Группа "Б"

[Advance Racing]

1) DEFlNlTlON
Sports Grand Touring Cars.
2) HOMOLOGATION
At least 200 identical units (minimum 2 seats) of these cars must have
been built in 12 consecutive months.
3) FITTINGS AND MODIFICATIONS ALLOWED
All those allowed for Touring Cars (Gr. A) with the following modifications.
4) WEIGHT
Touring Cars (Gr. A) Cars are subjected to the following minimum weight
Scale in relation to their cubic capacity.
up to 1,000 cm3 : 580 kg
1,300 cm3 : 675 kg
1,600 cm3 : 750 kg
2,000 cm3 : 820 kg
2,500 cm3 : 890 kg
3,000 cm3 : 960 kg
4,000 cm3 : 1 ,l 00 kg
5,000 cm3 : 1,235 kg
over 5,000 cm3 : 1,300 kg
Appendix "D- Qroupe C7 Prototype Regulations
5) WHEELS AND TYRES
Same text as for Touring Cars (Gr. A), (Art. 5.4) except for the rim diameter
(in rallies on1 ) and the maximum widths.
The total o Y the widths of two rim-tyre assemblies on the same side of the
car must be less thqn or equal to:
up to 1,000 cm3 : 16"
1,300 cm3 : 17"
1,600 cm3 : 18"
2,000 cm3 : 20"
3,000.cm3 : 22"
4,000 cm3 : 24"
5,000 cm3 : 26"
over 5,000 cm3 : 28"
In rallies: the rim diameter cannot exceed 16" (or 415 mm for metric dimensions).