GENERAL RULES
1: All General rules and procedures in this book apply to all classes within RC Pro. Contradictions may occur within these rules by another rule in a specific class.
2: No person attending an RC Pro event will have any claim for damages, expenses, lawsuits, or otherwise against a promoter, track operator, RC Pro, its officials, agents, or employees, resulting from any damage to any car, personal injury, or monetary loss of any kind whatsoever. All attendants waive any claim they may have against a promoter, track operator, or RC Pro, when they participate in any event being run under these rules.
3: Any driver, or pit crew, is required to wear closed toe shoes at all times while in the racing area.
4: Driver’s meetings prior to each event is mandatory. Rules, procedures, and race formats will be discussed during this meeting. A one-lap penalty may be passed to any driver who does not attend the meeting.
5: Registered drivers are the only ones who are allowed to compete under that name. In other words, drivers cannot have stand in drivers for them for any reason.
6: All drivers are responsible for the actions of his pit crew.
7: Spectator safety is a major concern and must be considered when laying out
Tracks. Ample space to stop a car must be provided between the track area, and the spectator areas, and any area accessible to spectators, drivers, officials, or pit crews. Track barriers must be securely fastened so that contact by a car or individual will not cause them to fall. Track barriers must be in good working condition and have no sharp or abrupt edges. Nothing may be placed on a high-speed portion of the track or at the end of a high speed straightaway, which may cause a car to launch off the track or fly into any area where it may hurt spectators, or drivers.
8: It is the race director’s responsibility to ensure that everyone including spectators are in the proper places and not in danger at any time.
9: Functioning portable UL approved 2-1/2 pound minimum, ABC rated dry chemical or halon fire extinguishers, equipped with capacity gauges, must be in the pits and at trackside at all times.
10: Disqualification may be for a single class, the entire event, or the entire racing season depending on the level of deviation from the rules.
11: Any driver who is disqualified is required to leave the racing facility. There will be no refund of entry fees to a disqualified racer.
12: Any of the following actions by a driver or his pit crew will result in
Disqualification from the event:
a: Using non-authorized FCC frequency.
b: Not reporting to the inspection area when asked to do so.
c: Operating a car near the track that endangers others, or while a race is going on.
d: Drinking alcoholic beverages, use of illegal substances, or showing evidence of being under the influence of an illegal substance in the race area or pit area.
e: Taking part in a protest demonstration at any time anywhere on the racing premises.
f: Entering scoring areas or restricted areas without permission.
g: Assaulting another individual.
h: Turning on a radio during a race with the purpose of harming another driver’s race.
13: The following may result in disqualification if the race director so sees fit:
a: Using any parts that do not comply with the rules.
b: Using improper language or actions with a race director.
c: Using a non-assigned frequency.
d: Allowing individuals to substitute for you in a race.
e: Ignoring a black flag.
f: Rough driving or intentional hacking.
14: Race Officials must witness and bring to the attention of the driver
before a penalty can be assessed. Track infractions may or may not be announced during the race.
15: A driver that has been disqualified or penalized can protest the decision of the Race Director to a designated RC Pro Official at the event. The final decision will be made by the highest-ranking RC Pro official.
16: If a driver is being protested and does not make his car available for inspection, will automatically be disqualified.
17: In qualifying protests can only be made by a driver in the same class. In the main events protests can only be made by a driver in the same main. A protest must be in writing and must be accompanied by a $30 fee per protest. Protests must be given to the Race Director within ten minutes of the race being protested.
18: Unruly or unsportsmanlike conduct will not be tolerated. Individuals who cause any disturbance may be disqualified and removed by the race director if he/she so sees fit.
19: First aid kits composed of individual packaged supplies must be available at the track or inside the hobby shop, and the number for medical assistance should be posted near the main phone.
20: Race Director’s have the right to refuse any entry for valid reason.
21: The race director may inspect any car at any time if for any reason there is a hazardous situation suspected.
RACING AND PRACTICING CONDITIONS
22: Drivers are not allowed to drive or operate their cars inside, or outside the racing area while races are being held to prevent frequency conflicts while races are being run.
23: A person, or another car may not push Cars across the finish line. Cars must cross the finish line under their own power. A driver’s official time will be the total laps completed by his vehicle and the total time elapsed from the starting time until the vehicle crosses the finish line on the final lap. If the final lap is not completed, the driver will be credited with the number of full laps finished and the time for those laps.
24: The driver is scored, and not the car. A driver must race the car teched and he used to qualify with. Drivers or cars may not be changed
During qualifying or a main event.
25: Any material used to add weight to a car must be securely fastened. If this weight falls off during the coarse of a race, that car may be disqualified.
26: Before any driver is allowed onto the track, they must check in with the race officials and give them the driver’s frequencies. Any changes in frequencies must be immediately reported to the race director.
27: Broken cars are to be removed from the track as soon as possible. Work on the cars by corner marshals is not allowed under any circumstance. If a car is broken then fixed by pit crew, it must be restarted from pit lane.
28: Any driver who is demonstrating rough driving, unsportsmanship, or is hazardous to other cars and or people will be immediately black-flagged and may be disqualified from the event.
29: If you receive a black flag during a race, you must immediately pull your car off the racing surface in a safe manner. Again failure to do so may result in disqualification.
30: A black flag ruling may also be used at any time for abusive language to other drivers or race officials.
31: In certain cases, warnings may be given. If any driver receives three warnings that will result in an automatic black flag.
32: Any driver that does not have complete control over his vehicle must immediately pull his car off the racing surface.
33: Any car that loses its body must pull off the track until a pit crew can secure the body back onto the car.
34: A driver practicing must have the appropriate frequency clip on his radio. Frequency clips are not allowed for any reason in the pit area and must stay inside the racing area.
35: Driver’s must use assigned frequency. The Race Director or a race official must approve any frequency change.
36: If there are more than six drivers on 27 MHz in a main, the slowest will have to change to 75 MHz to compete in that main event.
A driver who cannot or will not change will be forced to forfeit his right to run his main event.
37: In case of a frequency conflict, the driver with the lowest amount of points, or highest qualified driver, has first choice.
EQUIPMENT RULES AND REGULATIONS
42: Radios used in RC Pro competition are limited to the following channels:
27 MHz–Channels
1 through 6
75 MHz–Channels
61 through 90
2.4 GHz systems
43: All radios must conform to FCC rules.
44: Radios must have the ability to change frequencies. At least two sets of frequencies is required to attend RC Pro events
45: Radios voltage is to be limited to the manufactures specifications. External transmitter battery packs are not allowed.
46: Any radios operating more than two channels are not allowed(Except for in the Monster Truck Classes). More than one function is allowed per device, but a servo is limited to one output shaft. Reverse in competition is not allowed.
47: All race vehicles must be within the determined weight, height, and length requirements for each RC Pro approved class found in this rule book.
48: The use of traction control sensing devices, active suspension devices, and steering control are not allowed.
49: Antennas must be flexible. Roll-over antennas are not allowed.
50: No hazardous or harmful material may be protruding anywhere off of any racecar.
51: Any motor that is protested may only be torn down and inspected at the
end of the race.
52: Any wheel manufactured for competition may be used as long as it meets the class
specs. Wheels must be securely mounted to the vehicle at all times. Axles may not protrude more than 1/16" beyond the outer edge of the tire.
53: The wheel measurement is as follows:
Mounting bead:
this measurement is taken at the point where the tire bead meets the wheel.
Maximum wheel diameter:
this is measured at the widest portion of the wheel.
54: Hydraulics’ of any kind are not allowed.
55: All motors must be available through hobby shops.
Track:
( PLEASE NOTE, THESE ARE JUST GENERAL GUIDELINES FOR TRACKS HOSTING R/C PRO OVAL EVENTS. IT IS NOT ABSOLUTELY NECESSARY TO HAVE THESE IN PLACE TO HOST AN EVENT, JUST PREFERRED)·
. Preferred tracks shall have a minimum drive line of 150’
· Tracks with a driveline greater than 200’ should maintain a minimum racing surface width of 12’.
· Tracks with a driveline less than 200’ should maintain a minimum racing surface width of 10’.
· Track should have a pit lane capable of providing track entry and refueling cars safely. Minimum width 18”. Minimum length 20’
· Covered tracks are preferred, but not mandatory.
· Track must provide adequate restroom facilities. Where portable facilities are used a minimum of two must be provided.
· Track must have an outer safety barrier to protect spectators. Minimum height, 8”.
· Facility must have adequate power and pit space for up to 100 entrants.
· Track shall have automatic scoring. Use of personal transponders preferred.
Racing Rules:
General
· The Race Director/Referee may instruct any driver to exit the race for not being able to control his car or run a reasonable speed.
· Lapped cars shall either hold their line, or direct faster cars around….NO BLOCKING.
· The Referee/Race Director will penalize competitors guilty of rough driving or blocking, after one verbal warning. Minimum penalty 1 lap.
· Marshals are responsible to be at their station.
· Marshals SHALL NOT make any repairs to cars on the track. They should relay disabled cars via other marshals to the pit lane side of the track.
· Drivers are responsible for the legality of their cars. Any attempt to exploit any grey area in the rules will be ruled on by the Race Director based on the intent of the rule and on any performance advantage.
· Cars passing initial tech inspection shall not be assumed to be legal, tech is a courtesy inspection prior to the start of the event.
· Cars WILL be randomly inspected and those found illegal will lose all results prior to the inspection.
· Minor infractions due to crash damage or repairs shall be penalized by the race/tech director based on his determination of if there was a performance advantage.
· Any competitor may request that the Race Director or Tech inspector check any parameter on his or any other competitors car in his class’ , not requiring any disassembly, prior to the start of the mains, verbally without a protest fee.
· The Pro Series representative will clarify any gray areas in the rules. His decision WILL BE FINAL and will set a precedent for all future decisions in any specific area.
· Protests shall be filed in writing within 15 minutes of the end of a race, by a competitor in that class.
· Protests requiring disassembly of any part of a competitor’s car shall be accompanied by a fee of $40.
· If the protested car is legal, the driver shall receive no less than half the protest fee (TBD Director) for his time/parts etc. Any excess fee shall go to the PRO trophy fund.
· If a car is found to be illegal, the car is disqualified, and the fee returns to the protester.
· Drivers are responsible for their pit man.
· Each driver may have a maximum of two pit men.
· Drivers or pit men under the influence, being loud, vulgar, or threatening will be disqualified and asked to leave.
· Any results not protested in writing within 30 min. of their posting, shall be considered correct, and final.
Qualifiers
· All Qualifiers will be 5min. in length unless shortened by the Race Director due to time/weather constraints.
· Every attempt should be made to have a minimum of three 5min. Qualifiers unless the Race Director determines that due to a larger than expected number of heats, or weather/time constraints makes it necessary to alter the race program.
· Every attempt should made to balance and maximize the number of cars in each qualifier, limit 12.
· All Qualifiers will be IFMAR format.
· All Mains/Qualifiers shall be preceded by a minimum of a 3min warm up.
· After warm up the cars shall be allowed to refuel prior to lining up.
· All starts will be rolling single file starts.
· Any car not on the track at the time the cars are called to line up will have to start from the pit lane after the last car has passed. He has 15sec. To cross the line and start his clock before it starts automatically.
· During a Qualifier, NO CAR will be allowed to re-enter the track if it has to be removed for repairs, or a flame out after the 1min. mark.
Mains
· There shall be a minimum of two bump ups from each main.
· All starts shall be single file rolling starts.
· All A mains shall have a minimum of 10 qualifiers.
· A one time call for an additional minute is allowed in the mains only.
· ALL cars shall enter and exit the track surface from the pit lane ONLY.
· Once a call for line up is made, your car must be on the track.
· Cars shall line up in the order they qualified.
· Anyone may start on the rear of the field providing the Race Director and Control is notified.
· Once the Race Director/Starter has indicated that the start will be on the next lap, any car left on pit lane, may only enter the track from the pit lane exit AFTER the field has passed.
· Race Control and/or the Race Director may call for a restart in the event they feel a fair start has not occurred.
· In the event of a restart caused by a specific competitor, he may be required to start on the rear, depending on the offense,
· No car shall improve his position on the track until AFTER the horn has sounded. If he does he should IMMEDIATELY relinquish those positions in a safe manor or be subject to a 1 lap penalty.
· In the event of a rain out, Results shall be issued based on the qualifying results compiled after the last completed round.
· The Race Director’s decisions will be final.
NOTE: “PRO” classes will run at ALL divisional races and compete for a National Championship at the RC 2007 Pro Dirt Oval Series National Finals
All other classes will be Owner/Promoter optional classes. Those classes will be run at the National Finals based on Divisional Participation.
CLASSES:
Pro Sprint
Dimensions/Weight
Wheelbase 9.5 - 11.0"
Track Width 10.25" maximum (at tracks where buggy/truck molded rubber tires are mandated, track may be measured at the wheel centerline to allow for the cantilever and toe of the rear tires)
Overall maximum length 18.5”.
Weight 52 oz min. (cars can be weighed at any time)
Wing
Minimum Height 4.5” from leading edge of the wing to the bottom of the chassis .
Maximum height 10.5” measured from the bottom of the chassis.
Wing must be mounted to the top of the cage. No wing supports elsewhere on the chassis.
Maximum wing center section, 6.0” x 6.0" .
Left side panel: 4.0 x 7.0"
Right side panel 3.25" x 7.0"
Spoiler: 1/2" Max. added to wing center.
Center panel may not exceed 6.5"Long w/ Spoiler.
Wing or side panels may not be canted more than 1” Canted wings shall not exceed 36 sq. in. in surface area excluding spoiler.
A 1/4" bend is allowed on top and bottom of wing side panels but is included in max dimensions.
A 3/8" max wickerbill is allowed on rear edge of wing side panels.
No wicker bills/additions allowed other than the ones specifically called out.
No bi-level wings.
NO metal wing side panels or metal wing supports allowed other than wire only.
Center of top wing may be aluminum. Exposed/sharp edges must to be covered.
Front wing optional, max size 2.0" x 4.0". Front wing side panel may not be larger than 1.5" x 3"
All corners shall be rounded for safety.
Chassis/Cage/Body
2WD -- Rear Drive ONLY
Single-Speed drives ONLY
Sprint car must have at least a 4 point cage that resembles a drivers cockpit.
Cage must be made of solid stock or tubing. No vacuum formed cages.
Rear down tubes must be parallel +/- .250” and must not extend more than 2.5” behind rear axle.
Must have rear bumper made of round stock.
Must have a front bumper made of energy absorbing material (Nylon/Kydex/Foam) that is securely fastened to the car.
Bumper must touch a perpendicular object before chassis/cage, maximum width 4”
Must have right side nerf bar. Left side nerf bar optional.
Body must resemble a Sprint Car.
Body maximum hood/cowl width 3.5”
Body MAY NOT have any side dams or wickers
Cage side panels may not extend more than .250” past the rear down tubes, and must be equal in length at the rear of the car. They may be no more than .125” taller than the cage in the rear, and end in the front no higher than the cowl.
Engines/Exhaust
Any smallblock.12 or .15 RTR engines ONLY
Fuel tank: 75cc max. Inserts not mandatory in Associated, Ofna, or Losi Tanks.
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Tuned pipes are ok - no internal moving/adjustable parts.
Stinger must be permanently welded to pipe. One stinger only.
Pipes may be modified for wire holds or pressure line ONLY. No other modifications.
Tires/Wheels
Rear wheels max diameter 2.2", max width 2.0".
Front wheels max diameter 2.2” max width 1.5”.
Any tire except for caps, silicone coated/impregnated, or sectioned tire
Pro Late Model:
Dimensions/Weight:
Wheelbase maximum, 12.0”, minimum 10.5”
Maximum width 10.250”.
Maximum overall length, 22”..
Maximum Weight, 56oz.
Chassis/Body:
Any 1/10 scale 2WD (Rear Wheel Drive ONLY).
Production 75cc. fuel tank. Inserts not required.
ANY molded 1/10 scale late model body.
NO "home made", chopped, or sectioned bodies.
Windows may be cut out, but roof, A, B and/or C roof pillars must be left intact.
Cut outs for fuel tank, carburetor tuning, shock towers, and glow plug access are allowed (maximum 1” diameter).
NO cut outs will be allowed in the roof panel for cooling head clearance.
NO cuts may be made into the upper fender/body (top of wheel well) area to provide tire clearance.
Maximum rear spoiler chord is 2"including any molded in portion. A 1/4" wicker is allowed on top of spoiler in addition to the 2".
A left side dam will be allowed with maximum length 14", max height 3” above body deck including a 1/2" bend at top (max height measurement also includes any molded in lip on the side of the body).
.
Side dam leading edge must be at least 3" behind center of front axle with wheels straight. Leading Edge must be perpendicular or angle back (can not angle forward).
Side dam must be mounted and braced securely with at least 2 rigid braces. No flopping side dams allowed.
A right side spoiler cap or side dam is allowed and can be no longer than 2" forward of spoiler base and no taller than top of spoiler.
Reasonable modification may be permitted to allow for cylinder head cooling only, i.e. side window scoops, interior tunneling etc.
NO MATERIAL may be added to the molded body for the purpose of covering tires, creating wickers, splitters, or spoilers other than those specifically mentioned.
Engines/Exhaust:
ANY Small Block .12, or Small Block .15 RTR engine.
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Tuned pipes are ok - no internal moving/adjustable parts.
One stinger only .
No pipes with interchangeable stingers.
Stinger must be permanently welded to pipe.
Tires/Wheels:
ANY car/buggy tire except for capped, silicone coated/impregnated or sectioned/cut/glued together molded rubber tires.
NO TRUCK TIRES.
ANY wheel is allowed, with a maximum diameter of 2.2".
Maximum wheel width rear 2”, Maximum width front 1.75”
Pro Truck
Dimensions/Weight Overall length, including bumper 22”
Wheelbase: 11.0 - 12.5"
Max Width: 13”
Min Width: 11.0”
Minimum weight 64oz. (may be weighed at any time)
Body/Chassis
ANY CHASSIS providing Truck length a-arms are used on all four corners and you meet the dimensions requirements.
Single speed, rear drive 2WD ONLY.
Truck Bodies ONLY. Oval truck bodies ARE ALLOWED.
Left side panel may not extend forward of the roof “A” pillar, be higher than 2” above the roof, including spoiler, nor extend beyond the rear of the body, including spoiler.
Maximum roof spoiler, ½”
Maximum rear spoiler cord 3”, and may not be wider than the rear of the body.
Maximum Height 8" measured from the bottom of the chassis.
Spoiler must be attached to the body -- no spoilers directly attached to the suspension.
Windows may be cut out.
Openings for access to fuel tank, carburetor, and glow plug may be cut in body.
Front bumper must be made of energy absorbing material (nylon/kydex/foam), must be securely attached to the chassis, and may not be wider than the front of the body.
Engines/Exhaust
Any small block 3 port.12, or .15 RTR engines.
Fuel tank:75cc max. Inserts are not mandatory in factory tanks.
Maximum fuel line length from tank to engine,10” including one fuel filter.
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Tuned pipes are ok - no internal moving/adjustable parts.
No homemade or carbon fiber pipes.
One stinger only and must be permanently welded to pipe.
Pipes may only be modified for wire holds or pressure line ONLY
Tires/Wheels
2.2” diameter ONLY .
Rear wheel maximum width 2.5” .
Front wheel maximum width 2.0”
TRUCK TIRES ONLY. NO caps, silicone coated/impregnated, or sectioned tires.
Where foam tires are used, tires/wheels MAY BE trued/narrowed providing they are mounted on 2.2” diameter wheels, and meet the dimensions specified.
Promoter/Track Optional Classes:
NOTE: Any of these classes run at Divisional events, with enough racer support will run for a National Championship at the 2007 RC Pro Dirt Oval Series national Finals.
Outlaw Modified:
Dimensions/Weight: Wheelbase 9.5 - 12.5"
Max Width – 13.0"
Minimum width 11”.
Maximum Overall Length is 22"
Minimum weight, 64oz. (cars can be weighed at any time)
Body/Chassis
Car/body must resemble a Modified/EDM oval car. .
Maximum width of body/inner panel is 8.25”
Side windows must be clear.
Front and Rear windows must be removed, except to add to roof length at top of windshield, and/or add a 2”x .5” wicker along the bottom edge of the A pillar.
Side windows and A pillar must attach to side panels at top edge of door and must also contact the entire length of roof. (i.e. no large gap between roof and top of windows)
No portion of side window may overlap side or sail panel.
Roof, windows, side and sail panels must be symmetrical.
Maximum width of Roof is 7", roof width must be narrower than inner panel width where attached to doors.
Minimum roof height is 5.0" measured from the bottom of the chassis.
Maximum height of body at highest point is 7.0" measured from the bottom of the chassis.
Maximum roof length is 6.5 inches. Any clear portion of windshield or rear window remaining will be included in max roof length dimension.
A 1/2" rear spoiler is allowed at the rear edge of the Roof and is not included in 6.5" max length
Maximum Side panel length is 17" and no part of the side panels can extend forward of the front axle. Entire side panel must be on one plane and both side panels must be parallel and symmetrical to each other.
EDM sail panels may be no higher than the highest point of the roof line including spoiler.
Front edge of sail panel can not extend more than 1" forward of rear tire leading edge and can not overlap side windows.
Sail panels may not extend beyond rear of body, including rear spoiler.
Maximum rear spoiler chord 3”.
No additional lips or flaps are allowed with the exception of a 1/4" bend at top and bottom of Side and Sail panel no more than 45 degree.
Body inner panel may be cut out for fuel tank access, and to clear engine head.
Small access holes may be drilled in body to access carburetor adjustments and glow plug.
Inner body panel horizontal plane MAY NOT be cut out for rear tire clearance.
Front tires must be COMPLETELY exposed
An additional front body panel is allowed on the front of the car but may not extend past the bumper and may not be wider than 4.5”.
Maximum front bumper width is 5".
Any material added for the purpose of bracing or supporting the body must be a maximum of 1/2" wide and 5 " long.
Engines/Exhaust
Engine……..Any up to .18ci.
Fuel tank:….Any
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Pipe………..Any (not to exceed local noise requirements. 85db.. Max recommended)
Tires/Wheels
Any tire except for caps, silicone coated/impregnated, or sectioned tires.
Rear wheel Max diameter 2.2”. Max width 2.5”
Front wheel Max diameter 2.2”. Max width 2.25”
Nitro EDM
Dimensions/Weight
Overall length, including bumper 22”
Wheelbase: 9.5” - 11.5"
Max Width (Track) 10.25”
Weight 52 oz min. (may be weighed at any time)
Body/Chassis
Single speed, rear drive, 2WD only.
Maximum width of Body/inner panel is 8.125".
Maximum width of Roof is 7", roof width must be narrower than inner panel width where attached to doors.
Minimum roof height is 5.0" from bottom of the chassis.
Maximum Height of body at highest point is 7.0" from bottom of the chassis.
Maximum roof length is 6.5 inches.
A 1/2" rear spoiler is allowed on Roof and is not included in 6.5" max length.
Front and Rear windows must be removed, any clear portion is included in max roof length dimension.
Side windows and A pillar must attach to side panels at top edge of door and must also contact the entire length of roof. (ie no large gap between roof and top of windows).
Side windows must be clear and no portion of side window may overlap side or sail panel.
Roof, windows, side and sail panels must be symmetrical.
Maximum Side panel length is 17" and no part of the side panels can extend forward of the front axle.
Entire side panel must be on one plane and both side panels must be parallel and symmetrical to each other. Front edge of sail panel can not extend more than 1" forward of rear tire leading edge and can not overlap side windows.
No additional lips or flaps are allowed with the exception of a 1/4" bend at top and bottom of Side and Sail panel.
Any material added for the purpose of bracing or supporting the body must be a maximum of 1/2" wide and 5 " long.
Rear spoiler chord maximum is 3".
No rear wheel cutouts are allowed on the horizontal plane of the inner panel.
An additional front body panel is allowed on the front of the car but may not extend past the bumper and may not be wider than 4.5" or longer than 3.5".
Front bumper must be made of energy absorbing material (nylon/kydex/foam), and must be securely attached to the chassis, Maximum width 5”.
Front tires/wheels MUST be COMPLETELY EXPOSED
Engines/ Exhaust
Any small block .12 engines or small block .15 RTR engines ONLY.
Fuel tank: 75cc max. Inserts not mandatory in factory tanks.
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Tuned pipes are ok - no internal moving/adjustable parts.
One stinger only.
No pipes with interchangeable stinger.
Stinger must be permanently welded to pipe.
Tires/Wheels
Maximum wheel diameter 2.2
Maximum width 2.0”
Any car/buggy tire except caps, silicone coated/impregnated, or sectioned/cut/glued together molded rubber tires.
4WD Late Model:
Dimensions/Weight:
Wheelbase maximum, 10.75”, minimum 9”
Maximum Track width 9.250”.
Maximum overall length, 22”.
Minimum Weight, 60oz.
Chassis/Body:
Any 1/10 scale 4wd touring car/sedan chassis.
Chassis must be stock, OEM or aftermarket aluminum or alloy, with stock fuel tank/engine/suspension mounting locations.
STOCK 75cc. fuel tank in STOCK location. Inserts not required
ANY molded 1/10 scale late model body.
Maximum body width 9.250", measured across the top of the front fenders and/or across the top.of the rear deck.
Tire tread/surface must be COMPLETELY COVERED when viewed from above the car.
Windows may be cut out, but roof, A, B and/or C roof pillars must be left intact.
Cut outs for fuel tank, carburetor tuning, shock towers, and glow plug access are allowed (maximum 1” diameter).
NO cut outs will be allowed in the roof panel for cooling head clearance.
NO cuts may be made into the upper fender/body (top of wheel well) area to provide tire clearance.
Maximum rear spoiler chord is 2"including any molded in portion. A 1/4" wicker is allowed on top of spoiler in addition to the 2".
A left side dam will be allowed with maximum length 14", max height 5” above body deck including a 1/2" bend at top (max height measurement also includes any molded in lip on the side of the body)..
Side dam leading edge may not be forward of the center of front the axle with wheels straight.
Leading Edge must be perpendicular or angle back (can not angle forward).
Side dam must be mounted and braced securely with at least 2 rigid braces. No flopping side dams allowed.
A right side spoiler cap or side dam is allowed and can be no longer than 2" forward of spoiler base and no taller than top of spoiler.
Reasonable modification may be permitted to allow for cylinder head cooling only, i.e. side window scoops, interior tunneling etc.
NO MATERIAL may be added to the molded body for the purpose of covering tires, creating wickers, splitters, or spoilers other than those specifically mentioned.
Engines/Exhaust:
ANY Small Block .12, or Small Block .15 RTR engine.
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Tuned pipes are ok - no internal moving/adjustable parts.
Maximum stinger opening: 6mm
Stinger must be permanently welded to pipe. One stinger only.
Tires/Wheels:
ANY TIRE except for capped, or silicone coated/impregnated.
ANY wheel is allowed, with a maximum diameter of 2.2".
Maximum wheel width rear 2”, Maximum front width 1.75”
Spec. Sprint
Dimensions/Weight Same as Pro Sprint.
Wing
Same as Pro Sprint.
Chassis/Cage/Body
Same as Pro Sprint.
Engines/Exhaust
O.S. CV .12 RED HEAD (aftermarket heat sink heads allowed), Dynamite .12, Associated .12 RTR, or O.S. .12TG ENGINES ONLY!
Stock head (CV may use aftermarket head) crank and rod only.
Piston and sleeve may be replaced with any specifically made as a replacement for the O.S. CV .12 (i.e. Dynamite economy Piston/Sleeve).
NO MATERIAL may be removed from the crank, rod, piston, or sleeve, other than cutting the pull start tab off the crank, or shortening the threaded shaft.
Fuel tank: 75cc max. Inserts not mandatory in Associated, Ofna, or Losi Tanks.
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Associated RC10 GT torque or RPM pipes ONLY. No modifications.
O.S. .12TG MUST RUN A STOCK Losi/Drake Rear Exhaust Header.
Tires/Wheels
Rear wheels max diameter 2.2", max width 2.0".
Front wheels max diameter 2.2” max width 1.5”.
Any tire except for caps, silicone coated/impregnated, or sectioned tire
Open Mod Electric Sprint
Dimensions/Weight
Same as Pro Sprint.
Wing
Same as Pro Sprint.
Chassis/Cage/Body
Same as Pro Sprint.
Motor/Battery
ANY MOTOR INCLUDING MODIFIED OR BRUSHLESS.
ANY six cell NiCad, or NiMh battery up to 4200Ma.
Lithium Polymer batteries are STRICTLY PROHIBITED
Tires/Wheels
Rear wheels max diameter 2.2", max width 2.0".
Front wheels max diameter 2.2” max width 1.5”.
Any tire except for caps, silicone coated/impregnated, or sectioned tire
Open Mod Electric EDM
Dimensions/Weight
Same as Nitro EDM.
Chassis/Cage/Body
Same as Nitro EDM.
Motor/Battery
ANY MOTOR INCLUDING MODIFIED OR BRUSHLESS.
ANY six cell NiCad, or NiMh battery up to 4200Ma.
Lithium Polymer batteries are STRICTLY PROHIBITED
Tires/Wheels
Rear wheels max diameter 2.2", max width 2.0".
Front wheels max diameter 2.2” max width 1.5”.
Any tire except for caps, silicone coated/impregnated, or sectioned tire
1/8 Scale 4WD Late Model:
Dimensions/Weight:
Wheelbase maximum, 13.2”, minimum 11”
Maximum Track width 13”.
Maximum overall length, 28.7”.
Minimum Weight, 8lbs.
Chassis/Body:
Any 1/8 scale 4wd shaft drive (buggy type) chassis.
Chassis must be stock, OEM or aftermarket aluminum or alloy, with stock engine/suspension mounting locations.
Fuel tank maximum capacity of 150cc
Fuel tank must be in STOCK location.
ANY 1/8 scale late model body.
Molded rear Late Model wing or rear spoiler with 3” maximum chord and 1.5” maximum height side panels (above chord) with a length not to exceed cord of the spoiler is allowed.
Left side panel is allowed no farther forward than the roof “A” pillar with a maximum length not exceeding .5” past rear spoiler and a maximum height of 5.5” above top of the body deck.
Windows may be cut out, but roof, A, B and/or C roof pillars must be left intact.
Cut outs for fuel tank, carburetor tuning, and glow plug access are allowed.
Tire tread/surface must be COMPLETELY COVERED when viewed from above the car.
Body maximum width at widest point shall not exceed 13”.
Engines:
ANY .21ci, OR RTR ENGINE up to .28ci.
NOTE:
THERE WILL BE A $300 CLAIMER RULE ON ALL ENGINES IN THIS CLASS!
A competitor may claim any competitors (limit 1) engine that finishes ahead of him IN HIS MAIN for $300 CASH after the completion of the mains. The claimed engine shall be presented to the claimer less clutch, flywheel, air cleaner and header. Anyone failing to do so will be disqualified.
Carburetors MUST HAVE a return device (spring, rubber band) to close the carburetor in the event the linkage comes off.
Any exhaust providing it does not exceed track noise limitations. (Maximum 85db. Recommended).
Tires/Wheels:
ANY TIRE except for capped, silicone coated/impregnated or sectioned (tires cut up and glued back together).
ANY wheel is allowed, with a maximum wheel diameter of 3.2”, minimum 3.4”.