BEFORE YOU START This is a high-competition, high-quality RC car intended for persons aged 16 years and older with previous experience building and operating RC model racing cars. This is not a toy; it is a precision racing model. This model racing car is not intended for use by beginners, inexperienced customers, or by children without direct supervision of a responsible, knowledgeable adult.
IMPORTANT NOTES – ELECTRICAL • Insulate any exposed electrical wiring (using heat shrink tubing or electrical tape) to prevent dangerous short circuits. Take maximum care in wiring, connecting and insulating cables. Make sure cables are always connected securely. Check connectors for if they become loose. And if so, reconnect them securely. Never use RC models with damaged wires. A damaged wire is extremely dangerous, and can cause short-circuits resulting in fire.
TOOLS REQUIRED Allen 1.5mm (#111545 - HUDY EXCLUSIVE Limited Edition) Combination Pliers (HUDY #189020) Allen 2.0mm (#112045 - HUDY EXCLUSIVE Limited Edition) Arm Reamer 3.0mm (#107643 - HUDY EXCLUSIVE Limited Edition) Side Cutters (HUDY #189010) Socket 5.5mm (#175535 - HUDY EXCLUSIVE Limited Edition) Socket 7.
NOT INCLUDED Follow Set-Up Book: To ensure that you always have access to the most up-to-date version of the Set-up Book you can download the HUDY Set-up Book from their web site at [www.hudy. net] By offering this online version instead of including a hardcopy printed version in kits, you will always be assured of having the most current updated version.
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1. FRONT & REAR DIFFERENTIAL CARPET Front diff Silicone oil CARPET DIRT 964031 OIL 10.000cSt 7.000cSt Fill just above the cross-pins. S 3.5x10x0.2 DIRT Rear diff Silicone oil 10.000cSt 7.000cSt CARPET DIRT Fill just above the cross-pins. PROPER AMOUNT OF OIL IN THE DIFFS Use a digital scale to measure the exact amount of oil in the diff. Remember that during operation the diff gets hotter and the heat may allow the oil to expand.
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1. CENTER GEAR DIFFERENTIAL DIRT Center diff OIL Silicone oil 100.000cSt Fill just above the cross-pins. 964031 S 3.5x10x0.2 PROPER AMOUNT OF OIL IN THE DIFFS Use a digital scale to measure the exact amount of oil in the diff. Remember that during operation the diff gets hotter and the heat may allow the oil to expand. If there is too much oil inside it may interfere with the diff operation and damage the internal gears. Fill differential up to the top of the diff cross-pins.
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CARPET 2.
DIRT 2.
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CARPET 2. FRONT CENTRAL TRANSMISSION NOTE ORIENTATION ➌ NOTE ORIENTATION DETAIL 902305 SH M3x5 1 DOT ANGLED HUB ➋ 8x14x4mm OIL ➊ OIL Bearing with BLUE rubber covers 940510 BB 5x10x4 GRAPHITE GREASE (HUDY #106210) ➍ 5x10x4mm Bearing Oil (HUDY #106230) ➎ NOTE ORIENTATION THREAD LOCK ➏ DETAIL 940815 CARPET 981208 REAR BEVEL DRIVE GEAR & DIFFERENTIAL HEIGHT ADJUSTMENT BB 8x14x4 P 2x8 1 DOT ANGLED HUB EXTREME WARNING 1 DOT MIDDLE DOWN 1 DOT=1 DOT INITIAL SETTING BEVEL GEAR ADJ.
DIRT 2. FRONT CENTRAL TRANSMISSION NOTE ORIENTATION ➌ 902305 ANGLED HUB 3 DOTS SH M3x5 ➋ ➊ OIL NOTE ORIENTATION 8x14x4mm Bearing Oil (HUDY #106230) GRAPHITE GREASE (HUDY #106210) ➍ 5x10x4mm Bearing with BLUE rubber covers 940510 OIL DETAIL ➎ NOTE ORIENTATION THREAD LOCK BB 5x10x4 ➏ DETAIL 940815 DIRT 981208 REAR BEVEL DRIVE GEAR & DIFFERENTIAL HEIGHT ADJUSTMENT BB 8x14x4 P 2x8 3 DOTS ANGLED HUB EXTREME WARNING 3 DOTS LOWEST 3 DOTS=3 DOTS INITIAL SETTING BEVEL GEAR ADJ.
3. REAR SUSPENSION CARPET DIRT 903312 363123-H (LONG) 362315 363325 367210 363113-H (LONG) 362315 363113-H 363123-H 901304 363316 903312 902308 362006 362478 362473 CARPET DIRT 901303 303431-K 303454 Remove the 3x6.5x2mm shim from each rear arm. 901308 SHORT REAR SUSPENSION ARM 303454 #363112-H RIGHT HARD OPTION #363122-H LEFT OPTION ANTI-ROLL BARS #362470 1.0mm OPTION #363112-G RIGHT GRAPHITE OPTION #362471 1.1mm OPTION #363122-G LEFT #362472 1.
CARPET 3. REAR SUSPENSION DIRT From Rear Arm SHIM 3x6.5x2 Composite eccentric bushings 903312 Marked “L” ➍ ➌ CARPET SFH M3x12 INITIAL SETTING 0.5° 1° ➊ DIRT ➋ INITIAL SETTING 0.5° 1° NOTE ORIENTATION Marked “R” ➌RF 2mm ➊ ➍ Composite eccentric bushings If the suspension arm does not move freely use a HUDY Arm Reamer to size the holes of the arms. CARPET INITIAL SETTING 1° 0.5° Arm Reamer 3.0mm (HUDY #107633) DIRT INITIAL SETTING 1° 0.
3. REAR SUSPENSION 2x CARPET DIRT L=R 901308 SB M3x8 DETAIL 1.5mm 4mm DETAIL 901303 SB M3x3 STEP ➌ DETAIL INITIAL SETTING 0~1mm ANTI-ROLL BARS #362470 1.0mm OPTION #362471 1.1mm OPTION #362472 1.2mm OPTION #362473 1.3mm INCLUDED 901304 SB M3x4 #362474 1.4mm OPTION L=R 902308 #362476 1.6mm OPTION #362478 1.8mm INCLUDED #362480 2.
CARPET 3. FRONT SUSPENSION DIRT 903312 362315 362323 367210 362112-H 362313 362315 362112-H (SHORT) 903312 901303 362478 362472 303454 901308 303431-K 361201 CARPET 902308 DIRT 362006 901304 303454 902308 ANTI-ROLL BARS #362470 1.0mm OPTION #362471 1.1mm OPTION #362472 1.2mm INCLUDED #362473 1.3mm OPTION #362474 1.4mm OPTION #362476 1.6mm OPTION LONG FRONT SUSPENSION ARM #362478 1.8mm INCLUDED #362113-H HARD OPTION #362113-G GRAPHITE OPTION #362480 BAG 2.
3. FRONT SUSPENSION CARPET DIRT From Front Arm SHIM 3x6.5x2 ➍ ➌ ➊ 903312 SFH M3x12 ➋ Composite eccentric bushings CARPET DIRT INITIAL SETTING 0.5° 1° 2mm ➌ 2mm ➊ ➍ Composite eccentric bushings CARPET DIRT INITIAL SETTING 0.5° 1° If the suspension arm does not move freely use a HUDY Arm Reamer to size the holes of the arms . Arm Reamer 3.
CARPET 3. FRONT SUSPENSION 2x DIRT L=R 901308 SB M3x8 DETAIL 1.5mm 4mm 902308 SH M3x8 DETAIL 901303 SB M3x3 901304 SB M3x4 STEP ➌ DETAIL ANTI-ROLL BARS INITIAL SETTING 0~1mm #362470 1.0mm OPTION #362471 1.1mm OPTION #362472 1.2mm INCLUDED #362473 1.3mm OPTION #362474 1.4mm OPTION #362476 1.6mm OPTION #362478 1.8mm INCLUDED #362480 2.0mm OPTION 3x3mm ➌ L=R 902308 SH M3x8 ➋ ➊ 3x4mm 3x8mm DETAIL DETAIL Step ➊ check for free movement.
CARPET 4.
CARPET 4. REAR TRANSMISSION 2x DIRT L=R 940513 BB 5x12x4 DRIVE SHAFT (77mm) ➌ ➋ ➊ 941014 Use HUDY Ball-Bearing Grease #106220 - STANDARD #106221 - BLUE #106222 - RED BB 10x15x4 980210 #106210 HUDY GRAPHITE GREASE #106213 HUDY JOINT GREASE - OPTION ➏ ➍ LONG AXLE P 2x10 ➑ 902205 SH M2x5 WHEEL HUBS 12MM 10x15x4mm ➎ #365360 +4.5mm 6 SLOTS OPTION #365359 +3.75mm 5 SLOTS OPTION #365358 +3.0mm 4 SLOTS OPTION #365357 +2.25mm 3 SLOTS INCLUDED #365356 +1.
4. REAR TRANSMISSION CARPET Ensure that the rear upright moves freely. If it does not move freely, use sandpaper to thin both wheelbase adjustment shims. 306219 SHIM 3x6x1 DIRT LONGER WHEELBASE Adjustment Shim IN FRONT OF HUB moves hub rearward. ARM 306219 SHIM 3x6x2 2mm 902254 SH M2.5x4 1mm DETAIL Check for free movement. SHORTER WHEELBASE Adjustment Shim BEHIND HUB moves hub forward.
4. FRONT TRANSMISSION CARPET DIRT 362651 WHEEL HUBS 12MM 960030 #365360 +4.5mm 6 SLOTS OPTION #365359 +3.75mm 5 SLOTS OPTION #365358 +3.0mm 4 SLOTS OPTION #365356 +1.5mm 2 SLOTS INCLUDED 362652 302665 #365355 +0.75mm 1 SLOT OPTION #365353 0mm 362210-H 0 SLOTS INCLUDED 362651 #365354 -0.75mm Lightw. OPTION 362280 #365361 -1.25mm Lightw.
4. FRONT TRANSMISSION 2x L=R CARPET FRONT DRIVE SHAFT (2.
4. FRONT TRANSMISSION 2x 901306 SB M3x6 CARPET DIRT Check for free movement. L=R DO NOT OVERTIGHTEN ARM REAMER ➋ 9mm (HUDY #107633) 20mm If the C-hub does not move freely, use a HUDY Arm Reamer to resize the hole. SHO RT LON G NOTE ORIENTATION 1:1 2x L=R ➊ 2x L=R 8mm THREAD THREAD THREAD L=R CARPET DIRT 33.4mm Install the pivot balls with Professional Multi Tool (HUDY #183011). 10mm THREAD CAMBER 2x NOTE ORIENTATION L=R 362280 CON.
CARPET 4.
CARPET 4.
4. FRONT & REAR ASSEMBLY CARPET DIRT 902314 SH M3x14 After you mount the rear suspension assembly to the chassis, fully tighten all 4 screws that were previously left untightened (page 29 , step 2). 903310 SFH M3x10 DETAIL 902312 SH M3x12 903310 SFH M3x10 After you mount the front suspension assembly to the chassis, fully tighten all 3 screws that were previously left untightened (page 29, step 2).
4. FRONT & REAR ASSEMBLY CARPET DIRT #366161 Choose the diameter of O-ring to best eliminate play between the battery and post without being too tight. 6x5mm 902318 SH M3x18 ORIENTATION FOR LOW BATTERY PACK 6x4mm Battery (NOT INCLUDED) 6x3mm 6x2mm ORIENTATION FOR STANDARD BATTERY PACK 903310 SFH M3x10 Hold the battery holder with Professional Multi Tool (HUDY #183011). Select the battery mount position to match the battery pack length.
CARPET 5.
5. STEERING CARPET DIRT THREAD LOCK 970100 O 10x1.5 INITIAL PRELOAD SETTING DETAIL OIL 1~2mm CLEANER SERVO SAVER NOTE ORIENTATION STEERING PLATE #362571 HARD INCLUDED #362571-G GRAPHITE OPTION #362575 ALU OPTION 902310 SH M3x10 Increases steering precision and predictability and is recommended for use in high-traction conditions. Includes extra Ackermann positions for very precise steering adjustment.
CARPET 5. STEERING DIRT 903308 SFH M3x8 2x L=R 2x L=R THREAD 31.2mm 10mm Thread Install the pivot balls with Professional Multi Tool (HUDY #183011). CARPET DIRT THREAD 2x L=R 303125 SHIM 3x6x3 362280 CON. SHIM 3x6x2 NOTE ORIENTATION Adjustment block towards outside. view DETAIL 3mm CONICAL SHIM 2mm NOTE ORIENTATION INITIAL POSITION DETAIL NOTE ORIENTATION Adjustment block towards outside.
6. SLIPPER CLUTCH ASSEMBLY CARPET 361321 902308 361189 361159 364125 902308 941015 CENTER DIFF CONVERSION #365101 XRAY XB4 ACTIVE DIFF. CENTER - SET #364904 XRAY XB4 CENTER DIFF.
CARPET 6. SLIPPER CLUTCH ASSEMBLY 901304 DETAIL SB M3x4 13mm P 2x10 Apply a drop of One-Way Bearing Oil after every 1-2 hours of driving to increase lifespan. A dry one-way bearing may cause damage or failure. ASSEMBLY VIEW NOTE ORIENTATION 930126 BA 2.6x6x1 # 106231 HUDY ONE-WAY BEARING OIL Thread lock apply to Inside thread. 980210 (6x) carbide balls GRAPHITE GREASE (HUDY #106210) 100% FULLY TIGHTEN ➋ 2.0mm ➊ 2.
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CARPET 6. SLIPPER CLUTCH ASSEMBLY VERY IMPORTANT! It is very important that you NEVER FULLY TIGHTEN the Slipper Clutch. Overtightening the Slipper Clutch may result in breakage of the diff crown gear and pinion gear. CENTRAL SLIPPER CLUTCH ADJUSTMENT 13mm The Slipper Clutch can be adjusted by loosening the setscrew and then, while keeping the tool in the set-screw to prevent movement of the collar, rotating the spur gear by hand as indicated in the drawing.
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CARPET 7. SHOCK ABSORBERS DIRT PISTONS DETAIL 2 holes 2 holes (1.6mm) (1.7mm) 368010 965023 368031 Thick Shim 368161 363240 902205 0 holes (Create custom holes) (0mm - use required drill pin) Thick Shim Thin Shim 368121 970120 306219 2 holes 2 holes (1.6mm) (1.7mm) 970080 368260 0 holes (Create custom holes) (0mm - use required drill pin) 972031 These pistons can NOT be used in shocks without making the custom holes by yourselves.
7. SHOCK ABSORBERS CARPET 4x ➋ ➌ 965023 There are two different thickness shims, use them as shown. Use the same procedure when building both front and rear shocks. ➊ C 2.3 FRO NT 2 holes (1.6mm) 970080 O 8x1 2x - SH ORT DIRT THICK Shim SHO CK R O-ring OD THIN Shim 972031 O 3x2.1 INITIAL PISTON SETTING O-ring 2 holes (1.
CARPET 7. SHOCK ABSORBERS DIRT IMPORTANT UP-STOP TRAVEL SETTINGS It is very important to have properly set the up-stop travel to avoid damage to the drive shaft and diff outdrives. ENSURE NO COLLISION UP-STOP SHIM To avoid collision of the drive shaft with diff outdrives use the up-stop travel shims to set-up the up-stop travel.
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8. FINAL ASSEMBLY CARPET SERVO LINK Adjust servo link to fit your servo. DIRT 28mm THREAD THREAD 6mm THREAD INITIAL SETTING Install the pivot balls with Professional Multi Tool (HUDY #183011). CARPET DIRT 6mm THREAD 3x6mm 902306 HUDY ALU SERVO HORNS #293497 23T #293498 24T #293499 25T NOTE ORIENTATION SH M3x6 902308 Servo (NOT INCLUDED) SH M3x8 961032 SHIM S 3.
8. FINAL ASSEMBLY CARPET DIRT Motor (NOT INCLUDED) NOTE ORIENTATION 902310 SH M3x10 ➌ NOTE ORIENTATION ➊ ➋ Pinion (NOT INCLUDED) PINIONS ➊ ➋ ➊ Loosen the screw. ➋ Insert motor into the bulkhead. ➊ Adjust gear mesh. ➋ Tighten the screw.
CARPET 8. FINAL ASSEMBLY 903310 SFH M3x10 DIRT #107876 HUDY ULTRA THIN DOUBLESIDED TAPE - SINGLE STRIP (5) Speed Controller (NOT INCLUDED) #107875 DOUBLE-SIDED TAPE ANTENNA ALTERNATIVE (OPTION) Receiver (NOT INCLUDED) Antenna #306310 (NOT INCLUDED) Mount #306301 (NOT INCLUDED) #107876 HUDY ULTRA THIN DOUBLESIDED TAPE - SINGLE STRIP (5) #107875 DOUBLE-SIDED TAPE Remove nut. Install antenna mount.
CARPET 8. FINAL ASSEMBLY DIRT Install STANDARD or LOW battery pack Battery (NOT INCLUDED) CUT Self-adhesive Foam Strip (#107871 HUDY) WING CUTTING LINE OPTIONS 903308 SFH M3x8 HIGHER Side line For LOWER traction tracks LOWER Side line (INITIAL POSITION) For HIGHER traction tracks SCISSORS (HUDY #188990) BODY REAMER (HUDY #107602) REAR WING SHIM #293561 SILVER OPTION #293561-O ORANGE OPTION #293561-K BLACK OPTION XRAY LEXAN REAR WING #323510 1.0mm OPTION #323511 1.5mm OPTION #323513 1.
8. FINAL ASSEMBLY CARPET ➊ Before cutting and making holes on the BODY, put the unpainted body on the chassis to confirm the mounting position and location for holes and cutouts. Before cutting and making holes on the WING, put the unpainted wing on the wing holders to confirm the mounting position and location for holes and cutouts. ➋ Before painting, wash the inside of the body with mild detergent, and then rinse and dry thoroughly. DIRT ➍ Apply paint masks as appropriate.
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MAINTENANCE SHOCK MAINTENANCE The most important maintenance task for keeping consistent shock performance is refilling and bleeding them correctly. If built correctly, it will not be necessary to re-build them often. Replacing warped/hard o-rings, scarred piston rods, or shaved/split/loose composite upper and lower ball joints are also important. • For club racing, it is recommended to check the shocks for air inside before each race and only re-fill and bleed them if necessary.
APPLIED APPLIED RACE ALU C-HUB SHIM TRACK NAME LONGER BUSHINGS DRIVE SHAFT UP DOWN CVD ECS Lenght /mm /mm DATE 3 4 12 4 3 21 REAR UPRIGHT DRIVE SHAFT Lenght LAPS BEST LAP TIME STEERING BLOCK FINAL POSITION QUALIFYING POSITION OPEN TIGHT MEDIUM TRACTION MEDIUM VERY-LOW SURFACE SMOOTH MEDIUM BUMPY TYPE CLAY CARPET ASTRO CONDITION BLUE GROOVE HARD PACKED DRY DUSTY LOAMY WET FRONT MIDDLE REAR GEAR DIFF SLIPPER ACTIVE DIFF GEAR DIFF BALL DIFF ACTIVE DIFF mm CASTER
199183 108201 104004 108205 108203 108204 106000 + 106036 109801 107701 181090 107740 107742 181030 293110 108190 54 104004 105500 105520 106000 106036 107090 107601 107701 107740 107742 107855 107880 HUDY AIR VAC - VACUUM PUMP - 1/10 OFF-ROAD HUDY UNIVERSAL TIRE BALANCING STATION WHEEL ADAPTER FOR 1/10 TOURING CARS - 12MM HUDY DRIVE PIN REPLACEMENT TOOL (FOR 3MM PINS) EJECTOR PIVOT PIN & ALTERNATING PIVOT 2.
199270 107855 109880 199060 298100 105520 108160 109840 183011 107090 107601 177035 105550 175535 108905 108960 112045 132045 109860 111545 153055 107880 188990 111545 112045 132045 153055 175535 177035 181030 181090 183011 188990 199060 199183 LIMITED EDITION - ALLEN WRENCH # 1.5MM LIMITED EDITION - ALLEN WRENCH # 2.0MM LIMITED EDITION - ALLEN WRENCH + BALL REPL. TIP # 2.0MM LIMITED EDITION - SLOTTED SCREWDRIVER # 3.0MM - LONG LIMITED EDITION - SOCKET DRIVER # 5.
RC AMERICA, 2030 Century Center Blvd #15, Irving, TX 75062, USA PHONE: 214-744-2400, FAX: 214-744-2401, xray@rcamerica.
