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Scale Drag and Road Racing Association
This document is provided for informational purposes only. The information contained in this document represents the current view of The Scale Drag Racing Association on the issues discussed as of the date of publication. Because The Scale Drag Racing Association must respond to change in market conditions, it should not be interpreted to be a commitment on the part of The Scale Drag Racing Association and The Scale Drag Racing Association cannot guarantee the accuracy of any information presented after the date of publication. INFORMATION PROVIDED IN THIS DOCUMENT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND FREEDOM FROM INFRINGEMENT. The user assumes the entire risk as to the accuracy and the use of this document. This document may be copied and distributed subject to the following conditions: 1) All text must be copied without modification and all pages must be included; 2) All copies must contain The Scale Drag Racing Association's copyright notice and any other notices provided therein; and 3) This document may not be distributed for profit. Copyright 1996 © Scale Drag Racing Association. All Rights Reserved. Track Owner Or Race Promoters Note The idea of this rule book is to provide a standardization of classes worldwide. By publishing rules for all types of cars. A track owner or race promoter can choose the classes of cars that will work in their given area. A competitor in California will know the definition of a certain type of car just as a competitor in New York will. To hold a large national type race a track owner or race promoter can choose the classes that are popular for that area and which they would like to race. Every one will be on the same wavelength as to what type of cars race in a given class. National type drag races have been drawing a very large amount of racers and with a standardization of classes these events will be even larger. These rules have been written by track owners, racers and race promoters alike and have been laid out so not to favor one manufacturer over another, something that should never be done. All specifications are spelled out in dimensions and are required to be available to all track owners through major slot car distributors. General Rules 1. Scale: The size of scale to which the cars must be built is 1/24th (or 1/25th) that of the actual race car. 2. Width: All cars may not be more than 3.25 inches (82.6 mm) wide at any point. 3. Wheels: All cars must have front and rear wheels (2 each) with black rubber tires. A. Rear wheel minimum diameter is 0.950 inches (24 mm) unless otherwise specified. B. Front wheel minimum diameter varies by class to conform with scale appearance. C. Front wheels must rotate on their axles. D. Front wheels must be mounted so that they are below the bottom of the chassis. E. Front wheels must be mounted in the original position intended for the body style. 4. Clearance: The minimum clearance for chassis and gear is 0.063 inches (1.6 mm). No parts may drag. 5. Guide flag: Only one guide or pickup device per car 1" maximum length. 6. Body: Designs must resemble full size race cars. Wheelbase must conform to the original openings on the body and must be available through normal distribution channels. Good example of scale appearing is being able to tell what kind of car the body represents without referring to the package label.
A. Paint: All bodies must be fully painted and opaque when sitting on the tech block. They should be detailed to resemble full size race cars. Exhaust pipes, body lines, injector stacks, mirrors and decals are optional. B. Numbers: All cars should display numbers and other markings of reasonable size and position which conform to the appearance of full scale drag cars. Permanent numbers may be issued by local tracks for each class for scoring purposes. C. Interior: All cars must contain a suitably detailed, 1/24th or 1/25th scale full coverage interior with at least a three dimensional driver with helmet, shoulders, arms and steering wheel mounted in the original cockpit position at all times during qualifying and racing. Should be painted but, painting is not required. D. Windshield: Windshield and windows must be clear or lightly tinted, except that the rear windows on funny cars may be blocked out. E. Fender wells: Fender wells must be clear or cut out to the horizontal centerline of the front wheels. Trimming for wheel clearance must not extend into the top surface of the body. Must be in the original intended position. F. Body openings: The chassis must be completely covered by the body when viewed from above, except for the cockpit opening or other legal body openings (such as accurate representations of scoops, etc.). The body must cover the guide flag and tires when viewed from above, except dragsters, altereds, and gasser type bodies. 7. Air control devices: A. Cars must conform to scale appearance. B. In general, no connecting wings or side dams front to rear are permitted. C. Diaplanes must have a maximum length of 0.500 inches (12.7 mm) measured from the extreme leading edge of the front bumper. D. Rear spoilers must conform to individual class rules. 8. Parts replacement: Any component may be replaced during competition except the original chassis or body. A body may be replaced if significantly damaged during competition (as is permitted in full-scale drag racing). However race director permission is required or the car will be disqualified. Any racer found to have switched their chassis will be disqualified immediately. 9. Any particular car can only be entered one time per class. 10. Any topic not mentioned in rules will be decided by presiding race director or tech official. Track Records Official track records for E.T. and top speeds set at national events for each national class should be maintained by the track owner. (track must be certified at the event to within 1"): 1) 1/4 Mile - 55 Ft. (16.76m.) 2) 1/8 Mile - 27.5 Ft. (8.38m) 3) 1,000 Ft - 41.7 Ft. (12.7m) Record must be backed up during competition in the same event within plus or minus 2%. Track prerequisites: at all SDRA drag racing events qualifying and racing voltage for all classes will be limited to a maximum of 16.0 volts. This voltage is to be measured at the braid unloaded, without cars on the track using accurate digital voltmeters to record the values. Track Record Procedures The standard of excellence of performance in drag racing is the track record. These records are established under controlled conditions at events throughout the season. Each record run is made under close observation of starting procedures, running, finish, and timing. Each car is thoroughly inspected to determine it's compliance with class requirements, including weight and motor. In a sport where records play such a vital role, every effort is made to maintain their accuracy and validity. In order to insure the validity of all new records, a backup performance of within plus or minus two (2) percent of the new mark is required at the same event. If two contestants tie for the elapsed time record to the thousandth of a second at the same event, the tie-breaker will be the fastest mile-per-hour reading for the run that establishes the record. In the event a tie still exists, the contestant accomplishing the record run earlier in the event, will be awarded the record. If the record is tied at a later race, the record will stay with the driver who set it first. Similarly, if two contestant tie for the speed mark, the tie-breaker will be the quickest elapsed time on the run that established the new national record. You may set speed mark independent of the elapsed time record; records may be set until the driver is eliminated from further competition. A contestant cannot set records with one car, then complete in elimination's with another car. Only the driver holding the record at the conclusion of the event will be credited with the record. A driver setting and then losing a record at the same event will not receive credit for establishing a record. Index records are not required to be backed up. (see index rules for clarification) Black Flag Any car that is a hazard to spectators or other competitors can be removed from competition. This means cars with sharp edges, cars that continually deslot etc. The race director or technical director has the final decision on this determination. Break Rule During elimination's only. A competitor suffering mechanical difficulty during pre-staging may request a one minute grace period to resolve the problem and return to competition with one minute to stage. If the problem cannot be resolved, the other competitor will receive a bye and will have one minute to stage. Bye Runs In any round of elimination's where there are an odd number of cars, one driver will receive a bye run. The top qualifier receives the bye in the first round. Subsequent bye runs will go according to the official SDRA ladder sheets. May red-light and still gain lane choice. He or she is the winner unless there is a centerline violation. Disqualification's All elimination runs are subject to the first or worst rule. When this occurs the driver committing the worst violation is eliminated. Should a driver receive a red-light foul start, and the opposing driver cross the lane boundary line, the latter infractions would prevail and the driver committing the foul start would be reinstated. In determining lane boundary crossing violations, it is considered a disqualification when any portion of a tire completely crosses the painted centerline on the surface of the track not including the shut down area if one car crosses the centerline and causes the car in the opposite lane to cross the centerline the car causing the crash will be disqualified. If it can not be determined by the race director as to which car caused the crash a re-run will occur. In cases where both contestants cross the center line, independent of each other the driver crossing the centerline first will be disqualified. Additional grounds for disqualification, suspension, and/or expulsion are: 1) unsportsmanlike conduct, improper language or conduct detrimental to racing: 2) any condition considered unsafe, unfair or out of order. If a driver is disqualified during competition for any reason prior to the actual start of a race, he cannot be reinstated. Any driver and/or pit crew member found to be under the influence of alcoholic beverages or drugs, will be ejected from the event. Such a condition is cause for suspension, and/or revocation of competition privileges. Drivers The driver of the car must be the same person presenting the car for technical inspection and registration. It is not permitted to change drivers during competition. There should be a drivers meeting prior to qualifying to discuss race procedures. Drivers with specific questions need to ask about them at this time. If you do not ask about them at this time it is presumed that you understand the race procedure.
Index System If you as a track owner or race promoter wish to run super stock, factory experimental etc. On an index system the following will give you some guidelines. You can have a qualifying session to determine your class indexes (or records) and then use them for a dial-in when you run cars of different classes together much like a bracket race (e.g. SS/A record at 1.00 vs. SS/B record at 1.20 SS/B would get a .200 head start). Any competitor running under there index (record) will be disqualified and the new lower index will be in effect for the rest of the race and for all future races. The driver resetting the index (record) could receive bonus points towards a championship series if one is in place at that time. Indexes (records) are not required to be backed up. Ladders Category pairings are based upon established SDRA official ladder charts. Qualifying elapsed times determine ladder positions (example: 1 vs. 16; 2 vs. 15; 3 vs. 14; 4 vs. 13; 5 vs. 12; 6 vs. 11; 7 vs. 10; and 8 vs. 9). Once established, pairings are not changed for any reason. Lane Choice In all categories, lane choice is determined by elapsed times. The contestant with the best qualifying E.T. gets first-round lane choice, and in subsequent rounds, lane choice goes to the lowest et of the pairing in the previous round. Professional Driver Classification Professional driver are those individuals that are sponsored by a manufacturer or receive their parts either free or at less than retail price. This does not include track owners or track employees. These class restrictions are necessary to give the entry level racers classes to compete in. As factory racers you are likely to receive parts before they are released to the public for testing or evaluation. Also as sponsored racers you have demonstrated your skills as a racer and with that you need to help the sport continue to grow and by not dominating the lower classes this will be possible. There have been enough classes allowed for you to compete in and not are all high end so this sport can still be fun for all. The following classes are allowed, but not limited to professional drivers. AA/FA, AA/FD, AA/FC, A/FX, SS/A, B/A, Brackets, Blown Doorslammer, Factory Modified Pro-Stock, Quick-16, Street-Rod, Super-Comp, Super-Gas, Super-Street, Top-Gun, Top-Fuel Dragbike, and Top-Sportsman. Any violation of this is grounds for disqualification! Protest Procedure The protest procedure for armature, magnet, can, body or chassis violations is as follows. You may buy a look at any competitors car for $3.00. This money is paid to the technical director for the event and he will contact the suspected car owner and have the party bring the car to the technical inspection area for you and the technical director to inspect. If you are satisfied, the car owner will collect the $3.00 buy a look fee. If you are still not satisfied you may apply the $3.00 fee towards a formal protest which amounts to you putting up money equivalent to two times the amount of the retail cost of the armature. The motor is then disassembled, the armature then has the epoxy destroyed with a torch and is unwound, the wire is checked for the correct amount of turns and the diameter of the wire. If the motor is found to be legal the car owner receives the money. If it is illegal the protester will receive the protest fee back and the offending party will be disqualified. Any other type of protest must be specific and can be performed on the $3.00 buy a look procedure outlined above. Qualifying The qualifying order is based on the numerical order of the registration forms. In the first round the name called first by the race director will get the right lane. In the second round that driver will go to the opposite lane. If the race has more than one qualifying session the driver will switch back and forth accordingly. Each car entered in class racing will be allowed a minimum of two qualifying attempts which will be used to determine qualifying position which will be used to set up ladder charts for elimination's. One run should be recorded for each lane. Each time and speed must be recorded. No timed runs are required for breakout, or bracket classes. In order to constitute an official qualifying attempt, a car must self-start and finish. For all categories of competition including E.T. classes. An individual vehicle cannot be used for multiple entrees in the same class. In the event of identical qualifying et's the driver with the faster top speed, recorded on the qualifying runs in question, will be awarded the lower qualifying position. If it is still a tie the driver running the low E.T. first in qualifying will be awarded the lower qualifying position. Registration All cars shall be inspected and pass technical inspection for their class. In all cases, the technical inspector's decision is final. Failure to comply with rules will be pointed out by the technical inspector and problems must be corrected before the car can participate in competition. Competition will not be delayed solely to enable an entry to correct problems. If the failure to pass technical inspection is due to cheating (such as changing the tag on an armature), the car will be disqualified from competition and the entry fee forfeited regardless of who performed the illegal modification! At national or regional events, inspected cars should be impounded until qualifying. The chassis and body should be marked with a number made of non-removable paint or ink to prevent swapping of such parts during competition. Except for E.T. bracket classes, drivers may enter a maximum of two cars per class at national or regional events. Single Runs In situations where a driver is making a single run, he is considered the winner once he stages, receives the start signal and finishes the run. This run is used to determine lane choice in the next round. Staging Once a car reaches the front of the staging lanes for a run, it must be prepared to race. In order to be a legitimate race winner, a contestants car must self start and cross the finish line. If for some reason the car should break after it has moved off the start line the contestant can push it over the finish line with-in the ten (10) second limit to finish the run. A time of one (1) minute will be allowed between runs for contestants to stage. Failure to stage upon the starter's instructions is possible grounds for disqualification. After proper staging of both cars, it is not allowable to re-stage for a second time. Starting System Top Fuel, Funny Car, Pro Stock, Pro Stock Motorcycle, Top Alcohol Dragster, Top Alcohol Funny Car, Super Comp, Super Gas, and Super Street utilize the three-amber "Pro Start" Xmas Tree. All amber lights are activated simultaneously, with a four-tenths delay to green.. All others using a full three-amber countdown with five-tenths delay between light. Motor Specifications Must be a c-can type motor and must be commercially available through major distributors. Motor must retain endbell and hardware that is original for the type of can used. May use any type of screws to retain endbell to can and c-clips are not required. May use spacers to limit endplay. May use armature dye. Any motor springs are permitted. Shunt wires are also permitted in group 7 thru group 12. Ball bearings are allowed in group 7 or group 27 and also in other motors depending on individual class rules. Oilites or bearings may be soldered or epoxied in place. Group 7 or group 27 motors may have a strap can and have no other restrictions except that group 27 must meet armature specifications.
1. Armature stack length must be a minimum of 0.440 inches (11.17mm) with the exception of group 12 which is a minimum of 0.350 inches (9.30mm). All armatures 27 thru 12 must be factory tagged. 2. Armatures must be commercially available through major distributors. 3. Armature must be wound with the following specifications. A. Group 7: No restrictions what so ever. B. Group 27: 38 turns of 27 gauge wire. No minimum diameter. May be hand wound. C. Group 20: 38 turns of 27 gauge wire which excluding insulation is 0.0141 inches or 0.358mm maximum diameter. Must be machine wound. D. Group 15: 50 turns of 29 gauge wire which excluding insulation is 0.0112 inches or 0.2845mm maximum diameter. Must be machine wound. E. Group 12: 50 turns of 29 gauge wire which excluding insulation is 0.0112 inches or 0.2845mm.maximum diameter. Must be machine wound. 4. C-can armatures must have a diameter of .513" plus or minus .003".
1. Can inside minimum dimensions are defined as not less than: A. Length: 0.925 inches (23.50mm). B. Width: 0.835 inches (21.20mm). C. Height: 0.560 inches (14.20mm). 2. Can must have top and bottom (no straps). 3. Can must be commercially available through major distributors. 4. Cut cans or machine work not permitted.
1. Magnets may not contain "rare earth" materials (defined as elements with atomic weights 58 thru 71). 2. Magnet dimensions plus or minus 10% are as follows: A. Length: 0.500 inches (12.70mm). B. Width: 0.150 inches (3.81mm). C. Height: 0.550 inches (13.97mm). 3. Magnets must be commercially available through major distributors. 4. Magnets may be glued or epoxied in place.
Altered Classes AA/FA: Group 7 Motor. Ball Bearings Allowed. A/A: Group 27 Motor. Ball Bearings Allowed. B/A: C-Can Group 20 Motor. Ball Bearings Allowed. C/A: C-Can Group 15. No Ball Bearings. D/A: C-Can Group 12. No Ball Bearings. E/A: Super 16d Type Motor. No Ball Bearings. F/A: Stock 16d Type Motor. No Ball Bearings. Body: Must resemble full-scale altered type car. Booth # 1163, 1166, 33, 2007, 34. DRS # 501, 525, 530. Mad Mike # 1000, 1001, 0101, 0100, 0301, 0300, 0200, 0201,1800,1801. Mr. Nitro # 160, 110, 140, 130, 120. Parma # 945. Showtime # 011a. Front wing: Permitted. Maximum projection forward of guide .250". Wings: No connecting wings front to rear. No side dams on main body. Chassis: Unlimited, except for 12" maximum overall length from nose to centerline of wheelie bars. Ball bearings allowed. Front tires: 5/8" minimum diameter. Weight: No minimum weight in AA/FA or A/FA all other classes, 90 grams minimum weight. Blown Doorslammer Body: Unlimited, except no altereds, dragsters, or funny-cars. Must have hood scoop, top-hat blower or engine detail. Must have complete front and rear bumpers as delivered by factory on original full scale cars. Booth # 42, 40, 385, 44, 41, 23, 21, 27, 395, 36, 1192s, 30, 295, 28, 49, 1156s, 2005, 2010, 2002, 2014, 2013, 2015, 1178s, 2018, 2011, 22, 33, 32, 1165, 1157, 1157s, 2017, 1160, 1161, 1184, 1164s, 1183, 2006s. DRS # 508, 513, 516, 515, 518, 509, 502, 519, 520, 503, 506. Mad Mike # 1201, 1200,0700, 0701, 1100, 1101, 0800, 0801, 0900, 0901, 1400, 1401, 1300, 1301, 1700 ,1701, 2100, 2101, 1800, 1801, 1600, 1601, 2500, 2501, 1900, 1901 ,2000, 2001, 1500, 1501, 2200, 2201. Mr. Nitro # 180, 190, 100. Parma # 948, 1105B, 1071, 1078, 1080B, 1079B, 1104B. Show Time # 01, 05, 09, 010, 011, 014, 018, 019, 030, 06, 06a. Trak Tek # 212, 206, 203, 213, 201. Chassis: Unlimited, ball bearings allowed. Wheelie bars are allowed, not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 3/4" minimum diameter. Motors: Unlimited. Rear wing: Permitted, but must conform to the following dimension from the most extreme (highest or most rearward molded Plastic) Plane of the deck lid: 1. Maximum 1 1/2" overhang. Weight: 90 gram minimum weight. Drag Bikes Chassis: Unlimited, must have two wheels "no trikes" 90 grams minimum weight. Ball bearings allowed. Top-Fuel Drag Bike: TF/DB Motor: Group 20 c-can type motor. Ball bearings allowed. Pro-Stock Drag Bike: PS/DB Motor: Group 12 c-can type motor. Ball bearings allowed. Super Stock Drag Bike: SS/DB Motor: Super 16d type motor. Ball bearings allowed. Street Drag Bike: S/DB Motor: Stock 16d type motor. Ball bearings allowed Dragster Classes AA/FD: Top fuel dragster. Group 7 motor. Ball bearings allowed. TA/D: Top alcohol dragster. Group 27 motor. Ball bearings allowed. A/D: Alcohol dragster. C-can group 20 motor. Ball bearings allowed. A/FD: Injected fuel dragster this class is intended for "scale appearing dragsters only" and requires a 9" minimum wheelbase and a high mounted rear wing. Motor can be up to group 20. Rear Wing on A/FD 2 1/4" minimum height measured from the centerline of the rear axle. May be mounted to the rear or above the rear axle, but not in front of the rear axle. Must maintain scale appearance. Jr./D: Junior dragster this class is intended for but, not restricted to racers under the age of 16. The car will use any 16d type motor. The chassis can be a maximum of 7 1/2" long from the nose to the centerline of the rear axle. Wheelie bars are Permitted, 3 1/2" maximum length. No ball bearings in chassis or motor. This class will run on a breakout time of 1.20 seconds with a full (.500) tree. The breakout time can be changed based on local track conditions. Wings: No connecting wings front to rear. No side dams on main body. Chassis: Unlimited, except for 14" maximum overall length from nose to centerline of rear axle. Ball bearings allowed, wheelie bars are allowed. Wheel base: 12" maximum. Front tires: 3/8" minimum diameter. Weight: No minimum weight in dragster classes, except A/D 90 grams minimum and A/FD 110 grams minimum. Bodies: Booth # 26, 1079. DRS # 501, 514, 522, 505, 524, 512. Mad Mike # 0400, 0401, 2400, 2401 Parma # 1052, 1074. Rebel # 24-d9, 24-d5, 24-d6, 24-d8, 24-d10, 24-d3, 24-d4, 24-d1, 24-d2. Showtime # 012. Factory Modified F/M: Factory Modified Body: 1985 or newer American sedan body. Body may not be chopped, lowered, or have wheel wells enlarged, body must have Pro style hood scoop. Must have complete front and rear bumpers as delivered by factory on original full scale cars. Booth # 36, 2005, 2006, 2010, 2002, 2018, 2011, 22, 1184, 1183. DRS # 513, 503, 518. Mad Mike # 1700, 1701, 2100, 2101, 1500, 1501, 2200, 2201. Parma # 1105b, 1071, 1078, 1104b. Trak Tek # 201. Rear wing: Permitted, but must conform to the following dimension from the most extreme (highest or most rearward molded Plastic) Plane of the deck lid maximum 1 1/2" overhang. Chassis: Unlimited, ball bearings allowed. Wheelie bars are allowed, not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 3/4" minimum diameter. Weight: 90 gram minimum weight. Motor: C-can group 12. No ball bearings. Factory Experimental Body: 1955 to 1975 American sedan body. Body may not be chopped, lowered, or have wheel wells enlarged. Must have complete front and rear bumpers as delivered by factory on original full scale cars. Booth # 27, 1192, 1192s, 2001, 45, 45s, 47, 47s, 37, 1156, 1156s, 1161, 1161s, 1164, 1164s. Mad Mike # 1200, 1201, 0701, 0700, 0900, 0901. Chassis: Unlimited, ball bearings allowed, wheelie bars are allowed not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 3/4" minimum diameter Motors: A/FX Group 20 c-can. Ball bearings allowed. B/FX Group 15 c-can. No ball bearings. C/FX Group 12 c-can. No ball bearings. D/FX Super 16d type motors. No ball bearings. E/FX Stock 16d type motors. No ball bearings. Rear wing: Permitted, but must conform to the following dimension from the most extreme (highest or most rearward molded Plastic) Plane of the deck lid maximum 1 1/2" overhang Weight: 90 gram minimum weight. Fuel Coupe (Funny Car) Classes AA/FC: Fuel funny car. Group 7 motor. Ball bearings allowed. TA/FC: Top alcohol funny car. Group 27 motor. Ball bearings allowed. A/FC: Injected alcohol funny car. C-can group 20 motor. Axle and motor ball bearings allowed. S/FC: Sportsman funny car. C-can group 20 motor. No ball bearings allowed. Shunt wires are Permitted. Jr./FC This class is intended for but, not restricted to racers under the age of 16. The car will use any 16d type motor. The chassis can be a maximum of 5 3/4" long from the nose to the centerline of the rear axle. Wheelie bars are Permitted, 3 1/2" maximum length. No ball bearings in chassis or motor. This class will run on a breakout time of 1.20 seconds with a full (.500) tree. The breakout time can be changed based on local track conditions. E/FC: Economy funny car 16d type motor. No shunt wires or ball bearings allowed. Body: 1980 or newer funny car body. All classes except AA/FC must have full interior and at least the tail light Portion (full width) on the rear of the body. Booth # 1187, 2012, 25, 24. DRS # 511, 507, 521. Mad Mike # 0500, 0501, 2300, 2301. Outisight # 043. Parma # 1076, 1077, 1050, 1068, 1066. Chassis: Unlimited, except for 12" maximum overall length (front diaplane to the centerline of wheelie bars). Ball bearings are allowed except in E/FC and S/FC.(E/FC and S/FC must have a minimum weight of 110 grams. Oilites may be soldered in Place. Front tires: 1/2" minimum diameter. Weight: No minimum weight, except for A/FC which has a 90 gram minimum, and S/FC and E/FC which has a 110 gram minimum. Pro/Modified P/M Pro Modified Body: Plastic model car, or resin cast body (no lexan) sedan or hardtops; no convertibles, dragster, or funny car bodies are Permitted. Body must have Pro style hood scoop, top hat or blower extending through hood. Rear wing: Permitted, 1 1/2" maximum overhang. Chassis: Unlimited, ball bearings allowed. Wheelie bars are allowed, not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 3/4" minimum diameter. Weight: 120 grams minimum weight. Motor: C-can group 12 Pro Stock P/S Pro Stock Body: 1985 or newer American sedan body. Body may not be chopped, lowered, or have wheel wells enlarged, body must have Pro style hood scoop. Must have complete front and rear bumpers as delivered by factory on original full scale cars. Booth # 36, 2005, 2006, 2010, 2002, 2018, 2011, 22, 1184, 1183. DRS # 513, 503, 518. Mad Mike # 1700, 1701, 2100, 2101, 1500, 1501, 2200, 2201. Parma # 1105b, 1071, 1078, 1104b. Trak Tek # 201. Rear wing: Permitted, but must conform to the following dimension from the most extreme (highest or most rearward molded Plastic) Plane of the deck lid: 1. Maximum 1 1/2" overhang Chassis: Unlimited ball bearings are allowed wheelie bars are allowed, not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 3/4" minimum diameter. Weight: 90 gram Minimum Weight. Motor: Group 27 Hard Body Pro Stock HB/PS Hard Body Pro Stock Body: Any year plastic or resin model car body sedan or hardtop. Funny car bodies are not allowed. Body may not be chopped, lowered, or have wheel wells enlarged. Body must have pro style hood scoop. Must have complete front and rear bumpers as delivered by factory on original full scale cars. Rear bumper may be notched for wheelie bar clearance. 1/16 in minimum clearance under body, gears and chassis. Front deplanes are not allowed. Rear Wing: Permitted, but must be level with the highest or most rearward molded plastic of the deck lid. Maximum 5/8 inch overhang. Chassis: Unlimited, ball bearings are allowed on rear axle. Wheel Base: Must conform to body wheel well openings. Wheelie bars are allowed, not to exceed 5 inches from the centerline of the rear axle to centerline of the wheelie bars. Front Wheels: ¾ in minimum diameter. Wheels must be mounted in a upright vertical position. Weight: 120 grams minimum weight. Motor: C-can type motor, group 20 armature, ball bearings are not allowed. Street Rod S/R: Street Rod Body: Street Rod style bodies ONLY. Booth # 2007, 1149, 43, 42, 40, 44, 46, 48, 33, 1163, 1166. DRS # 525. Mad Mike # 1000, 1001, 0200, 0201, 1800, 1801. Show Time # 011, 011a. Mr. Nitro # 160, 110, 140, 130, 120. Parma # 945. Chassis: Unlimited. No ball bearings allowed. Wheelie bars are allowed, not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 5/8" minimum diameter. Weight: 90 gram minimum weight. Motor: Super 16d type motors. Super Stock S/ST: Super Stock Body: Plastic model car, or resin cast body (no lexan) 1955 or newer American sedan, station wagon, Pick-ups. No dragsters, funny cars or foreign cars. Must be equipped with a minimum clear windshield and rear window, no wings or spoilers allowed except for original equipment on the stock car. May not be lowered, chopped or wheel wells enlarged. Must have complete front and rear bumpers as delivered by factory on original full scale cars. Any body modification's from OEM will cause the car to be classified as a super modified which will add an m to the classification! Chassis: Must conform to body markings. Wheelie bars are allowed, not to exceed 5" from centerline of rear axle to centerline of wheelie bars. Ball bearings Permitted in SS/A or SS/AM only. Weight: 125 grams minimum weight. SS/A: "C" can type motor group 20 armature, ball bearings and shunt wires Permitted. SS/B: "C" can type motor group 15 armature. Shunt wires Permitted. SS/C: "C" can type motor group 12 armature. Shunt wires Permitted. SS/D: Super 16d type motor. Unbalanced 12 armature. Ball bearings and shunt wires not Permitted. SS/E: Stock 16d type motor. Ball bearings and shunt wires not Permitted. Top-Gun T/G: Top-Gun Body: 1940 or newer body. No dragster or funny car bodies are Permitted. Must have complete front and rear bumpers as delivered by factory on original full scale cars. Booth # 2017, 1160, 42, 40, 38, 38S, 44, 41, 23, 21, 27, 39, 39S, 36, 31, 1192, 1192S, 46, 30, 29S, 28, 2001, 45, 45S, 47, 47S, 37, 1156, 1156S, 2005, 2010, 2002, 2014, 1153, 2013, 2015, 1178, 1178S, 2018, 2011, 22, 32, 1161, 1161S, 1184, 1164, 1164S, 1183, 2006, 2006S. DRS # 508, 516, 515, 518, 509, 502, 519, 520, 503, 506. Mad Mike # 1201, 1200, 0700, 0701, 1100, 1101, 0800, 0801, 0900, 0901, 1400, 1401, 1300, 1301, 0100, 0101, 0300, 0301, 0200, 0201, 1700, 1701, 2100, 2101, 1600, 1601, 2500, 2501, 1900, 1901, 2000, 2001, 1500, 1501, 2200, 2201. Parma # 948, 1105B, 1071, 1078, 1080B, 1079B, 1104B. Show time # 01, 05, 09, 010, 014, 018, 019, 030, 06, 06A. Trak Tek # 212, 206, 203, 213, 201, Mr. Nitro 180, 190, 100, 160. Rear wing: Permitted, but must conform to the following dimension from the most extreme (highest or most rearward molded Plastic) Plane of the deck lid: maximum 1 1/2" overhang. Chassis: Unlimited, ball bearings allowed. Wheelie bars are allowed, not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 3/4" minimum diameter. Weight: 90 gram minimum weight. Motor: C-can, ceramic magnets, any armature, ball bearings allowed. Top Sportsman T/S: Top Sportsman Body: 1950 or newer doorslammer type body. Body may be chopped, or lowered. May not have wheel wells enlarged. No altereds, dragsters, or funny car body's. Must have a hood scoop, top-hat blower, or engine detail. Must have rear bumper with no material removed from above the rear bumper. This includes artificial attempts to ventilate air from the inside of the body. Booth # 1165, 2017, 1160, 38S, 44, 41, 23, 21, 27, 34, 39S, 36, 31, 1192S, 30, 28, 45, 45S, 47, 47S, 37, 49, 48, 1156, 1156S, 2005, 2010, 2002, 2014, 1153, 2013, 2015, 1178S, 2018, 2011, 22, 32, 1161S, 1184, 1164S, 1183, 2006, 2006S. DRS # 508, 513, 516, 515, 518, 509, 502, 519, 520, 503. Mad Mike # 1201, 1200, 0700, 0701, 1100, 1101, 0800, 0801, 0900, 0901, 1400, 1401, 1300, 1301, 1700, 1701, 2100, 2101, 1600, 1601, 2500, 2501, 1900, 1901, 2000, 2001, 1500, 1501, 2200, 2201. Parma # 948, 1105B, 1071, 1078, 1080B, 1079B, 1104B. Show Time # 01, 05, 09, 010, 014, 018, 019, 030, 06, 06A. Trak Tek # 212, 206, 203, 213, 201. Mr. Nitro # 180, 190, 100. Rear wing: Permitted, but must conform to the following dimension from the most extreme (highest or most rearward molded Plastic) Plane of the deck lid: 1) maximum 1 1/2" overhang. Chassis: Unlimited. Ball bearings allowed. Wheelie bars are allowed, not to exceed 5" from the centerline of the rear axle to the centerline of the wheelie bars. Front tires: 3/4" minimum diameter. Weight: 90 gram minimum weight. Motor: C-can group 20 motor. Ball bearings allowed. Competition Eliminator .790 Second Dial-In (.440 For 1/8 Mile .640 For 1000' Tracks) C/E: Competition Eliminator Body: Any 1/24 Or 1/25 drag body. Weight: No minimum weight. Motor: No restrictions. Super Comp .890 Second Dial-In (.540 For 1/8 Mile .740 For 1000' Tracks) S/C: Super Comp Body: Any 1/24 Or 1/25 scale drag body. For Dragsters, Funny Cars, factory experimental-type cars, and doorslammers. Motorcycles prohibited. Weight: No minimum weight. Motor: No restrictions. Super Gas .990 Second Dial-In (.640 For 1/8 Mile .840 For 1000' Tracks) S/G: Super Gas Body: Any 1/24 Or 1/25 "Doorslammer Style" drag body. Reserved for full-body cars, with full fenders, hood, grille, top, windshield and functional doors. Bumpers optional. Left-hand steering street roadsters permitted. Open-wheel Altereds, Dragsters, Funny Cars or motorcycles Prohibited. Weight: No minimum weight. Motor: No restrictions. Super Street 1.090 Second Dial-In (.740 For 1/8 Mile .940 For 1000' Tracks) S/S: Super Street Body: Any 1/24 Or 1/25 "Doorslammer Style" drag body. Reserved for full-body cars, with full fenders, hood, grille, top, windshield and functional doors. Sports Cars, Vans and Panel Trucks permitted. Open-wheel Altereds, Dragsters, Funny Cars, or motorcycles prohibited. Weight: No minimum weight. Motor: No restrictions. Heavy Street 1.290 Second Dial-In (.940 For 1/8 Mile 1.090 For 1000' Tracks) Body: Any 1/24 Or 1/25 "Doorslammer Style" drag body. Reserved for full-body cars, with full fenders, hood, grille, top, windshield and functional doors. Bumpers optional. Left-hand drive street roadsters, and motorcycles permitted. Open-wheel Altereds, Dragsters, Funny Cars Prohibited. Trophy Street 1.390 Second Dial-In (1.040 For 1/8 Mile 1.190 For 1000' Tracks) Body: Any 1/24 Or 1/25 "Doorslammer Style" drag body. Reserved for full-body cars, with full fenders, hood, grille, top, windshield and functional doors. Bumpers optional. Left-hand drive street roadsters, and motorcycles permitted. Open-wheel Altereds, Dragsters, Funny Cars Prohibited. Volkswagen (Pro/Stock Pro/Turbo) Class designation: P/SVW Pro-Stock VW P/TVW Pro Turbo VW Body: 1949 or later beetle, karmann ghia, type 3 (squareback, fastback, notchback, or type 3 ghia,) or type 4 (411, 412;) no buses, or topless roadsters allowed. Convertibles are Permitted, but must run with full top, and top must be Painted to match color scheme of main body. Body may be chopped, channeled, sectioned. All bodies must have front and rear windows with clear or lightly tinted "glass". Stock wheelbase for body used cannot be altered. No fender cut-outs for tire clearance allowed. Rear deck "air box" motor covers Permitted. "air cooling vents" may be cut into rear of air box, but must be rounded end vertical style matching those on full scale P/s VW's. Stock rear deck lid may be removed if covered by air box. No round holes or vents may be cut into stock rear deck lid. Hard-shell (styrene or resin) or lexan bodies allowed. No "funny car" style bodies Permitted. Booth # 1153, DRS # 517. Belly Pans: Permitted, but cannot extend beyond the lower edges of the body used. Front tires: 5/8" minimum diameter, 3/4" diameter recommended. Chassis: Wheelbase must remain stock length for body used. No ball bearings allowed. Motor: Pro stock VW super 16d. Pro turbo VW group 12. Rear wing: Permitted no limitations on length, but must not be wider than the widest Point of the body used. Side dams "Spill Plates" allowed, no Part of which may extend forward beyond rear edge of side quarter windows. Wing must be attached at it's front edge to the body and the mounting Point must be below the rear window. No roof mounted spoilers or "top fuel style" wings Permitted. Wheelie bars: Allowed, not to exceed 4" from the centerline of the rear axle to the centerline of the wheelie bar axle. Weight: 90 grams minimum weight. Quick 8 The quickest 8 qualifiers make the field, then you set your dial-in and bracket race on a Pro tree!! Body: Any 1/24 Or 1/25 "Doorslammer Style" drag body. Reserved for full-body cars, with full fenders, hood, grille, top, windshield and functional doors. Motor: C-can group 20. Quick 16 The quickest 16 qualifiers make the field, then you set your dial-in and bracket race on a Pro tree!! Restrictions: None, except cars must comply with general rules ( safety, clearance, tire, body, etc.) Track Owner Option: Track Owner may choose to qualify all entries in Quick 8 & Quick 16, then have those that make the field pay before elimination's. Bracket Racing Rules Class designations: 3.0 second maximum dial-in. 1.200 for 1/8 mile tracks. Restrictions: None, except appearance and "general rules". Rules are as follows:
Definitions: Sedan: An enclosed automobile usually with front and back seats. Coupe: A 2-door automobile with an enclosed body and separate luggage compartment. Hard Top: An automobile resembling a convertible but having a rigid top. Doorslammer: Any car if it was full scale the doors would open and close. Hood, and side doors. Altered: A pre 1948 style coupe, sedan, or roadster body required. Fenders optional. Convertible: An automobile with a top that may be lowered or removed.
By Popular Demand The SDRA has incorporated some simple rules for Raceways to run their Road Racing events by. These rules use the basic premise of the Drag Racing rules. By not having Imposed Price Restrictions which forces customers, raceway owners, and racers to buy products that are of lesser quality! You will also find that the motor rules are less restrictive (i.e. allowing shunt wires to be used so that more racers at least finish the race)! This modification definitely increases the longevity of the motor which in turn increases the racers enjoyment of Slotcar racing). So give them a try and let us know how you like them. Please give us suggestions on how to improve them for next year.
General Rules: Glue Conditions (Raceway Choice)
Glue zones must be clearly marked. Glue may be applied in these areas only. Glue may be removed from the turns with a clean, dry, rag only on your assigned lane. All gluing and cleaning of the track braid and straight sections must be completed before the power comes on. Nothing may be put down or removed during the racing.
The track will be cleaned and sprayed prior to the racing and may be re-sprayed as deemed necessary by the race director. The track surface in the turns may not be touched or altered in any way without specific and prior race director approval.
Qualifying for all classes. (Raceway Choice)
Track Calls The power will only be turned off for unfair or dangerous situations. The following are acceptable reasons:
Lap Counter The lap counter is considered correct unless it can be proved with out a doubt. The counter should be corrected if necessary (as when a car crosses in the wrong lane). If a major error occurs the race director may
Marshalling
Lane Change (Raceway Choice)
Track Power (Raceway Choice)
Controller Specifications
Road Racing Motor Specifications Motors must be available through major distributors and raceways. Grp. 12 motor must retain endbell and hardware that is original for the type of can used. May use any type of screws to retain endbell to can and magnet-clips are not required. May use spacers to limit endplay. May use armature dye. Any motor springs are permitted. Shunt wires are also permitted in Grp. 7 thru Grp. 12. Ball bearings are allowed in Grp. 7, Grp. 27, and Grp. 15. Oilites or bearings may be soldered or epoxied in place. Grp. 7, Grp. 27 or Grp. 15 motors may have a strap can and have no other restrictions except that Grp. 27 and Grp. 15 must meet armature specifications. Armatures: Must meet the following specifications:
Grp. 12 Motor Can: Must meet the following specifications.
Grp. 12 Endbells: Machine work not permitted. Endbells must be commercially available through major distributors. Grp. 12 Magnets: Must meet the following specifications. Magnets may not contain "rare earth" materials (defined as elements with atomic weights 58 thru 71). Quads are legal as long as they meet dimensional size. Magnet dimensions plus or minus 10% are as follows:
Stock 16d, or Super 16d Type Motors: Must be a stock or replacement armature installed in stock set-up with original magnets. No modifications except for armature retruing, or retiming you may solder or epoxy in oilites, you may glue or epoxy magnets in place. Armature spacers to limit endplay are permitted. You may use any springs or brushes. You may use armature dye and use any screws to retain endbell to can. Grp. 15, 27, and 7 Chassis Specifications Unlimited. May use axle bearings. No minimum weights. Motors:
Grp. 12 Chassis Specifications
Air Control Devices
Width
Wheels All cars must have front and rear wheels (2 each) with rubber tires.
Econo-Sport Bodies (Raceway Choice)
Chassis Specifications
Motors (Raceway Choice)
Tire & Wheel Specifications
4.5" Stock Car Or Truck Bodies: (Raceway Choice)
Rear Spoilers:Max. height is 3/8" measured from rear deck to top of spoiler. Racers-may add Lexan to the existing molded spoiler to meet this measurement. Chassis:
Gears:
Axles/Tires:
Motor Specifications: (Raceway Choice)
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