this are the classes::

 

naturally aspirated

bis 1200 ccm
bis 2000 ccm
bis 2400 ccm
über 2400 ccm

supercharged TURBO/Blower/NOS

bis 1600 ccm
bis 2400 ccm
über 2400 ccm
 

water cooled turbo vehicles are grouped into the turbo class and a displacement factor of 1.7 is applied.
only water cooled  vehicles are grouped into the turbo class and a displacement factor of “open” is applied.

410200KdW4L._AC_UL160_SR160,160_
410200KdW4L._AC_UL160_SR160,160_

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European Aircooled Championship

410200KdW4L._AC_UL160_SR160,160_
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