K.O.R.R. BC

GENERAL REGULATIONS

All rules and safety equipment as outlined in the general safety rules must be followed. $125 / race day entrance fee.

COMPETITION REGULATIONS

If it is not in the rules, it will be not legal. This class and all components will be considered open unless otherwise stated within these class rules. Class allows one or two seat open-wheeled, two wheel drive cars. $125 / race day entrance fee.

ENGINE DISPLACEMENT & LOCATION

Any engine may be used providing:
    ·    It is a design that has been series produced in quantities of 5000 units or more and is readily available to the general public.
    ·    It must be located behind the driver, mid engine allowed.
    ·    It retains a maximum of four valves per cylinder.
    ·    It does not displace more than the following:

Water-cooled engines       
                Single-seat       8 valve       Maximum 1700cc
                Single-seat       16 valve     Maximum 1650cc
                Two-seat              8 valve       Maximum 1800cc
                Two-seat             16 valve     Maximum 1750cc

Air-cooled engines       
            Single-seat       4 cylinder push rod       Maximum 1915cc
            Two-seat           4 cylinder push rod       Maximum 2000cc


    ·    Rotary-piston engine displacement is 1.5 times the published cc (12A model =1650cc 13B model=1950cc)

    ·    Single and two-seat vehicles may use one or two carburetors providing:
        o    Each carburetor has a maximum of two venturi bores.
        o    Maximum allowable venturi size is 42mm.
        o    Carburetor(s) must be of the production automotive type.

    ·    Fuel injection is stock production with the following restrictions:
        o    Intake manifold will remain as delivered by the manufacturer. It must retain its stock shape, size, and configuration.
        o    No porting or other modifications.  Ports may be matched to the heads, but matching may not exceed .250” (1/4 inch) deep.
        o    Manifold must be the unit that was installed and delivered on the engine by the original manufacturer.
        o    Throttle body must be production (OEM) type with maximum throttle body of 58.5 mm.

SUSPENSION

Front suspension travel will be limited to 10 inches.
Rear suspension travel will be limited to 12 inches.
Suspension travel will be measured at the axle center line.