ESTfield Racing
Technical regulations for the ESTfield-Racing Baltic Championship 2002


ESTfield-Racing Baltic Championship TECHNICAL REGULATIONS 2002


1. The regulations are in force from the 1st of January 2002 until the 31st of December 2002, or until their modification. All modifications that are not specifically allowed in the Technical Regulations are prohibited.



ESTfield Racing: A single seater open-topped sports car which has been manufactured by VST or is home-built. The car must  fulfil the requirements of  these technical regulations. Only rear wheel drive is permitted

EAL- Estonian Motorsports Association

RK- EAL Circuit Commission

VST- AS Võidusõidutehnika (RaceTech Ltd).

NOT LIMITED - The relevant component may be modified or replaced. There are no limitations regarding the material, shape or quantity of the component. The component may be removed so long as the safety requirements are not contravened.

PRODUCTION- the specified component as produced by the manufacturer, without any mechanical, thermal, chemical or other modification.



3.1. In the points not elaborated in these technical regulations, safety requirments must comply with art. 253 of the EAL regulations.

3.2. Safety belts- FIA homologation (may be expired), 6 point

3.3. The driver must be able to release the safety harness and exit the car within 5 seconds.

3.4. The driver's seat anchorages to the bodyshell must comply with drawing 253-52 of the EAL Yearbook regulations

3.5. Safety cage - the car must have VST production safety cage and longitudinal strut both displaying VST serial numbers. The parts of the cage closer than 50 mm to the driver's head must be padded using at least 8 mm thick soft material. A schematic of the safety cage with dimensions is given in Fig. T1.

3.6. Fire extinguishing system- art. 253: there must be a securely fastened fire extinguisher in the car with a mass of at least 4 kg. The extinguisher type must be accepted by the EAL technical commission. The use of CO is prohibited.

3.7. Cockpit heating system- not limited. If the heating radiator is located in the cockpit then there must be a metal or plastic shield between it and the driver to protect the driver from hot fluid.



4.1. Chassis- manufactured by VST. No modifications to the chassis are permitted except engine and gearbox mounts.

4.2. The car's silhouette and external dimensions must not be modified, (Fig. K1). The underside of the car should be smooth.

4.3. RHD or LHD- permitted

4.4. If the tyres on one side of the car are deflated no point on the car except the tyre and wheel may come into contact with the ground.

4.5. A sump-guard may be fitted under the engine and gearbox. The sump-guard material is not limited, but titanium is not permitted.

4.6. The clearance of the fully fuelled car with driver must not be less than 50 mm.

4.7. Wings – manufactured by VST. Wings may not be widened or modified in any way.

4.8. Engine cover (bonnet) – manufactured by VST. Additional apertures may be made for cooling and to accommodate air-filters. There must be no access to the moving parts of the engine through the apertures. The bonnet must be secured with fasteners that prevent it opening when the cat is in motion.

4.9. The dashboard. The instrument console and switches must not injure the driver in the event of an accident.

4.10. Rearview mirrors- with a minimum area of 40 cm2 must be fitted on both sides of the car. The mirror surface must not be damaged.

4.11. Windscreen - A polycabonate aeroscreen with a min. corner radius of 25 mm is permitted.

4.12. External lights- The car must have a rear fog light fitted in accordance with the Estonian Traffic Regulations. A rear brake light, at a height of at least 700 mm from the ground must be fitted in the centre of the car's rear panel. All lights must be covered with adhesive transparent film. Min bulb sizes: brake and fog lights 21W.

4.13. Towing eyes - easily accessible towing eyes must be fitted to both the front and rear of the car. The eyes must be brightly coloured and eye-catching. Viewed from above, the towing eyes must not protrude beyond the external dimensions of the car. The minimum diameter of the opening of the towing eye is 50 mm.



5.1. The minimum weight of the car and driver is 550 kg. The minimum weight must be retained throughout the race.

5.2. Minimum weight may be achieved through the use of ballast. These should be rigid identical blocks that are fixed in the passenger space, and which can be sealed. The ballast is secured to the frame in accordance to the EAL Yearbook regulations for seat fixings.



6.1. 4 cyl, 4-stroke VAZ engines are permitted.

6.2. Swept volume- up to 1600cc.

6.3. Compression ratio- up to 11:1.

6.4. Induction system- not limited.

6.5. Petrol- retailed in Estonia.

6.6. Air filter and filter casing - not limited.

6.7. Petrol tank- aluminium. Manufactured by VST or a safety tank complying to FIA requirements. The fuel tank and filler opening must be located outside the cockpit.

6.8. Fuel collection reservoir - permitted up to 1 l capacity. Must not be located in the cockpit.

6.9. Capacity - the total capacity of all fuel tanks must not exceed 40 l. 

6.10. Petrol pumps- not limited, but must not be located in the cockpit.

6.11. Petrol pipes- must not be located in the cockpit, must have a metal outer covering, and must be firmly secured to the bodywork. Screw connectors must be fitted where pipes pass through the bodywork.

6.12. Inlet-manifold- not limited.

6.13. Exhaust system and silencer – on the side of the car. The silencer must not protrude beyond the outside dimensions of the car (see Fig. K1). Maximum noise level is 100dB (A). Noise measurement is carried out according to the FIA code, article 252 p.3.6. The silencer must be furnished with a shield to protect against contact with the hot metal surface. Variable exhaust systems are not permitted.

6.14. Engine block- production.

6.15. Cylinder head- production, skimming permitted.

6.16. Cylinder head gasket- not limited.

6.17. Crankshaft- original.

6.18. Conrods- original.

6.19. Pistons - only the weight of 3 pistons may be changed to level the weights of the pistons. 

6.20. Piston rings and gudgeon pins- not limited.

6.21. Camshaft - original, VAZ 21213 Niva camshaft with VST serial number may be used.

6.22. Cambelt pulley wheels and drive - not limited.

6.23. Flywheel - Original, may be lightened. Ring gear not limited.

6.24. Valves - original. The angle of the valve sealing  faces may not be changed. Valve springs - steel, not limited. Valve seats and guides - original.

6.25. Lubrication system- original. It is permitted to weld baffles into the bottom of the sump and direct the sump breather pipe into a transparent container of at least 2l volume that has a vent opening. The breather pipe fed into the container must be secured.

6.26. Ignition system- spark plugs, rev-limiter, and leads - not limited. Ignition management system parts - production.

6.27. Cooling system – not limited. The pump must be original. The radiator is not limited, as long as its location is not changed. Covers and deflectors may be used in front of the radiator. The bodywork must not be modified.

6.28. The use of ice - it is prohibited to use ice, either natural or chemical.

6.29. Oil coolers and their connections are not limited provided they are located within the bodywork and the bodywork is not modified.

6.30. Engine mounting- to the chassis with at least three mounting points.



7.1. Clutch plate- the number of plates must not be altered. Carbon fibres are prohibited.

7.2. Clutch bearing - not limited.

7.3. Gearbox- production, mechanical, up to 5+1 gears. Ratios must not be changed.

7.4. Half-shaft– not limited.

7.5. Gearbox mounting - not limited.

7.6. Differential - production, limited slip permitted.

7.7. Oil cooling for gearbox and differential - a sealed system is permitted.

7.8. Propshaft - not limited.

7.9. Traction control equipment - prohibited.



8.1. Wishbones: manufactured by VST, with rubber or poly bushes.

8.2. Track rods and track rod ends are BMW or FORD original parts.

8.3. Ball joints - Original Ford Transit or LADA.

8.4. Steering arms - original, may be shortened by forging.

8.5. Front anti-roll bar - not adjustable from the driver's seat. Ball joint permitted at one end.

8.6. Shock absorbers- steel-bodied hydro/pneumatic saloon car units, non adjustable.

8.7. Shock absorber bushes- production, rubber.

8.8. Springs- coil springs not limited.

8.9. Suspension bushes - production, make not limited.

8.10. Rear axle- rigid beam axle, production. mountings not limited. Attached to the car body via rubber or poly bushes.



9.1. Brake pads - not limited.

9.2. The slave cylinders and callipers - original.

9.3. Securely fixed air deflectors for brake cooling are permitted.

9.4. ABS is not permitted.

9.5. Brake servos are not permitted.

9.6. Main cylinder - original.

9.7. Brake balance regulator- not limited, must not be adjustable from the driver's seat.

9.8. Brake hoses - not limited.

9.9. A handbrake is not compulsory but is recommended, its construction is not limited.



10.1. All components of the steering mechanism are production items.

10.2. Steering rack - production.

10.3. Steering wheel- not limited.

10.4. Steering lock - not permitted.

10.5. Snap-off- production.

10.6. Power steering- not permitted.

10.7. Steering column - it is permitted to place distance pieces between the column and body in order to regulate steering wheel height.



11.1. Tyre make is not limited. Speed index must be at least H. 

11.2. Wheels- one piece. It is permitted to use spacers between the hub and wheel.

11.3. Air deflectors on the wheels are prohibited.

11.4. It is permissible to change the method of fixing of wheels from bolts to studs and nuts provided the number and diameter of fixings is retained.

11.5. The wheel must not extend beyond the outer edge of the wing when viewed from above.

11.6. The use of foams and other substances that enable a car to be driven with a punctured tyre is prohibited.

11.7. Spare wheel - prohibited.


12. ELECTRICS not limited provided the following requirements are met:

12.1. The battery - one securely fastened battery, protected against short-circuits and leakages, is permitted. It must be possible to start the car from the battery at all stages of the competition.

12.2. The position of the battery may be changed. If the position is changed then the battery must be located on a metal base and fastened according to drawings 255-10 and 255-11 of the EAL Yearbook. A battey in the cockpit must be located on the passenger side. The battery must be properly insulated and placed in a plastic container to avoid acid spilling into the cockpit.

12.3. Generator- the generator field excitation may be switched off during the race. At any stage of the race it must be possible to start the car from its own battery.

12.4. The wiring must be well insulated and properly secured.

12.5. The car must have a main earth cut-off switch, which disconnects the battery from the car’s electrical system and stops the engine. The switch must be within the driver’s reach in the normal driving position and must be operable from outside the cockpit via a steel cable.

12.6. The main earth cut-off switch handle outside the car must be labelled with a blue triangle with a side length of at least 80 mm.

12.7 The main electrical circuits, except starter motor (cockpit heater fan, radiator fan, fuel pump, windscreen wipers) must be protected by fuses.



13.1. The car must not have any noticeable defects (rust, strongly deformed body panels and wings, cracked glass , etc.), which may in any way effect the safety of the competitions or may damage the reputation of the racing series.

13.2. Body colour – no restrictions, except for the requirements of the competition regulations.

13.3. Competition numbers – are compulsory for each car, as are the advertising signs required in the competition regulations. The size and shape of numbers are given in the EAL Yearbook. Advertising stickers are supplied by the competiotion organiser.

14. CHANGES: The EAL RK may alter or modify these technical regulations during the 2002. season with a 4 week period of notice.


15.1. The transmission of any kind of information from the car, except for two-way radio communication, is prohibited.

15.2. Information recording systems are not prohibited so long as they do not include accelerometers.


16.1. During all circuit races, FIA homologated (complying to the FIA 1996 or later standard) fire-proof racing suits, clothes, face masks, socks, driving shoes and gloves must be worn.

16.2. The driver’s helmet must comply with one of the following FIA approved standards:

SIS 88.24.11(2) – Sweden

DS 2124.1 – Denmark

SFS 2653 – Finland

ONS/OMK – Germany (black on white, black on blue, red on white, blue on white marks)

Snell Foundation 1985 or 1990 (Special Applications) – USA

British Standards Institution BS 2495 with 1977 addendums or BS 6658-85 type A-SBR NF S

72305 – France E22 series beginning with 02 or 03 – European Economic Community Commission SFI Foundation Inc., SFI spec. 31.1 ja SFI spec. 31.2 – USA



17.1. The use of kevlar, carbon, and titanium is prohibited.