Being used to Simbin titles I was disappointed that there was no technical information on the cars in the showroom (or did I miss something?)
For those interested in the tech spec, it can be found here
http://www.brasileirodemarcas.com.br...o#.VHy7r9KsWSo
Translated
TIRES
Pirelli 285/645 Aro 18 .
ENGINE
2.3 -liter, aluminum head , fuel supply by electronic injection and dry sump Motec .
BRAKE PADS
ECOPADS - asbestos-free formulation and automatic mixers.
BRAKES
Ventilated discs Fremax , English calipers AP Racing , special competition, with six-piston front and four at the rear.
STEERING
The rack and pinion with hydraulic drive .
WHEELS
OZ Racing 11 x 18 inches.
TRANSMISSION
Electronic Xtrac . Sequential drive 6 forward gears and one reverse Magneti Marelli 's .
WEIGHT
1.100 Kg without the pilot
SUSPENSION
Pair of front springs - 300N / mm , 120mm x 50mm (load, height and internal diameter) . Pair of rear springs - 80N / mm , 140mm x 50mm . Unique and unalterable stabilizer bar .
POWER
300 hp .
FINISH
Finished with composite materials.
BODY
Factory original.
So while it is very unusual for a racing car to have fixed spring rates and roll bar, this is what the regulations stipulate.