BTCC: BTCC Rules FAQ

BTCC Rules FAQ Based on messages to the touringcar-l mailing list Details collated by Stephen M Baines (stephen@vollans.demon.co.uk) FAQ based on the reply by: Nigel Clark (nigel@redshoes.demon.co.uk) With additional input and verification ...

BTCC: BTCC Rules FAQ

BTCC Rules FAQ Based on messages to the touringcar-l mailing list

Details collated by Stephen M Baines (stephen@vollans.demon.co.uk) FAQ based on the reply by: Nigel Clark (nigel@redshoes.demon.co.uk)

With additional input and verification from: S J Roberts (S.J.Roberts1@comp.brad.ac.uk) Scott Cummings (SCRC@wpo.nerc.ac.uk) David Crooke (dcc@dcs.ed.ac.uk) Braam Peens (G94P5140@giraffe.ru.ac.za) Nathan Wong (alfacors@nectar.com.au) Alan J Gow (101372.2035@compuserve.com)

And further updates from Nigel Clark

Apologies if I have missed anyone out. Any corrections or ommisions, please mail me - additionally, please can you let me know of any other regional differences for other touring car series at FAQs@vollans.demon.co.uk?

The Cars

The bodyshell can come from any model providing at least 25,000 road-going examples have been produced in the current year. The car must be at least 4.2 metres (13ft 9in) in length and have at least 4 doors, thus outlawing 2 door coupe models or smaller 'hot' hatchbacks which would otherwise have an advantage. The minimum production requirement was increased from 2500 after 1994 when it came clear that manufacturers were producing low production specials which, although legal, were felt to be outside the spirit of the rules and would lead to an increase in costs.

Addition changes for 1995 included the introduction of rear wings and front spoilers. The single non-adjustable rear wing has to be contained within an imaginary 150mm square box when viewed side-on, mounted no nearer than 100mm from the rear of the car and be not visible when car is viewed head-on. The front air-dam must have a ground clearance of at least 45mm. Any car not meeting this later requirement will be excluded from that session or race.

Engines

Engines may come from any model within the manufacturers range (min 2500 produced), although not necessarily the model represented by the bodyshell. The bore and stroke may be changed from the production example to give a capacity of 2000cc. Cylinder heads are relatively unrestricted, to the extent the many teams reverse the head to give a straighter, more efficient, exhaust layout. The cylinder head can also come from another engine in the manufacturers range. The engine mounting can be altered within the engine bay although engine alignment (transverse/longitudinal) must be retained. In keeping with current trends unleaded fuel and catalytic converters are mandatory.

The restriction of six cylinders and a rev limit of 8500 rpm is designed to keep costs down by outlawing small V8's and high revving racing specials.

Transmission

Gearboxes are limited to six gears with most teams opting for motorcycle style sequential 'boxes. Any form of automatic gearchange or electronic traction control are banned. Cars must retain their original layout, that is front wheel drive cars must remain as FWD. Four wheel drive models may race as FWD, RWD or 4WD. Four wheel drive will be banned effect 1998. Gearbox may have no more than 6 forward gears.

Weights

Front wheel drive cars must weigh a minimum of 975kg, rear wheel drive

1000kg and 1070kg for four wheel drive. An additional 80kg is added for the driver, with lighter drivers carrying ballast.

Wheels, Tyres & Suspension

Tyre are limited to 9in (229mm) wide and 25.6in (650mm) in diameter. Any form of heating devices are banned. Each of the national championships have slightly different regulations concerning the allocation of tyres. For the British series each car is limited to 6 slick (untreaded) tyres per race/qualifying session. In the event of rain wet weather tyres are not included in this total. The car must maintain the original suspension design, but points may be moved.

Safety

As with most forms of motorsport a full safety cage is mandatory. Recent changes by the FIA require additional side impact protection made of a special energy absorbing material. The drivers seat, which is mounted directly to the safety cage, features a wrap-around head restraint to protect from whiplash injuries whilst a window safety net is attached to the top and bottom of the roll cage to keep the driver's arms within the car in the event of a crash. The front and rear windscreens may be replaced with laminated or polycarbonate materials.

Race Format

The rules concerning race distances and qualifying procedures vary around the world so the following section concentrates on BTCC.

Each meeting is run to a 'twin race' format. Twin race meetings have two races of between 38 and 47 miles separated by at least 90 mins. The first race starts at 12 noon, with the second race no later than 15:30. Support races must move to accommodate this. Two qualifying seasons are run, one for each of the races. In some countries, notably Germany, qualifying positions count for the first race, with finishing order for that race being used as the starting grid for race two.

Teams are not allowed to use spare cars, so a big off in qualifying could see you out of race.

The Championship & Sporting Regulations

There are 4 different titles at stake, for drivers, teams, manufacturers and independents, all using the same scoring system. 15 points for a win, then 12, 10, 8, 6, 5, 4, 3, 2, 1. There is also a bonus point for the pole position driver. The 20 best scores count towards the championship.

For the team championship each team counts it's two highest placed cars, whilst for the manufacturers' title only the first car from each marque is eligible, although in a change for 1997 this can be an independent if it finishes higher that the manufacturer's own registered team.

The Total Cup offers a prize fund of GBP 60,000 for the leading independent, GBP 30,000 for second and GBP 20,000 for third. Additionally awards of GBP 5,000 to the independent who scores the most class pole positions and GBP20,000 to each independent entering every round are available.

In the event of an on-track incident that could not otherwise be cleared without stopping the race, a pace car will be deployed. Cars must line up in single file behind the pace car keeping a car's length from the car in front. Any driver who is deemed to have gained an advantage by his team mate holding back from the pace car will receive a time penalty. The first 5 laps under the pace car will not be counted as racing laps.

Testing is not allowed at a race circuit on the calendar until it has had its final race of the season. Official test sessions will be run one week before, and the Friday before a race at that circuit.

Any driver who consistently causes a qualifying or testing session to be red flagged will be excluded.

Maintained by Stephen M Baines (stephen@vollans.demon.co.uk) Collated on 12th November 1995 Modified on 16th November 1995 Modified on 4th February 1996 Modified by Nigel Clark on 30th December 1996

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