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2015 Zhuhai Motorsports Association Technical Regulation

Published Date:
2015-09-04

1.1 The following Technical Regulations govern the  ZIC organized event.

1.2 Vehicles Homologation.

Any current or past FIA N2000S and Group A 1600cc will be accepted. Non homologated mass production 1600cc cars will be accepted and modification guide line will be referred to FIA appendix J article 254 for Group N and article 255 for Group A technical regulation.

1.3 General Descriptions and Requirements.

  • 1.3.1 For N2000 class, FIA appendix J art. 254 will apply in full.
  • 1.3.2 For Super Production class, FIA appendix J art. 261 will apply in full.
  • 1.3.2 Production Cars with engine capacity up to 1600cc, FIA appendix J art. 255 together with article specified below shall apply.
  • 1.3.3 Engine can be normally aspirated only.
  • 1.3.4 Minimum vehicle weight will be 950 Kg for 1600cc (including driver).

1.4 Safety Requirements.

  • 1.4.1 The provisions of Appendix J from the FIA Year Book apply in full.
  • 1.4.2 Hand operated extinguishers homologated in accordance with Article 253(7.3) of Appendix J, of a minimum capacity of four kg are compulsory. Equipment must  fastened to the floor of the front passenger compartment, only rapid release metal mounting with metal straps will be accepted, or in accordance with Appendix J Art 253(7.2) FIA current year book.

1.5 General Technical Requirement

  • 1.5.1 Accepted cars must be mass-produced, series production Touring cars, have at least 4 seats and 2, 3, 4 or 5 doors, in accordance with the dimensions defined by the FIA for Touring Cars (Group A). For non homologated vehicle, entrant is required to provide vehicle technical detail specification when demanded by the organizer.   
  • 1.5.2 To be eligible to enter, cars must be identifiable series-production models and must race with an Engine based on that fitted to the original series production model.
  • 1.5.3 Intake manifold and air intake unit (butterfly) must remain standard item within the series production model.
  • 1.5.4 No modifications will be allowed air intake unit (butterfly). A permitted modification may not entail a non-authorized modification.
  • 1.5.5 Modifications and additions may only be made within the framework of these regulations. The only other work which may be carried out on the car is that necessary for its normal servicing, or for the replacement of parts worn out through use or accident.
  • 1.5.6 Articles 251, 252 and 253 of Appendix J to the FIA International Sporting Code apply, but the Regulations published in this document will have precedence.
  • 1.5.7    The Series Scrutineer (or his nominated deputy) has at all times the right to refuse to allow a car to participate in an Event, if in his opinion and in consultation with another Event Official of the Series, the preparation or the modifications permitted by these Regulations are not carried out in such a manner to make the car race worthy.
  • 1.5.8 All engine used for the event will be sealed by the Organizer and check after each race or session by the Chief Scrutineer or by order of the Clerk of Course.
  • 1.5.9  At the start of each event, practice or race, all cars must be clean and in good order. The Organizers reserve the right to forbid cars not meeting this requirement form taking part.

1.6 Chassis.

  • 1.6.1 Reference to the bodywork in these regulations includes chassis or body-shell.
  • 1.6.2 It is permitted to fit an on-board pneumatic system but the compressed air bottle must not be carried in the car.

1.7 Bodywork

  • 1.7.1 Exterior bodywork.
  • 1.7.1.1 Only those manufacturer install or manufacturer option aerodynamic devices  are allowed to mounted on the bodywork. The organizers will be the sole arbiters in any dispute concerning the eligibility of aerodynamic devices.
  • 1.7.1.2 It is permitted to bend inwards the metal edges of the wheel arches, or to shorten the inner edges of plastic (non-metallic) wheel arches.
  • 1.7.1.3 Sound-deadening material and plastic liners may be removed form the wheel-arch area. Plastic parts in the wheel-arch area may be replaced with aluminum ones of the same shape.
  • 1.7.1.4 Insulating or corrosion protection material may be removed.
  • 1.7.1.5 Exterior decorative trim parts may be removed. All parts that follow the outer contours of the bodywork and that measure less than 25 mm in any direction are considered as trim items.
  • 1.7.1.6 Bumper mountings are free, provided that the bodywork and the shape and the position of the bumper mountings are not altered.
  • 1.7.1.7 Production openings in the bodywork such as fog lamps may be used as air intakes. As long as the production apertures are not modified, it is permitted to fasten ducting to them.
  • 1.7.1.8 It is not permitted to add an undertray.
  • 1.7.1.9 The front screen wiper blades may be replaced. Any rear screen wiper blade and wiper motor fitted may be removed.
  • 1.7.1.10 Left and right door mirrors must be fitted. Rear-view mirrors are free, provided that their surface area is of at least 90-cm sq.
  • 1.7.1.11 It is permitted to reinforce the suspended parts provided that the material used follows the original shape and is directly contact with the area concerned.
  • 1.7.1.12 It is permitted to strengthen the whole body by welding or by the addition of material. This means that for example it is permitted to add a second suspension strut turret over the original by welding. When adding material, the principle must be borne in mind that any added material must follow the contours of the original and must be in contact with it. “Suspended parts” means those parts, which are sprung by means of the suspension, i.e. all elements, which lie behind the pivot point of the suspension parts.
  • 1.7.2 Interior bodywork.
  • 1.7.2.1 The front passenger seat and the rear seats must be removed, and the driver’s seat must be exchanged for a racing seat.
  • 1.7.2.2    All coverings, including the headlining, sound-deadening material, the standard seatbelts, the rear parcel shelf and the carpets, may be removed. It is not permitted to remove the weather strips from around any door, bonnet or tailgate/boot lid.
  • 1.7.2.3 The inner door panels and the inner side panels must not be removed but can be replaced by carbon composite material..
  • 1.7.2.4 Electric windows may be replaced by manual windows. The lifting mechanism of the rear door windows is free.
  • 1.7.2.5 Accessories that have no effect on the performance of the car are permitted. These accessories may not have any effect, even indirectly on the performance of the engine, steering, transmission, braking or road holding. It is permitted to alter the direction of the heating system piping within the driver’s cockpit, but the heading system must be operational and must not be removed.
  • 1.7.2.6 Air conditioning system may be removed.
  • 1.7.2.7 It is permitted to use either a left hand or a right hand drive version.
  • 1.7.2.8 The spare wheel must be removed.
  • 1.7.2.9 The function of all controls must be as foreseen by the manufacturer. It is permitted to make foot controls more easily usable by adding an additional block to the brake pedal.
  •  The following in particular are permitted:-
  • a. Additional measuring instruments, gauges, etc, provided that their fitment does not create a danger.
  • b. The horn may be removed.
  • c. The handbrake mechanism is free, and may be modified.
  • d. Seat mountings are free provided that they respect the provisions of Art.  253.16 of Appendix J of the FIA Yearbook.
  • e. It is permitted to add extra compartments to the glove box or in the doors.
  • f. The steering wheel is free. The steering column lock must be rendered inoperative.
  • g. It is permitted to remove the carpet and sound deadening material form the boot.

1.8 Engine.

  • 1.8.1 The maximum permitted capacity is the class limit. The bore and stroke must be as standard.
  •  The position of the engine must not be altered.
  • 1.8.2 Cylinder Head.
  • 1.8.2.1 The material of the cylinder head gasket is free. The thickness is free.
  • 1.8.2.2 The cam gears are free, provided that the cambelt or timing chain of the production type is used to drive the camshaft.
  • 1.8.3 Camshaft modification is free.
  • 1.8.4 Ignition.
  • The manufacturer and type of sparkplug, rev limiter, high-tension cables and ignition components is free.
  • 1.8.5 Cooling.
  • 1.8.5.1 The thermostat, as well as its control system and the temperature at which it opens, is free. Radiator ducting must respect 1.8.5.2.
  • 1.8.5.2 The radiator and its air ducting are free, as long as the radiator is installed in its original position, and its installation and the installation of its air ducting do not result in any alternations to the original bodywork.
  • 1.8.5.3 Oil coolers are free, but the bodywork must not be altered by the installation. It is only permitted to install the oil cooler outside the bodywork if it is below the wheel centerline, but it must not protrude beyond the periphery of the car when viewed from above.
  • 1.8.6 Mixture formation.
  •  It is permitted to double or to replace the accelerator cable with another irrespective of its manufacturer.
  • 1.8.7 Fuel injection: the original type of fuel injection system must be retained.
  • 1.8.7.1 The fuel injection electronic management system is free. All sensors and switches of the electronic management system are free. The standard sensors may be freely replaced by different transmitters, but not added to.
  • 1.8.7.2 The fuel injectors are free, provided their operating principle and location (including the dimensions of the port) remain unmodified.
  • 1.8.7.3 The measures permitted above may have no influence on the quantity of inducted air, which must remain as production specification.
  • 1.8.8 Air Filter.
  • 1.8.8.1 All air to be used for combustion must pass through an air filter. Air ducting ahead of the air filter housing is free. Air ducting from the air filter housing to the throttle-valve housing (carburetor/fuel injection unit) is free.
  • 1.8.8.2 Within the following limits, the air filter housing is free:-
  • a. There may only be one inlet to the air filter housing within a maximum diameter of 80 mm or a maximum cross section area of 50-cm sq.
  • b. The air filter housing must contain an air filter, capable of filtering dust particles: otherwise the air filter is free. All air entering the system must pass through this air filter.
  • c. The air filter housing may have only one exit ducting air to the throttle valve housing; a second exit with a maximum diameter of 3 mm, whose only purpose is to allow drainage of the air filter housing, is permitted or may be added.
  • 1.8.9 Lubrication.
  • 1.8.9.1 Baffle plates within the production oil sump are free, and the capacity of the production oil sump may be increased.
  • 1.8.9.2 Oil filters may be freely replaced by others, providing they correspond to the original. Oil filters may include replacement screw-on type oil filter cartridges. These may be replaced as long as they respect the following points:
  • a. All oil must pass through the oil filter.
  • b. The oil filter must filter dirt particles, but it is permitted to increase the oil flow rate relative to the original.
  • c. It is forbidden to modify the connection for the oil filter housing.
  • 1.8.9.3 An air/oil separator with a capacity of at leas 2 litre may be installed in the engine bay. The oil may only return by gravity to the engine. Gases must be routed back to the inlet system through a pipe connected to the air intake pipe, fixed between the Air Cleaner and throttle body.
  • 1.8.10 Flywheel is free.
  • 1.8.11 Engine mountings.
  •  Engine mountings may be replaced, providing the number remains the same and the installation of the engine is not altered.

1.9        Suspensions and Steering.

  • 1.9.1 Front axle.
  • 1.9.1.1 The production suspension mounting bushes may be changed for other bushes (e.g. silent blocks for harder rubber, aluminum bushes, and spherical bearings). The new mounting points and pivot points of the suspension may be moved to a maximum of 20 mm from the original mounting and pivot points. The production suspension parts may not, with the exception of the addition of the circlip grooves, be modified. This means that, after removing the suspension mounting elements, the production suspension mounting elements (e.g. the production silent blocks) must be able to be reinserted in working order in the respective suspension parts.
  • 1.9.1.2   The suspension joints (ball joints on the wheel hub side of control arms or suspension arms) may be replaced. The position of the new rotation points may vary spatially by a maximum of 20mm, with regard to the rotation point of the original production suspension joint.
  • 1.9.1.3   The steering track rods must remain as production; their joins at the wheel hub end are free.
  • 1.9.1.4 Power steering system can be removed.
  • 1.9.1.5 The top mounts of a combined spring/damper unit (MacPherson strut) on the front axle are free, provided that the production mounting points on the bodywork are retained and that each is mounted no further than 20 mm from the standard mounting points. Modifications to the bodywork are not permitted.
  • 1.9.2 Rear Axle.
  • 1.9.2.1 The production suspension mounting elements may be changed for other elements (e.g. silent blocks for harder rubber, aluminum bushing, and spherical bearings).
  • 1.9.2.2 Multi-link rear axles: It is permitted to elongate existing holes in the suspension arms and/or suspension mounting support structures (sub-frames, axle-carriers) up to a maximum of 10mm in both directions. The production suspension arms may be modified to permit camber and track adjustment.
  • 1.9.2.3 Single-link axles: The production suspension arms may be modified to permit camber and track adjustment. But the arrangement of spring and damper, and the distance from the pivot point of the suspension arm to the wheel hub center, must remain as production.
  • 1.9.2.4 Rear axles in general: The modifications permitted for the rear axle does not permit modifications to the bodywork.
  • 1.9.3 General.
  • 1.9.3.1 Suspension geometry is free unless otherwise stated.
  • 1.9.3.2 It is freely permitted to exchange the production anti-roll bars for others, providing these are mounted in the production locations. Anti-roll bars must be made of steel, and may not be adjustable from the cockpit.
  • 1.9.3.3 Track is free. Wheel spacers are permitted, as long as the conditions of Article 2.3 and 2.4 wheels and Tyres are respected.
  • 1.9.3.4 Strengthening of the suspension and its mounting points is permitted by the addition of material.
  • 1.9.3.5 The production wheel bearings may be exchanged for stronger bearings of the same type with the same dimensions as production bearing (outer and inner diameters and width).
  • 1.9.3.6 The production suspension bushes on the chassis and/or the suspension sub-frame may be exchanged for others (e.g. silent blocks of harder rubber, metal bushes, plastic bushes, etc.). But the position of the sub-frame or the mounting support structure must be maintained when measured in all three dimensions in an unloaded condition in relation to the production vehicle. It is prohibited to modify in any way the bodywork, the chassis/the suspension sub-frame or the original mounting points. That means that it must be possible at all times to refit the original suspension bushes to the chassis/sub-frame, and refit the chassis/sub-frame to the bodywork, in its production location.
  • 1.9.4 Springs.
  • 1.9.4.1 Coil springs:  Coil springs are free, providing they respect the following conditions. The number is free, providing the springs are co-axial and that the type of spring corresponds to the production spring. Spring seats may be adjustable, if the adjustable element is a part of the spring seat, and is separate from the suspension arm and the bodywork.
  • 1.9.4.2 Leaf springs:  The length, width and thickness and the vertical curvature of leaf springs is free.
  • 1.9.4.3 Torsion bar springs:  The type and diameter of torsion bar springs is free, provided they are made of steel, up to a maximum of +20% greater than the standard production unit.
  • 1.9.4.4 It is permitted to install a device(s) to prevent dislodgment of the springs from their locations.
  • 1.9.5 Dampers.
  • 1.9.5.1 Dampers are free; but must respect the number, type (telescopic, lever arm) working principle, (hydraulic, friction) and mounting points of the production vehicle.
  • 1.9.5.2 Providing that the damper has no guiding or load bearing function, a solid bush may be replaced by a spherical bearing, or another joint (e.g. a stiffer rubber or an aluminum sleeve).
  • 1.9.5.3 Gases filled dampers are considered to have the same working principle as hydraulic dampers.
  • 1.9.5.4 If it is necessary when replacing the damping element of a MacPherson strut or a similar suspension device, to replace the whole suspension strut, the replacement must be mechanically equivalent and use the same mounting points as the original production unit. In MacPherson suspension, the shape, dimension and material of the spring seats is free, and they may be adjustable.
  • 1.9.5.5 In the case of a hydropneumatic suspension, the volume, shape and material of the spheres may be changed, but not their number.
  • 1.9.6 Reinforcements.
  • 1.9.6.1 Reinforcement bars may be fitted on the suspension mounting points of the same axle, on the body shell or chassis, on each side of the car’s longitudinal axis, on condition that they are removable and attached by means of bolts. The distance between a suspension attachment point and an anchorage point of the bar may not be greater than 100mm, unless the bar is a transversal strut homologated with the roll bar, and unless there is an upper bar attached to a MacPherson suspension or similar. In order to attach the transversal strut, it is permitted to make three holes with a maximum diameter of 8.5mm each in the chassis, on each side of the same axle.
  • 1.9.6.2 In the latter case, the maximum distance between an anchorage point of the bar and upper articulation point will be 150mm.
  • 1.9.6.3 Mounting eyes for the reinforcement bar (transverse strut) may be welded to the bodywork.
  • 1.9.6.4 The reinforcement bar may not be mounted on the body shell or the mechanical parts unless as specified in 1.9.6.1 and 1.9.6.3 above.

2.0 Transmission.

  • 2.0.1 Gearbox.
  • 2.0.1.1 The standard production gearbox casing must be used. The internals of the gearbox are otherwise free (except that only steel components are allowed). 
  • 2.0.1.2 Maximum number of gears is five engageable forward gears; one engageable reverse gear, all in working order.
  • 2.0.1.3  The gearbox mountings are free, providing the number remains the same and installation of the gearbox is not altered.
  • 2.0.1.4 Gearbox and differential oil coolers are permitted. To this end it is permitted to   create a maximum of two holes in the gearbox. These holes may only be used for the inlet and outlet connections to the oil cooling circulatory system.
  • 2.0.1.5 The production bearings of the production gearshift linkage may be replaced freely by other bearings.
  • 2.0.1.6 The standard production gear lever may be extended and the gear lever must enter the cockpit through its original production aperture, which must not be modified.
  • 2.0.2 Clutch.
  • 2.0.2.1 The clutch is free but must respect the operating principle and the means of fixing to the flywheel must remain as the production car specification.
  • 2.0.2.2 The clutch cable is free.
  • 2.0.3 Differential.
  • 2.0.3.1 Final Drive ratios are free.
  • 2.0.3.2 It is freely permitted to install a limited slip differential in the production drive axle housing.
  • 2.0.4 Driveshafts.
  •  The driveshafts between the differential and the wheels are free, providing that their material is steel and the production constant velocity joints on the wheel side are used.

2.1 Electrical System

  • 2.1.1  Cabling.
  •  The engine-wiring loom is free. In other respects the wiring system is free, provided that the provisions that follow are respected.
  • 2.1.2 Battery.
  •  The manufacturer and capacity of the battery are free. It must be possible to start the engine at all times by means of the on-board battery. The battery must be securely fixed and covered so that leaks and short-circuiting is not possible. The battery must in its production location.
  • 2.1.3 Alternator.
  •  The alternator may be replaced by a more powerful unit.
  • 2.1.4 Lighting.
  •  The original lighting with the exception of fog lamps must be retained, and must be functional at all times during the event. The headlamp glass may be taped at the bottom and the top. However a 4-cm wide parallel strip, symmetrical to the headlight bulb, must be left uncovered across the whole width of the headlamp.
  • 2.1.5 Fuses.
  •  It is permitted to add additional fuses to the electrical system.

2.2 Braking System.

  • 2.2.1 The front wheel is free, provided that it uses the original mounting points of the production brake system and that it respects the following points:-
  • a. A maximum of 4 brake pistons per wheel are permitted.
  • b. The maximum permitted diameter of the brake disc is 300mm.
  • c. The brake disc must be made of a metallic, iron based material. Carbon composite material is not permitted.
  • d. Liquid cooling is not permitted.
  • 2.2.2 The following apply to whole brake system:-
  • 2.2.2.1 It is permitted to replace the production brake master cylinder, but the mounting point must not be altered.
  • 2.2.2.2 Brake linings and their fixings are free.
  • 2.2.2.3 It is permitted to fit a brake balance bar or valve between the front and rear brakes.
  • 2.2.2.4 It is permitted to remove or disable a brake servo system.
  • 2.2.2.5 It is permitted to relocate brake lines, provided that Art 253.3 of Appendix J of the FIA Year Book is respected. It is permitted to replace the production brake lines with aviation standard lines. The arrangement of the dual brake circuits is free.
  • 2.2.2.6 It is permitted to install duct per brake with a maximum inner diameter of 10cm. This inner diameter must be maintained over at least 66% of the length of the brake duct.
  • 2.2.2.7 It is permitted to use apertures in the production bodywork such as mounting point for fog lamps, as inlets for brake cooling ducts. If there are no apertures in the production bodywork, it is permitted to add two circular openings with a maximum of 10cm diameter in the front bumper.
  • 2.2.2.8 Brake shields may be removed or their shape altered.

2.3 Wheels

Maximum wheel width 8”. Wheels must be made of a metallic material and is one piece: otherwise wheels are free.

2.4 Tyres.

  • 2.4.1 Racing slick for dry weather use are permitted.
  • 2.4.2 The grooved wet weather racing tyres may only be used when the track is damp/wet.
  • 2.4.3 Dry/slick tyres and Grooved/wet tyres may not be mixed on a racecar. Wet tyres may only be fitted on all four wheels, and then only in damp/wet conditions.
  • 2.4.4 The uppermost half of the complete wheel (wheel and tyre) must be hidden by the wheel arch when viewed from above.

2.5 Minimum Weight included the driver and the required safety equipment installed inside the vehicle at the end of the race for 1600cc is 950 kg.
 
2.6 Fuel/Fuel System.

  • 2.6.1 Fuel tank.
  • 2.6.1.1 The standard fuel tank is acceptable and no modification is allowed.
  • 2.6.1.2 Safety tanks complying with FIA specification is allowed, installed either in the boot or the production location.
  • 2.6.1.3 Refueling only from outside of the car. The location of the filler is free; except it is not permitted to locate on a glass surface and it may not stand proud of the bodywork.
  • 2.6.1.4 The total capacity of the entire fuel system of Safety tank must be no greater than 100 litres.
  • 2.6.1.5 The construction between the filler and the fuel tank must be fireproof and leak proof, as must be the breather from the fuel tank. In the case of a fuel tank installed in the luggage area of a hatchback car, it must be enclosed in a fireproof and leak proof casing; in all other cases there must be a fireproof and leak proof bulkhead installed between the passenger area and the boot.
  • 2.6.1.6 Aviation standard fuel lines must be used; otherwise fuel lines are free, providing they respect the provisions of Art. 253.3 of Appendix J of the FIA Year Book.
  • 2.6.1.7 Fuel pumps: Type is free but only two additional fuel pumps (over the number fitted to the production model) are permitted.
  • 2.6.2 Fuel and combustion materials
  • 2.6.2.1 Only fuel that available from each circuit’s official supplier is permitted.
  • 2.6.2.2 Any modification of the prescribed fuel is forbidden. It is therefore prohibited to add or to remove any substance whatsoever, or to alter its concentration. It is forbidden to mix the prescribed fuel with another.
  • 2.6.2.3 Each competing car must have at least 5 litres of fuel left in its fuel tank after each official practice period and race.
  • 2.6.2.4 The only permitted combustion material in addition to the fuel is air drawn from the surrounding natural environment.

2.7 Exhaust System.

  • 2.7.1 The exhaust system is free from the exhaust port of the cylinder head. The maximum permitted noise level is 110 dB (A) measured at 0.5 meters from the exhaust outlet at an angle of 45 degree to the direction of travel of the car at 3/4 maximum rpm, in accordance with the FIA Appendix J Art.262, Exhaust 4.2.17.
  • 2.7.2 The exhaust pipe outlet must be situated at the rear of the car and must point rearwards, between the rear wheels. The exhaust pipe outlet must be situated no more than 10cm inboard of, and must not protrude beyond, the rearmost point of the car.

2.8 Numbers and Championship Decals.

  • 2.8.1 Permanent championship numbers for the year will be allocated at the sole discretion of the Series Organizers.
  • 2.8.2 Competitors must supply, at there own cost, the Driver’s Surname on both side rear windows of the competing vehicle and on the rear screen so it is visible form behind. Helvetica Bold Style lettering must be used in white pre spaced vinyl without background, with height of 100mm. Upper case letters must be used for the first letter of the surname, all other letters in lower case.