Sportvagnsracing (SPR) was slated to be a fresh start for the Nordic prototypes.
Every prototype would be welcome and the basis for the regulations was planned to be FIA CN, launched in 1990.
CLASSES
Class A - Cars manufactured from 1965 to 1974
Class B - Cars manufactured from 1975 to 1984
Class C - Cars manufactured from 1985 to 1994
Class D - Cars manufactured from 1995 to 2004
Class E - Cars manufactured from 2005 to 2014
Class F - Cars manufactured from 2015 and onwards
Class placements was to be set from the date of manufacturing on the engine and chassis.
RACEFORMAT
The goal was for two drivers to be able to share a car over the course of a race weekend consisting of two practice sessions of 15-20 minutes, two 15-20 minute qualifying sessions and three races, two running for 15-20 minutes and one running 40-50 minutes including an obligatory pit-stop with a driver change.
The goal was to offer a minimum of two hours track time each race weekend.
Regulations Planned originally for SPR Cup
Maximum of 6 cylinders and 3000cc |
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Drivetrain |
Free, with a maximum of 6forward ratios. Reverse gear is compulsory. |
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Maximum dimensions |
Length: 4 800 mm |
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Width: 2 000 mm |
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Height: 1 030 mm |
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Front plus rear overhangs not to exceed 80 % of the wheelbase. |
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Difference between front and rear overhangs not to exceed 15 % of the wheelbase. |
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Bodywork |
Open or closed cockpit |
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Rear wing |
Maximum of 2 elements, which must fit within a 150x400 mm cross section. Maximum span of 1 800 mm |
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Minimum weight (without driver) |
Related to engine capacity |
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Up to 1 000 cc |
475 kg |
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1 000 cc – 1 300 cc |
495 kg |
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1 300 cc – 1 600 cc |
515 kg |
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1 600 cc – 2 000 cc |
535 kg |
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2 000 cc – 2 500 cc |
575 kg |
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2 500 cc – 3 000 cc |
625 kg |
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Class A |
Supercharged max 1620 CC |
535 kg |
Air restrictor |
Supercharged engines |
31 mm |