEAR
TOOLS REQUIRED
THESE TOOLS ARE NOT INCLUDED IN THE KIT BUT ARE REQUIRED FOR PROPER ASSEMBLY
LOW PROFILE STEERING SERVO
TRANSMITTER
THE FOLLOWING ITEMS ARE NEEDED FOR COMPLETION OF THE STX; THEY ARE NOT INCLUDED IN THIS KIT (UNLESS NOTED) AND
SHOULD BE OBTEINED FROM YOUR LOCAL HOBBY SHOP.
BE SURE TO READ THE INSTRUCTION COMPLETELY PRIOR TO ASSEMBLY
NOTICE:
RECEIVER
BATTERIES
FOR TRANSMITTER
WHEEL - TYRES - INSERTS
LIPO BATTERY
2
LEXAN BODY +
DECALS
INCLUDED
ALLENS:
1.5 mm
2 mm
3 mm
SOCKET
5mm
7mm
SIDE CUTTERS COMBINATION PLIERS
TOOL FOR
TURNBUCKLES/NUTS
GREASE OILS:
BEARING OIL
SILICONE OIL
- TRANSMISSION: 4 DRIVE WHEELS
- BODY: TOURING MODEL (NOT INCLUDED)
- ADJUSTABLE FRONT TOE, CAMBER AND CASTER
- ADJUSTABLE REAR TOE AND CAMBER
- BUMPER /FRONT BACKSTOP
- CARBON CHASSIS
- FULL BALL BEARING
- DIFFERENTIAL GEAR
- LENGHT ............................................. 373 MM.
- WIDTH .............................................187 MM.
- ADJUSTABLE WHEEL BASE ............MIN. 250 MM. - MAX 256 MM.
- WEIGHT CHASSIS............................. 515 GR.
SCISSORS
SPEED CONTROLLER

3
OPTIONAL
03019-3 BR (brass)
Weight: 4gr.
03007-5
03019-3
92001
M3 x6
03072-3
(1mm)
500104
OPTIONAL
500104-1 ALU 7075 T6
03019-3
03072-3 (1mm)
92001
M3x6
03007-5
BAG 1
Rear Bulkheads
Front Bulkheads

03089-3
500004-1
95006
8906
5x10x0.1
97006
Ø2x9
500004-3
500004-2
97031
Ø2x16
1
3
2
03089-3
500004-1
95006
8906
5x10x0.1
97006
Ø2x9
500004-3
92034
M2.5 x12
95020
31x1
Rear Differential Gear
SILICONE OIL 1000 Q.ty 1g
4
BAG 2
FOLLOW CLOSELY THE INSTRUCTIONS, THIS DIFF GEAR
HAS TO BE MOUNTED CORRECTLY TO WORK WELL
If the gears are alligned the 2 sides of
the Diff should close easily.
DON'T FORCE IT TO CLOSE
4

RC 4087 (87T)
03004 20T
03004-1
03004-1
03004 20T
90000
5x10x4
90000
5x10x4
93004
M3 x12
500033-2
500033-1
500033-2
93004
M3 x12
Solid Front Axel
Central Transmission
5
BAG 3
BAG 4
RC6092 92 T
RC6096 96 T
RC60100 100 T
RC60104 104 T
RC60106 106 T
RC60108 108 T
RC60110 110 T
RC60112 112 T
RC60114 114 T
RC60116 116 T
RC60118 118 T
SPUR GEAR P64
RC4078 78 T
RC4084 84 T
RC4087 87 T
SPUR GEAR P48

93002
M3 x8
03065
447T
03066
255T
92001
M3 x6
90006
10x15x4
03015
90006
10x15x4
500202
BAG 5
92001
M3 x6
500201
93001
M3 x6
90006
10x15x4
03294
03015
03294
0301503015
03015
03294
03294
03002-6
03002-6
93002
M3 x8
FRONT BELT ADJUSTMENT
94009
93004
M3 x12
90021
4x7x2.5
90021
4x7x2.5
03075
Belt Tensioner
Transmission
6
+
-
-
+
REAR BELT ADJUSTMENT

98007
M4X8
03048-1-S
98005
M3X8
03048-2
03048-2
93009
M2 x 5
X2
03048-1-H (hard)
03003
(short)
X2
OPTIONAL
LEFT SIDE SHOWN ABOVE
2.2
20
3
98005
M3X8
03049-1-S
98007
M4X8
03035-4
03049-1-H (hard)
OPTIONAL
2.2
2,5
Front Lower Arms
Rear Lower Arms
7
BAG 6
LEFT SIDE SHOWN ABOVE

46 42
0°
3°
FR RF
FR
RF
FF RR
Front Arm Angles Diagram
1 3.5 1 33 1.51.5 22 2.52.5 2 2.5 2.5 2 3 1.5 3 1.5 1 3.5 1 3.53.5
1
3
1
2
3.5
2.5
3.5
2.5
1.5
2
1.5 1.5
3.5
2
3 1.5
2.5
1
3
2.5
3.5
3
2
1
Rear Arm Angles Diagram
FF
RR
1
2
3
3.5
2.5
3
1
2.5
1.5 3
2
3.5
1.51.5
2
1.5
2.5
3.5
2.5
3.5
2
1
3
1
3.5 3.5 1 3.5 1 1.5 3 1.5 32 2.52.5 2 2.5 2.5 2 2 1.5 1.5 3 31 3.5 1
BAG 7
8

03072-3 (1mm)
03018
92001
M3 x6 03018-1
03040
03200-2
3x6x2
03048
97012
Ø3x45
03040
03018-1
03018-1
03040
03200-2
3x6x2
97010
Ø3x50
03049
03200
3x6x2
03072-3 (1mm)
92001
M3 x6
03200-1
3x6x1
03040-1 (brass)
03018
03018-BR (brass)
Weight: 8gr.
OPTIONAL
OPTIONAL
9
BAG 7
Front Lower Arms Mounting
Rear Lower Arms Mounting
OPTIONAL CARBON
03072-100
sp.1mm
03072-50
sp.0.5mm
03072-25
sp.0.25mm

03054-1
03026
90020
5x10X3
90020
5x10x3
Ø 2
03312-2
92001
M2.5x5
03082-5.0
91003
M2X5
97005
Ø2x10
OPTIONAL
03071-DX
93003
M3x10
03076
(long)
03075
(short)
03071-SX
Ø 2
03056-1
90000
5x10x4
03027
90000
5x10x4
03082-5.0
91003
M2x5
97005
Ø2x10
Left & Right Front Hub
RIGHT SIDE SHOWN ABOVE
Rear Hub
1o
BAG 8
03082-5.5
03082-6.0
03082-5.5
03082-6.0
OPTIONAL
X2
OPTIONAL
03312
ALU 7075 T6
X2

03035-4
03035-10
98000
M3X3
03050
03050
93001
M3 x6
03033-6
03200-2
03200-1
98000
M3X3
03050
03035-10
03035-4
03032-7
93001
M3 x6
03050
98000
M3X3
03035-10
03200-2
03200-2
OPTIONAL
03035-6 (6mm)
15,5 0300303003
03061-32.5
15 0300303003
03061-32.5
11
Front Upper Arms
Rear Upper Arms
BAG 9

93001
M3 x6
92003
M3 x10
93001
M3 x6
03055
servo
(not included)
03055
03035-10
93001
M3 x6
03461
93002
M3 x8
500024-1
93002
M3 x8
93001
M3 x6
03055
Adjust the distance from the servo lever to the
ball as needed using the alu shims.
93001
M3 x6
03200-1
Steering levers
500031
500031
90019
5x8 flanged
90019
5x8 flanged
500022
93001
M3 x6
03035-4
03035-4
93001
M3 x6
90021
4x7x2.5
90019
5x8 flanged
500023
03200-1
12
BAG 1o
Servo

BAG 11
03035-4
Upperdeck
Steering Arms
93001
M3 x6
500406-1
93001
M3 x6
500406-2
93001
M3 x6
9,5
03003
03061-20
03003
24
03003
03061-40
03003
OPTIONAL
500406-3
One piece upperdeck
13

90016
4x7x2.5
03034-1
98000
M3X3
03042
03042
03034-1
90016
4x7x2.5
03003
03003
90016
4x7x2.5
03034-1
98000
M3x3
03035-4
03003
98000
M3X3
98000
M3X3
03035-4
Front Anti Roll Bar
Ø 1.4
03031-4
OPTIONAL
COD
Front Anti Roll Bar Options
03031-2 Ø 1.2
03031-3
Ø 1.3
STANDARD IN KIT
Ø
Rear Anti Roll Bar
Ø 1.5
OPTIONAL
OPTIONAL
03031-5
03031-6
Ø 1.6
14
OPTIONAL
Rear Anti Roll Bar Options
Ø 1.2
Ø 1.3
Ø
Ø 1.5
OPTIONAL
03031-6
03031-4
COD
03031-2
03031-3
OPTIONAL
STANDARD IN KIT
OPTIONAL
03031-5
Ø 1.4
Ø 1.6
OPTIONAL
03031-1
OPTIONAL
Ø 1.1
BAG 12

03170-7
03170-13
95016
02043
02043-10
95013
12x1
03170-12
03170-14
03086
03170-11
99003
02043
3 HOLES
03170-15
03086
03086-3
QUADRI-RING
Shock Absorbers
9
2.5 1.5
CODE CST
SO-350 350
SO-400 400
(IN KIT)
SO-450 450
SO-500 500
SO-550 550
SO-600 600
SO-650 650
SO-700 700
SO-800 800
P-ONE SHOCKS OIL
6
5
43
2
1
SHOCK FILLING
Fully extend the piston rod so the
piston is at the bottom of the shock
body.
Hold the shock upright and fill the
shock body with shock oil as in the
picture.
Let the oil settle and allow air bubbles
to rise to the top.
Slowly move the piston up and down
until no more air bubbles appear.
Add shock oil as necessary.
Pull the piston rod most of the way out
of the shock bod.
Let the shock rest for 5 minutes to
allow the air bubbles to scape.
03170-8
2.6
COLOUR
Force (lb)
2.2
03170-6
2.1
03170-5
SPRINGS
COD
03170-7 2.3
03170-9
BLACK
YELLOW
BLUE
RED
(IN KIT)
FUCHSIA
GREEN
1.4-3.5
1.3-2.9
PROGRESSIVE SPRINGS
03170-10
15
FRONT REAR
BAG 13
02043

93001
M3 x6
03069
03170
93001
M3 x6
03069
03069
Rear Suspensions
Front Suspensions
BAG 13
16

92003
M3 x10
03023-6
03023-5
03467
03467
93004
M3 x12
03025
Adjust the battery holder height according to the
dimension of your battery using the shims.
Width
500407
OPTIONAL
Height
Lenght
Battery Holder Adjustments
500407
This optional battery holder is designed to hold the
battery laterally, it's fixed to the battery using double
side tape. By using this part you can delete the
lateral battery holder .
BAG 14
17
Battery Holder
OPTIONAL

03080
92002
M3X8
03011-2
03016-1
03011-2
92002
M3 x8
92002
M3 x8
03080
Front Body Support and Bumper
Rear Body Support
97005
2x10
500005-1
93001
M3 x6
03068
03081-1
97005
2x10
93002
M3 x8
18
BAG 14

96002
M3 x8
NOT INCLUDED
NOT INCLUDED
NOT INCLUDED
NOT INCLUDED
94011
M4 Flanged
NOT INCLUDED
Body included with car kit
02039
19
BAG 14