OSCC Classes

Speed Championship:

A: 0-1300cc

B: 1301-1600cc

C: 1601-2000cc

D: over 2000cc

E: Four Wheel Drive

* This is AFTER adjustment for forced induction and/or rotary pistons; eg a 1600cc turbo is in class D (1600cc x equivalence factor of 1.7 = over 2 litres).

Autocross:

EOWD: Engine Over Drive Wheels (eg front-wheel-drives like Minis, Civics, etc, and mid-engined like MR2s)

RWD: Rear Wheel Drive

4WD: Four Wheel Drive

Rally:

See Otago Rally site

1/4 Mile Sprints:

1: up to 4 cylinders (NA)

2: up to 6 cylinders (NA)

3: 8+ cylinders (NA)

4: Forced-induction and Rotary

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Circuit: