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Top speed competition rules 2024
1. Classes
1.1 | A - up to 3400 cm³ naturally aspirated and up to 2000 cm³ petrol engines with power adder* and up to 2000 cm³ diesel engines. |
1.1 | B - up to 4600 cm³ naturally aspirated and up to 2700 cm³ petrol engines with power adder* and over 2000 cm³ diesel engines. |
1.1 | C - over 4600 cm³ naturally aspirated engines and over 2700 cm³ petrol engines with power adder*. |
1.1 | * - power adder means the use of turbocharging, mechanical supercharging and/or nitrous.
The displacement of an engine using power adder is multiplied by 1.7. The displacement of a rotary engine is multiplied by 1.7 and that of a rotary engine using power adder is multiplied by 3.4. Up to 1% tolerance in engine displacement is accepted. |
2.General rules of the competition
2.1 | The aim of the competition is to achieve from a standing start the highest top speed by the end of 1 mile (ca 1609 m) or ½ mile (ca 805 m) distance. The rules are the same for both distances. |
2.2 | Every competitor may compete with one car and in one class and no other competitor may compete in the same car. |
2.3 | Participants compete one by one. Each competitor has 2 attempts, the best of which counts. |
2.4 | Speed is measured with 1 km/h precision. |
2.5 | If the best results of two or more competitors is similar, the final ranking will be determined based on the second best results. If those too are similar the best score of the last round will be considered. And if those too are similar, the competitor, whose car has smaller engine displacement, will prevail. In case of forced induction (incl N2O) the displacement will be multiplied with 1,7. If all circumstances are similar or if there is an ambiguity regarding the results, the Chief Referee may require an additional racing attempt. If one competitor forfeits, the one that completes the racing attempt wins. |
2.6 | Results will be displayed on an official board after each round and if possible in real time on the website of the event. |
2.7 | No refund of the participation fee will be granted in case the competitor will not or will not be allowed to compete at reasons not dependent on the organizer. |
2.8 | No refunds will be granted in case of cancellation or abortion of the competition in case of force majeure (eg wheather conditions), both to competitors and spectators. |
3. Relief of the organizer from liability
3.1 | The competition involves a very high risk to the life and health of the competitors and third persons. |
3.2 | Despite of acting in conformity with the rules and the organizers' efforts to assure the safety, accidents involving damage to the property or health of a competitor or a third person or even death, may occur. It is likely that insurance will not cover the damages occurring at this competition. |
3.3 | In the course of the competition a severe monetary damage may occur, which will not be covered by liability or damage insurance. |
3.4 | Competitors must confirm with their signatuure the following: |
3.4.1 | They understand the risks stipulated in points 3.2 and 3.3 and are willing to take them despite the lack of insurance protection. |
3.4.2 | In case of damage they take sole liability as stipulated by law. |
3.4.3 | They relieve the organizer from any liability whatsoever before them and third persons in connection with damages occurred in the competition. |
3.4.4 | They will raise no claims against the organizer for whatever damages and forbid third persons raising such claims against the organizer on behalf of them or third persons. |
4. Safety rules
4.1 | Participation in the competitors' meeting is mandatory! |
4.2 | Only thos cars which comply with the rules and pass the technical inspection and competitors who use required safety equipment are allowed to compete. |
4.3 | The competitor is liable for the technical condition and safety of the car. As the pre-competition inspection is performed in outside conditions without any special equipment, its scope and efficiency is limited. Hence it is the competitors' duty to arrange shortly before the competition the due inspection of the car in a service garage or official technical inspection which has appropriate equipment. |
4.4 | In case of doubt in terms of the safety of the car, the competitor must notify the official performing the technical inspection. If the probleem affecting the safety of the car emerges or is discovered after the technical inspection and cannot be eliminated, the competitor must immediately notify the Chief Referee and withdraw from the competition. |
4.5 | In the technical isnpection each car is awarded an individuaal speed index, that determines in which safety class that particular car belongs |
4.5.1 | In case of exceeding of the speed index by up to 15 km/h, the safety equipment of the competitor and the car must be brought in line with these rules, in order to continue competing. |
4.5.2 | In case of exceeding of the speed index by 16 km/h or more the result of the attempt will not be accounted for and further attempts are not allowed. |
4.6 | The Chief Referee has the right to reject a car which complies with the technical and safety rules of the competition, but is considered unsafe by the Chief Referee. This applies particularly to situations where the car's top speed has significantly increased due to modifications, but brakes, suspension, handling and other safety structures are not matching. |
4.7 | A 20km/h speed limit applies in service area. Competitor, who violates it and creates dangerous situations will be disqualified. |
4.8 | No loose items (including in the door compartments etc) are allowed in the car during racing attempts, driver’s doormat removed and windows must be closed, |
4.9 | Driver's seat belt must be fastened and tightened. A compliant and fitting helmet must be worn and chin belt fastened and tightened. |
4.10 | Competitor must hold the steering wheel with both hands at all times during the racing attempts, except for the time for gear changes and operation of the braking chute(s) or fire distinguishing system. |
4.11 | Competitor must individually evaluate the safety of his/her attempt. If the competitor considers the risk too high he/she is immediately required to abort the competition and notify the organizer about the danger. |
4.12 | On the racing track (acceleration and braking area) it is forbidden to drive in a wrong direction. |
4.13 | In case of a technical failure without doubt of fluid leak the competitor must reduce speed and drive to the end of the track. If this is not possible, park the car at the side of the track. |
4.14 | If a technical failure includes whatever fluid leak or doubt thereof, the competitor must stop at the side of the track immediately. |
5. Requirements to the competitors and equipment
5.1 | In the final registration the competitors must present their driving license and the car's registration certificate and certify that they have a right to use the car that they wish to compete in. |
5.2 | All competitors must wear a helmet during the racing attempt. Certified motohelmets are permitted, but it is recommendable to use an autosport helmet approved according to FIA standards. |
5.3 | Competitor whose estimated speed is at least 250 km/h must wear an autosport helmet that complies with one of the following standards: FIA 8858-2002, 8858-2010, 8859-2015, 8860-2004, 8860-2010, 8860-2018, Snell SA2010, SA2015. Homologation may be expired. |
5.4 | The helmet must fit the driver and its belt must be fastened during racing attempts. The helmet cannot be damaged and it cannot have been in a crash or damaged by dropping. |
5.5 | Competitor must wear clothing that covers his/her whole body, legs and arms. Nylon or any other easily melting material is forbidden. It is recommendable to use racing equipment that is in compliance with FIA 8856-2000 or 8856-2018 or SFI 3.2A/5 standards and fireproof underwear. |
5.6 | Competitor must wear covered and thin-footed footwear. It is forbidden to compete in light sandals or open shoes. It is recommendable to use footwear in compliance with with FIA 8856-2000 or 8856-2018 or SFI 3.3/5 standards. |
5.7 | Competitor whose estimated speed is at least 250 km/h must wear gloves that cover his/her fingers and palms and are made of leather or other fire-proof material. It is recommendable to use gloves in compliance with FIA 8856-2000 or 8856-2018 or SFI 3.3/5 standards. |
5.8 | Competitors whose equipment is not in compliance with the rules will not be permitted to start. In case the competitor’s result exceeds the maximum speed allowed for his/her driving equipment, taking into account the relief stipulated under P 4.5 and additional requirements under Chapters 7 or 8, he/she will be disqualified and his/her result annulled |
6. Requirements to the cars
6.1 | Allowed are M1 and N1 category cars. |
6.2 | Statutory technical inspection is required, except if the car meets the requirements of Chapters 7 or 8. |
6.3 | The driver’s seat must have a headrest and at least 3-point seatbelt. |
6.4 | Cars with rollcage are required to have: |
6.4.1 | Seat FIA 8862-2009 or 8855-1999. Installation FIA Sport Codex Annex J Art. 253.16. |
6.4.2 | Seat belt FIA 8853-98, 8853-2016, SFI 16.1, 16.5. Installation Annex J Art. 253.6. |
6.4.3 | Rollcage paddings Annex J 253.8.4 or SCTA 3.D.1. |
6.4.4 | Window net J Art. 253 11.2 or SFI 27.1. |
6.5 | The homologation of the seat and seat belts may be expired, but they cannot have been in a crash or be damaged. Seat belts may not be stretched or worn and locking mechanism must work smoothly. |
6.6 | The car must have a towing eye or hook at the front or on the roof. In case of removable towing eye or hook it must be installed before technical inspection and kept installed during the whole competition. |
6.7 | The car must not have any fluid leaks. |
6.8 | The car must have front doors that can be opened both from inside and outside during the whole competition. Taping of front doors is prohibited. Rear doors taping is prohibited if the battery is located inside the car behind front seats. In such case rear doors must be opened from outside. |
6.9 | The driver's and passenger's doors must have a cover or upholstery on the inside. |
6.10 | The dashboard and center console until the end of front seats can be removed or replaced with a self made on only in case the car has a rollcage. There cannot be any sharp edges on the firm parts of the dashboard near the driver that could create injuries. |
6.11 | The windshield must be standard and without damages. |
6.12 | The passengers' compartment must be separated from the engine and power transmission. No open holes are allowed in the firewall, |
6.13 | There must not be any fuel or engine cooling lines or hoses in the passengers' compartment, other than those of the stock heating system. |
6.14 | The fuel tank must be separated from the passengers' compartment with a fireproof wall so that no fuel could get into the passengers' compartment. A fuel tank made of composite materials must be grounded. Fuel tank must be ventilated to the atmosphere. |
6.15 | The competitors must notify the technical inspection if the car is using alcohol as fuel or LPG, CNG or chemical supercharging. |
6.16 | It is allowed to use only publicly marketed, certified and officially manufactured nitrous devices. System must be installed according to manufacturer instructions. The bottle of nitrous gas must be equipped with excess pressure valve that is ventilated outside the passengers' compartment. |
6.17 | The car must have hydraulic brakes on all wheels. The brake lines cannot be located in the driveshaft tunnel or be the lowest part of the car. |
6.18 | The use of steering solutions which change the axle geometry (eg Wisefab) is prohibited. |
6.19 | The car's wheels and tires must be covered from view from above. It is allowed to use fender wideners. Any contact between the car's tires and body parts must be completely outruled. |
6.20 | It is allowed to use only E or DOT marked tires qualified for street use. Use of tires with M+S marking, with over 6 years of age or which are retreaded is prohibited. |
6.21 | The tires may not have any mechanical damages and whatever type of repairs. Minimum tread depth is 3 mm. On one axle only tires with identical size, model and wear can be used. |
6.22 | Tires must be märked with speed index, which must be higher than the car’s expected tops peed result. The weight index of the tires must be in compliance with the car's actual racing weight. |
6.23 | All driving axles must have differentials. It is prohibited to use welded 100% differential locks. |
6.24 | Non-filtrated ventilation of the oil sump into atmosphere is prohibited. |
6.25 | Exhaust manifolds must be used. The exhaust system must be leak free, without damages and safely fixed so that any contact between the exhaust system and the ground would be avoided at any time during the racing attempts. The exhaust system must be pointed out backwards from under the car, away from the driver and fuel tank. |
7. Additional requirements starting from 291 km/h
7.1 | The competitor must have a racing license. |
7.2 | The competitor must use certified safety equipment as stipulated in P. 5.3 – 5.7. |
7.3 | It is recommendable to use neck support in compliance with FIA 8858-2010 standard. |
7.4 | The car must have a FIA compliant rollbar (see Drawing 12, FIA: https://www.fia.com/sites/default/files/2020_fia_drag_racing_technical_drawings.pdf) |
7.5 | It is mandatory to have installed safety equipment according to P 6.4, except P 6.4.4. |
7.6 | Fire distinguishing system in compliance with Annex J Art 253.7.2 with min. 3 kg distinguishing substance is mandatory. The gauge on the fire distinguisher must show green and the fire distinguisher must have a valid label of inspection within the last 24 months. The splint of the balloon or triger must be removed right before the racing attempt. |
7.7 | The car must have an external metal main electricity switch, positioned either on the rear panel of the car or the panel beneath the windscreen. The swhich must cut the battery, alternator, lights, ignition and other circuits and stop the engine. The switch must be marked with a blue triangle with a side length of 80 mm and not more than 200 mm. |
7.8 | The car’s bonnet and trunk fastenings must be replaced with such that can be opened from the outside. In case of removal of hinges at miinimum 4 fasteners must be used. |
7.9 | A rear wheel drive car must have a cardan ring with the measures of 6 mm x 50 mm x 360 degrees, which cannot be installed closer than 152 mm to the front cardan joint. |
8. Additional requirements starting from 311 km/h
8.1 | The competitor must use certified safety equipment as stipulated in P. 5.3 – 5.7 and neck protection as stipulated in P. 7.3. Homologation must be valid |
8.2 | The car must have a roll cage, the material, installation and documentation must be in compliance with Annex J Art. 253.8. At minimum the following is required: |
8.2.1.1 | Base frame: in accordance with FIA Appendix J Art 253 p. 8.3.1 (drawings 253-1, 253-2, 253-3). |
8.2.1.2 | At least 2 diagonal supports (drawings 253-7). Installation in accordance with P.8.3.2.1.1 instructions. |
8.2.1.3 | Side protection: "X"-shaped on both sides (drawing 253-9). Installation in accordance with P.8.3.2.1.2 instructions. |
8.2.1.4 | Roof protection: in accordance with P.8.3.2.1.3 instructions (drawings 253-12; 253-13 or 253-14). |
8.2.1.5 | A-pillari protection: in accordance with P.8.3.2.1.4 instructions (drawings 253-15). |
8.3 | It is allowed to add additional elements and tie the roll cage with struts. |
8.4 | It is required to have installed safety equipment as stipulated in P. 6.4.1 – 6.4.4. Homologation must be valid. |
8.5 | Applicable are all requirements stipulated in P. 7.1 and 7.6 – 7.9. |
8.6 | The car must be equipped with a braking chute or chutes in compliance with FIA requirements. The splint of the chute must be removed immediately before the racing attempt. |
9. Fast street car
9.1 | „Fast street car“ is considered to be a street legal car, the top speed of which according to the official technical data publicized by the manufacturer is at least 280 km/h. |
9.2 | The additional requirements to the car and competitor under Chapters 7 – 8 are not applicable to „Fast Street Cars“, unless the top speed according to the technical data publicized by the manufacturer is exceeded during the racing attempt: |
9.2.1 | By 10% or more in case of cars up to 10 years of age;. |
9.2.2 | By 5% or more in case of cars of 11 and more years of age. |
9.3 | In order for the car to be treated as a „Fast Street Car“ the competitor must submit the top speed of the car according to the manufacturer in the electronic registration form and present the relevant proof in the technical inspection before the competition. |
9.4 | A competitor competing with a „Fast Street Car“ must have a racing license if the top speed achieved in a racing attempt is 330 km/h or more. |
10. Sanctions
10.1 | Competitor will not be allowed to the upcoming racing attempt in the following cases: |
10.1.1 | Competitor violates the requirements to the competitors as per these rules during the competition. |
10.1.2 | After the technical inspection changes are made to the car, that are not notified and agreed upon with the Chief Technical Inspector and as a consequence of which the car is no longer in compliance with these rules. |
10.1.3 | Competitor is late for the start of his/her racing attempt. |
10.2 | Competitor will be disqualified and his/her competition results will be annulled in the following cases: |
10.2.1 | Competitor is under influence of alcohol, consumes alcohol in the racing venue or is under influence of drugs. |
10.2.2 | Competitor exceeds his/her speed index, taking into account what is stipulated under P. 4.5. |
10.2.3 | The competitor does not obey the traffic signs and exceeds notably the speed limits outside the racing track. |
10.2.4 | Driving on the racing track or return lane in opposite direction. |
10.2.5 | The competitor uses any place in the competition area to test or tune the car without obtaining prior approval from the Chief Referee. |
10.2.6 | Competitor acts unsportsmanlike and/or creates a dangerous situation. |
10.2.7 | The companions and/or team members (mechanics and other assistants) violate the general upkeep of the competition (including disturbing others, laying out garbage etc) and/or do not obey the instructions of the Chief Referee or organizers (including a demand to leave the competition venue). |
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