1. Tamiya parts and Hop-Up options only No parts from other manufactures unless specified here.
2. Any manufacturer's electronic speed control, radio equipment, servo saver, antenna, antenna mount, pinion and spur gears, ball bearing, tire inserts, motor fan, motor heat sink are allowed in all classes. These parts do not need to be made by Tamiya.
3. 2.4 GHz, 27 MHz or 75 MHz radio system must be used. A minimum of 2 frequencies is required when using 27 MHz and 75 MHz radios.
4. The batteries allowed for the 2009 season are:

a. NiCd and NiMh batteries that are legal for TCS are the same ones found on the ROAR approved list as seen here: ROAR LIST

b. Hard Cased LIPO batteries are legal for all classes. See specific class rules for limitations.

c. TCS legal LIPO batteries must be 7.4 volts 2S-1P/2P specification. TCS legal LIPO batteries may not exceed 5000 MAh capacity. See class specific rules as MAH and C rating may be limited for a particular class. You may use the ROAR approved LIPO list found here as a guide and reference to: the 7.4 Volt 2S-1P batteries that will be permitted for TCS: ROAR LIST

d. NOTE: Despite the ROAR approved list, All TCS legal LIPOS must have a Molded Plastic, Hard Case! Soft case packs are not legal for the TCS series.

e. Sport packs that are readily available at hobby stores are legal as long as they are assembled from the general hobby industry i.e. Orion, Peak, Reedy, Duratrax, Dynamite, Trinity and Hobbico etc.

5. Batteries that are purchased direct from Sanyo, Panasonic, Intellect or Gold Peak that have no hobby industry branding are not legal. These batteries include those that are used in power tools and have a solid colored shrink-wrapping to them. Racers that still own batteries such as the Sanyo NI-CD 2000, 1400, 1700 or 1200 are allowed as long as they have the original hobby industry shrink-wrap.
6. Lipo TECH rule: In the interest of safety and fairness, all LIPO batteries will be volt metered at TECH prior to a "race or qualifying" heat. LIPO batteries exceeding 8.44 volts will not be allowed to race on the track until after they have been discharged through the use of a discharger in tech or pulling throttle.
7. 7. Any Tamiya Hop-Up Option and spare part is allowed as long as it is used in the way it was designed, and on the vehicle it was designed for.
8. Tamiya springs only. Tamiya springs must retain the factory paint/coating. It is illegal to remove the paint/coating from the springs.
9. It is strictly forbidden to cut, mill or lighten the chassis in any class. It is strictly forbidden to re-engineer or modify the car in any way other than with Tamiya Hop-Ups. (This applies to all classes)
10. All bodies must be painted and must be cut along the trim lines. No extra vents or holes may be added to the body.
11. Any motor connector or direct hard wiring to the motor is allowed.
12. Any battery connector or direct hard wiring to the battery is allowed.
13. Tire conditioners are allowed on rubber/foam tires in all classes, but may be restricted at certain venues. (Some TCS host sites do not allow additives due to the track being indoors and the lack of ventilation)
14. New Tire Tech Rule:In order to keep tech moving quickly and smoothly, tire warmers are no longer allowed in the tech inspection area. Dripping wet tires are not allowed in TECH.
15. New Motor Heat Sink Tech Rule: The use of any manufacturer's heat sink is legal; HOWEVER, it is illegal to form ice on your heat sink for use during your race or qualifying heat.
16. Motor Fan Rule: The use of any manufacturer's cooling fan is legal. However, the fan must be no larger than 1.5 in. by 1.5 in. and must run off of the receiver. It is ILLEGAL to have a secondary battery to power the fan. No more than 2 fans in a vehicle. The fan mounted on the ESC counts as 1 of the 2 fans allowed per vehicle.
17. All bodies must use the wings that are supplied in the kit. Mixing and matching ABS plastic wings between different bodies is not allowed. Part number 53470 (Lightweight Wing) and 53604 (Racing Wing Set) or any future OPTIONAL wing set is allowed to be used for any sedan or sports car body in certain classes.
18. Lightweight screws or adjustable turnbuckles that are made of aluminum, steel or Titanium that are made by other manufactures are allowed. i.e. any screw or turnbuckle is legal. (Be aware! If you win the National title down the road and head over to Japan for the Tamiya World Championships, all screws and turnbuckles must be TAMIYA only!)
19. The use of thin shims (available at most hobby stores and now made available by Tamiya) to space out the slop or play in suspension arms, steering bell-cranks and wheel axles is permitted in all vehicles except in the spec class. Shimming the aforementioned components of the car in a way that alters the geometry of the car or its basic geometry design is not legal.
20. The use of O-Rings on shock ball ends and camber/steering links is allowed.
21. Enlarging or creating extra vent holes in wheels is not permitted.
22. In the spirit of keeping TCS Racing scale in appearance to the public, the Subaru Legacy B4 body (items 53727, 49374 & 53824) is not legal for all GT classes.
23. Any modification not called out specifically in these rules is not legal.
24. If a driver finds a loophole within the rules, the exploitation will be deemed illegal at the discretion of the race director
25. 13,500 RPM motor limits on Johnson motors will be imposed at certain TCS venues.

1. A body submitted for concourse consideration must be mounted on a fully assembled operational chassis that is entered in the race event.
2. The body is not required to run in a heat race. Concourse bodies, if raced, must comply with all other rules and may not enhance the performance of the vehicle.
3. Concourse winners may be required to demonstrate the vehicles functionality if asked by the judges. Serious contenders for concourse (Best of Show) should be ready to demonstrate the vehicles' functionality during or after judging if requested.
4. Dioramas or extra figures are not allowed during concourse judging. Driver figures inside the vehicle are permitted.
5. Wheels used for concourse/best of show must be Tamiya wheels. Wheels used must match kit supplied size (i.e. no 26mm wheels on a Mini). Appearance Modifications to the wheels is permitted.
6. You may only enter a best of show or concourse entry in relation to the class that you are entered/racing in. I.E. A racer may not enter F-1 concourse if he/she is only racing in the GT-2 class.

The Spec class is intended for Novice drivers. It will be at the discretion of the host site to weed out drivers who are attempting to enter the Spec Novice class who are of expert or intermediate ability.

1. 1. The only legal chassis is the TT-01, TT-01R, TT-01E and TT-01R-Type E.
2. The Novice Spec class is limited to the following option parts:

a. Plastic body CVA mini oil-filled shock set. (Any tamiya spring may be used)

b. TT-01 aluminum center prop shaft (53620 and 54026)

c. TT-01 propeller joint cup set

d. TT-01 ball bearings (53497, and 54025)

e. TT-01 adjustable upper arm set (53674)

f. TT-01 turnbuckle steering tie-rod set (53662)

g. TT-01 carbon upper deck (53672)

h. 5mm aluminum ball connectors

i. Aluminum clamp type wheel hubs (4mm, 5mm, 6mm)

j. Metal motor mount (53666)

k. Speed tuned gear set. (53665)

3. The Tamiya 540-J motor (53689) is the motor that must be used for the 2010 season.
4. NimH, NiCd and hard cased LIPO batteries are legal for Spec class racing. See general rules for legal TCS batteries. (Note: LIPO batteries are limited to 7.4 Volt 30C 2S-1P 3400 mAh maximum capacity to keep spec racing costs down)
5. New for 2010: As the Speed Tuned Gear Set comes standard in the TT-01R Type E, changing the gear ratios in this class is now allowed. New Max pinion size is 25T with the 55T Spur gear.
6. You must run kit type tires (Racing Slicks (50454), Racing Radials (50419), Racing Semi Slick Tires (50810)
7. 26mm wheels only. (24mm wheels that come stock on the TT-01R Type E are not legal)
8. Any tire insert may be used.
9. Drilling extra vent holes to the wheels is illegal.

The GT-3 class is perfect for those drivers graduating from the Spec Novice class and for those racers wanting to race in a spec horsepower formula. Chassis tuning and driving skill make for close door-to-door racing against skilled and intermediate drivers.
 

1. Tub Chassis 4WD kits only. Carbon plate double deck cars are not permitted in this class.
2. The legal chassis for this class are: TA 1-5, TB-01-03 (legacy 4wd tub cars are also permitted)
3. Tamiya Hop-Ups only.
4. The Tamiya 540-J motor (53689) is the motor that must be used for the 2010 season.
5. New for 2010 season: LIPO batteries are limited to 7.4 Volt 30C 2S-1P 3400 mAh maximum capacity to keep GT-3 racing costs down) See general rules for legal TCS LIPO's that fit the above restrictions. Note: If 3400 mAh capacities become harder to find due advancements in LIPO technology and discontinued lower capacities, then 3600, 3800 and 4000 mAh will be allowed as long as they don’t exceed the 30C rating limit for this class.
6. All GT-3 cars must meet a minimum weight of 1400 Grams.
7. Any Tamiya 190 mm GT or Sports car body is permitted.
8. All car bodies must use the kit supplied ABS wing or Tamiya option wing (53470 or 53604). The option wings may only be used if the body has dimples already marked for the option wing mount.
9. Tamiya 24mm tires and wheels only.
10. New for 2010: In an effort to keep GT-3 scale looking, dish wheels are banned from GT-3 class racing. Spoke type wheels must be used.
11. Any tire insert may be used.
12. Drilling extra vent holes to the wheels is illegal.
13. Changing the camber-link positions on the car other than the way it was intended is not allowed.

The GT-2 class has received a major makeover. This class is for intermediate hobbyists and racers wanting a TRUE SPEC class using the latest Tamiya chassis, brushless motors and battery technologies. Welcome to the NEW GT-2 class!
 

1. TA-05 IFS, TA05 Version 2 and TB-03 IFS tub chassis cars only.
2. Tamiya Hop Ops only.
3. Spec 17.5 Brushless motors only! For the 2010 season 17.5 motor technologies will be locked down to 3 manufactures to keep things simple for racers and organizers alike.
• Novak (item 3417) Pro Brushless Motor 17.5 (Yellow Ring)
• Novak (item 3617) Ballistic Spec 17.5-yellow tab
• LRP (item 50850) X-11 17.5 Stock Spec (Orange Ring)
• LRP (item 50852) X-12 17.5 Stock spec
• Tekin (item TT2251) Redline 17.5.



4. Hard cased LIPO batteries are legal for GT-2 class racing. See general rules for legal TCS LIPO's.
5. All GT-2 cars must meet a minimum weight of 1400 Grams.
6. Any Tamiya 190 mm GT or Sports car body is permitted.
7. All car bodies must use the kit supplied ABS wing or Tamiya option wing (53470 or 53604). The option wings may only be used if the body has dimples already marked for the option wing mount
8. Tamiya 24mm tires and wheels only.
9. New for 2010: In an effort to keep GT-2 scale looking, dish wheels are banned from GT-2 class racing. Spoke type wheels must be used.
10. Any tire insert may be used.
11. Drilling extra vent holes to the wheels is illegal.
12. Changing the camber link positions on the car other than the way it was intended is not allowed.
13. GT-2 will adopt 8-minute main events

The GT-1 class is the ultimate for Touring Cars in TCS. Here advanced hobbyists and racers get to race in a formula that has the most exotic cars available from Tamiya. If speed and exotic cars are your thing, this is the right class for you. This is the State-of-the Art class for GT.
 

1. Legal chassis: Double Deck Carbon Plate cars i.e. TRF 414,415,416 platforms, TB EVO 1-5 platforms and TA-05, TB-03 platforms
2. Tamiya Hop-Ups only.
3. NEW for 2010: 13.5 Brushless motors are now the standard specification for GT-1 racing. For the 2010 season 13.5 motor technologies will be locked down to 4 manufactures to keep things simple for racers and organizers alike.
• Novak (item 3413) Pro Brushless Motor 13.5 (Orange Ring)
• Novak (item 3613) Ballistic Spec 13.5-orange tab
• LRP (item 50840) X-11 13.5 Stock Spec (yellow Ring)
• LRP (item 50842) X-12 13.5 Stock spec
• Tekin (item TT2252) Redline 13.5.
• Trinity (item TEM1001) Duo 2 13.5



4. Hard cased LIPO batteries are legal for GT1 class racing. See general rules for legal TCS LIPO's.
5. NEW for 2010: The GT-1 class will use specific car bodies for the 2010 season. Legal GT-1 bodies: Any Nissan Skyline, Lexus SC 430, Subaru Cusco Dunlop and Mazda RX-7 ORC Amemiya.
6. All car bodies must use the kit supplied ABS wing or Tamiya option wing (53470 or 53604). The option wings may only be used if the body has dimples already marked for the option wing mount.
7. All GT-1 cars must meet a minimum weight of 1350 Grams.
8. Tamiya 24mm tires and wheels only.
9. Any tire insert may be used.
10. Drilling extra vent holes to the wheels is illegal.
11. Changing the camber-link positions on the car other than the way it was intended is not allowed.
12. Countersinking carbon fiber plate parts is permitted.

The Mini's are for everyone wanting to race close and have fun doing it! This class is ideal for any racing hobbyist wanting to keep racing simple and fun. It is very competitive, but without the pressure! Fun is the game here with stock silver can motor power.
 

1. Any Tamiya M03, M05 or M04 chassis car that uses the 60D size tire or smaller.
2. Tamiya Hop-Ups only.
3. No chassis lightening allowed.
4. Current TAMIYA Mini bodies available for the M03 and M05 are legal. M04 cars must use M04 bodies that use 60D tires
5. Tamiya 60D tires and wheels only (50683, 50684, 53254 and 53340).
6. Stuffing tires with inserts to create a "ballooned" tire, and producing overdrive is not legal. Tire diameter limit will be limited to 60mm.
7. The Tamiya 540-J motor (53689) is the motor that must be used for the 2010 season
8. It is legal to use the maximum pinion gear size on all front-drive and rear drive Mini cars. I.E. 20-tooth on the M03/M05 and 21-tooth on the M04.
9. Any Tamiya plastic or aluminum hop-up damper may be used
10. Any Tamiya short or regular size hop-up spring may be used.
11. The use of LIPO batteries is permitted in this class, but due to the battery compartment having a rounded profile, the only legal LIPOs for this class must have a rounded hard case. I.E. Orion/Peak 2400, 3200, and 3400 Carbon Edition hard cased batteries, Reedy 2400 and 3400 stick LIPOs. Modifying the M-chassis to fit other hard case LIPO batteries is not permitted. Note: New batteries released in the future that have a rounded hard case and have larger capacities will be permitted. There is no mAH or C rating limit. All Lipo’s must be 7.4 Volt 2S-1P configurations.
12. Drilling extra vent holes to the wheels is illegal.
13. All M-chassis cars must meet a minimum weight of 1250 grams.
14. Motor RPM Limits will be imposed to match out of the box performance. RPM numbers TBD.
15. It is forbidden to crank the timing on the 540-J motor physically or through the use of rare earth magnets.

Formula 1 is back! This class is open to anyone wanting to tackle the challenge of running direct drive F1 race cars. This class will prove to be a drivers' class as chassis set up is minimal and driving finesse and skill will be the key to victory. There are two F-1 classes to chose from!
 

1. F103 & F104 Tamiya Formula One chassis only (F103, F103RS, F103RM, F103RX and F104).
2. Tamiya F103 and F104 Hop-Ups only.
3. No chassis lightening allowed.
4. The Tamiya 540-J motor (53689) is the motor that must be used for the 2010 season.
5. Any Tamiya foam F1 tire may be used. This includes: F103: 53128, 53129, 53134, 53135, 53271, 54135, 54136, 84094, 84095, 84096 and 84097. F104: 51384, 51385, 54167 and 54168.
6. Mixing and matching F103 and F104 foam rubber is not allowed.
7. Cutting compounds and re-gluing them to create firm/soft hybrids is not allowed.
8. Tire width trimming is not allowed. The entire width of the Tamiya tire must be used.
9. Tamiya F1 wheels only.
10. Tamiya F1 bodies only. Mixing of Tamiya bodies and Tamiya wings is NOT allowed.
11. Any pinion and spur gear ratio combo may be used.
12. Driver figure must be used.
13. Hard cased LIPO batteries and NiMh batteries are legal for F1 class racing. See general rules for legal TCS batteries.
14. The F103/F104 chassis must be built per the instruction manual. Altering its basic structure and design is prohibited.

1. F104 chassis cars only.
2. Tamiya F104 Hop-Ups only.
3. No chassis lightening allowed.
4. 4. The Tamiya 540-J motor (53689) is the motor that must be used for the 2010 season.
5. Tamiya F104 rubber tire and rims only.
6. Any tire insert is permitted.
7. Drilling extra vent holes to the wheels is illegal.
8. Tamiya F104 bodies only. Mixing of Tamiya bodies and Tamiya wings is NOT allowed.
9. Any pinion and spur gear ratio combo may be used.
10. Driver figure must be used.
11. Hard cased LIPO batteries and NiMh batteries are legal for F1 class racing. See general rules for legal TCS batteries.
12. The F104 chassis must be built per the instruction manual. Altering its basic structure and design is prohibited.

This class is perfect for anyone wanting to tackle off-road terrain with Tamiya's new line up of intermediate to high-end off-road kits. Keeping all four wheels right side up is half the battle! The other half of the battle is learning how to jump!
 

1. The Tamiya DF-03, DB-01 and 501X/511 chassis are the only legal platforms.
2. DF-03, DB-01 and 501x bodies only.
3. Tamiya Hop-Ups only.
4. Any aftermarket 4wd tires from Losi, Proline, etc. are legal.
5. Any insert is allowed.
6. No extra vent holes are permitted to be drilled on the wheels.
7. Changing the camber-link positions on the car other than the way it was intended is not allowed.
8. New for 2010: 10.5 Brushless motors or 19t brushed motors are legal for the 4WD off-road class.
9. Hard cased LIPO batteries are legal for 4wd Off Road class racing. See general rules for legal TCS LIPO's

At certain TCS venues the Rally class will be run for fun. If you think you have the control skills to slide a Rally car around a dirt course, then this class is right up your alley.
 

1. DF-03 RA, TL-01 RA, TA-02 and TB-01 chassis kits only.
2. Tamiya Black Sport Tuned motors only.
3. Tamiya Hop-Ups only.
4. Tamiya Rally Bodies only.
5. Tamiya Rally Block Tires only.
6. Any tire insert may be used.
7. Drilling extra vent holes to the wheels is illegal.
8. TCS legal batteries only. See general rules for specifics.
9. The legal rally cars must be built per the instructional manual. Altering its basic structure and design is prohibited.

1. There must be at least 5 participants in each respective class for the class to be run.
2. All races are 5 minutes in duration. Some classes will have 8 minute A Mains.
3. There will be two qualifying heats to determine the Main set-up order.
4. The qualifying format will be left to the discretion of the host site. The two options are IFMAR qualifying and heads up qualifying starts.
5. There will always be two rounds of qualifying followed by the main events.
6. All Mains will be heads up starts. In certain TCS regions the Triple "A" Main format will be used.
7. Prizes and awards will be given to the top 3 in the "A" Main of each class.
8. All racers finishing in the top ten in each class will automatically qualify for the Tamiya North American Finals. Those not making the top ten will be given first priority to "walk-in" to the TCS North American Final event on a first come first serve basis. You must have participated in the 2008/2009 season to be eligible to take part in the TCS 2010 finals. There will be four classes that will be run in the finals in August. Those four classes will be announced two months prior to the event. Three of those classes will be eligible for the Tamiya World Championship trip. The winner of each class will win a trip to Japan to compete in the Tamiya World Finals held in November.

The awards given at a TCS Regional Event are:

1. 1st-3rd medals for the "A" Main for each race class along with Tamiya prizes.
2. "Best of Show" award for the best-looking vehicle in each class.
3. "Top qualifier" award for each respective class.
4. "Top Rookie" award for each respective class. (13 and under in age)

1. The Tamiya World Championships are typically held in November. It is usually the week before the Thanksgiving holiday.
2. TCS North America Finals winners that win the trip to Japan must have a valid U.S. or Canadian passport 8 weeks prior to the trip to Japan. Signed waivers, racer information and questionnaire must be submitted to the TCS director 6 weeks prior to the trip.
3. Due to translation timelines and last minute changes, the 2010 rules and regulations may not be given to the North American trip winners until 3 weeks prior to the event.
4. Trip winners must purchase spec batteries and motors either from Tamiya America or Tamiya Japan once in Japan for the World Championship race.
5. TCS Champs will be given a special promo code for our website, so they may purchase spare or option parts in preparation for the Tamiya World's trip.
6. TCS North American Finals trip winners who are under 18 years of age must be accompanied by a legal guardian to Japan. If the winner turns 18 prior to the trip a guardian is not needed.
7. Due to the nature of the World Championship trip, its logistics and tight schedule for the contestants, friends and family are not permitted to accompany winners.