INDEX N / O
G / H
CR46	NITROUS OXIDE SYSTEMS
CR47	NIGHT LIGHTING
CR48	NUTS AND BOLTS
CR49	OCCUPANTS
CR50	OIL SYSTEM

ARTICLE:
CR46: NITROUS OXIDE SYSTEMS
46.1	Nitrous oxide bottles must be securely mounted in the boot or rear of the vehicle. Any such vehicle using a nitrous oxide system is required to have a leak-proof bulkhead between the boot of the vehicle and the driver's compartment.
46.2	Where no boot space exists in a vehicle (i.e. hatchbacks), the nitrous oxide bottle can be securely mounted (no hose clamps or cable ties) with steel brackets in the passenger's compartment.
46.3	All nitrous oxide systems not isolated from the driver by a leak-proof bulkhead must be equipped with a relief valve and be directly vented to the outside of the driver's compartment utilising a flexible fuel line to disperse gas leakage into the atmosphere.
46.4	Where nitrous lines pass the converter or flywheel area, they must be encased in 3mm thickness steel tubing for 450mm or alternatively be re-routed outside the chassis or frame rails. All flexible nitrous lines must have a high pressure rating of 1500psi as minimum.
46.5	The use of any agents other than nitrous oxide as part of, or mixed with this pressurised fuel system is strictly prohibited.
46.6	Bottle shut-off valves must be equipped with an on/off tap. Any bottles requiring a special key are not permitted. Only cylinders designed for the use and storage of nitrous oxide and that are equipped with a safety pressure valve are acceptable.
46.7	All bottles must be securely mounted, stamped with minimum DOT-1800 pound rating and identified as Nitrous Oxide. Nitrous Oxide bottle(s) located in the driver compartment must be equipped with a relief valve and vented outside of compartment. System must be commercially available and installed per manufacturers recommendations.
46.8	External heating of bottle(s) with open flame is prohibited.
CR47: NIGHT LIGHTING
All vehicles racing at night must be fitted with an operative red taillight.
CR48: NUTS AND BOLTS
The use of ultra high tensile Allen and star head bolts of the type commonly referred to as "unbrako" in areas where lateral impact may be experienced is not permitted.
CR49 : OCCUPANTS
No more than one person is permitted in any vehicle during its participating in qualifying and/or competition run-offs. Any time a vehicle is started, whether in the pits, staging lanes or anywhere else on the Racing facility, a competent driver must be in the driver's seat.
CR50 : OIL SYSTEM
Accu-sump, dry sump, oil filters, oil supply lines etc., are prohibited in the driver's compartment. Only an oil pressure gauge and line is permitted in the driver's compartment.
MSA Technical Committee