INTRODUCTION. Who Can Race?

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1 2016/17 WhoopAss Wednesday Off-Street Drag Racing Guidelines Updated: 20 March 2017 Section 4: New restrictions allowing overheight (above 600mm) and cars with lift kits. Section 9: Above bonnet blowers permitted for Street Registered Cars INTRODUCTION The Off Street Drag Racing events are for drivers who wish to complete with their 'Road Going' street vehicles or bikes. A Road Going Street Vehicle is defined as a car or motorcycle that is street registered or capable of being street registered. Who Can Race? Anyone who holds (or has held) an Australian provisional or full licence. Should the driver be under 18 years of age the entry form must be signed by a parent or guardian and witnessed by a Perth Motorplex official at each event. Can I Have Passengers? One (1) Passenger is allowed with a minimum age of 18 years. The Elapsed Time (ET) minimum with a passenger is 12.0 seconds. Only with written permission and meeting stringent safety criteria may sub-12 second passengers be considered. Can I Modify The Car? Whoop Ass Wednesday Off-Street meetings are only for street-type street cars or bikes. They are not for race cars, radical modified cars (other than approved street rods). Minor modifications are permitted. Any modification that alters the integrity of the chassis or suspension pick-up points maybe refused. The car interior must be complete with all seats, door trims, hood lining, etc. The car must have a street-type exhaust and mufflers that run to the rear axle as a minimum and must be capable of staying within a 95dB noise limit. Note: A catalytic convertor by itself will be rejected. Hot Dogs or any other resonator is not considered to be a muffler. Racing slick tyres are permitted. Safety Helmets: See Page 5 Drivers / Passengers: Long sleeve shirt; Long pants Socks (above ankles) Enclosed Shoes (Clothing must be of fire resistant material as a minimum - no nylon). Riders: *Approved bike jacket includes: Leather or purposemade riding jacket with arm protection and back support, ie: Dririder; or full racing leathers. Gloves Socks (above ankles) Boots (above ankles Perth Motorplex Ph: Page 1

2 Off-Street Drag Racing Regulations 1. ROAD GOING STREET VEHICLE A Road Going Street Vehicle is defined as a car or motorcycle that is street registered or capable of being street registered. A car can compete even if it has a Yellow Sticker Compliance Notice. 2. MECHANICAL AND BODY Automatics must have an operational neutral safety switch No oil leaks Radiator must have an overflow catch tank. Battery must be secured with a clamp or bracket. Bonnets must be fitted All vehicles must have at least one working taillight. 3. MODIFICATIONS The body must not be modified beyond acceptable street legal limits. The engine, transmission, brakes and suspension springs may be modified provided they fit the 'Road Going' definition above. However this does not include major modifications such as four link or ladder bar suspension conversions. Examples of major modifications include, any alteration to structural parts of the vehicle: floor pan alteration, firewall alteration. Management reserves the right to refuse entry to any car modified beyond a road-going streetregistered capable car. No changes are to be made to the vehicle after it has been scrutineered unless the vehicle has been presented again to scrutineering. 4. VEHICLE HEIGHTS If a vehicle s suspension has been lifted making its crankshaft centreline height greater than 600mm the vehicle must not go quicker than seconds (1/4 mile or 1/8 equivalent). Vehicles with a crankshaft centreline height greater than 600mm, from the manufacturer, must not go quicker than seconds (1/4 mile or 1/8 equivalent). All measurements are to be made from level ground with racing pressure in the tyres. In summary: Crankshaft Height greater than 600mm With Lift-kit: 14.0 second Minimum ET Original from Manufacturer: 12.0 Minimum ET 5. EXHAUST The car must have a street-type exhaust and mufflers that run to the rear axle as a minimum and must be capable of staying within a 95dB noise limit. A catalytic convertor by itself will be rejected. Hot Dogs or any other resonator is not considered to be a muffler and will be rejected. Cannon mufflers may be acceptable on some 4-cylinder or turbo vehicles providing they can stay within the 95dB limit. It is highly recommended that any V8 engine use full mufflers to meet the 95dB limit as cannon mufflers are highly likely to fail noise requirements. It is the entrant s responsibility to ensure the vehicle will meet the noise requirements. Noise monitoring may be conducted at Whoop Ass Wednesday events. Any vehicle that exceeds the noise limit will be excluded from the event. Perth Motorplex Ph: Page 2

3 6. INTERIOR Car must have complete interiors, that is, all of the seats, all door trims, all door handles operable, hood lining, etc Seats to be in good supportive condition There are to be no loose objects within the interior. All loose items must be removed. 7. WHEELS AND TYRES All wheel nuts must be used and secured tight. No hub cabs or dress rims allowed. Slicks are permitted, however tyre types must match front to back (Eg Radial slicks on back with radial street tyres on front. Non-radial slick rears with conventional non-radial front tyres) 8. DRIVER LICENSING AND PASSENGERS Drivers and riders must hold an Australian license (or proof they held a licence) If the driver is under 18 years of age the entry form must be signed by a parent or guardian and witnessed by a Perth Motorplex official at each event No L-Plate drivers permitted. P-Plate drivers are permitted. One (1) Passenger is allowed with a minimum age of 18 years for both driver and passenger (12.0 second minimum ET) For promotional purposes only: With written permission and meeting stringent safety criteria as per the ANDRA passenger ride rules may sub-12 second passengers be considered. 9. FORCED INDUCTION Standard, or aftermarket, under bonnet aftermarket superchargers or turbochargers are permitted Above-bonnet superchargers are only permitted if: o o 10. NITROUS The car is registered (VIN must match current registration papers) All guards are in place to reduce potential hazard. Nitrous Oxide is permitted All vehicles using Nitrous Oxide must display special markers located on the outside of the vehicle, in the area where the supply bottle is located and in the top left corner of the front windscreen. The marker shall be a yellow diamond, with N20 printed in black letters. Please refer to the Use of Nitrous Oxide Regulations found at motorplex.com.au 11. DRIVING STANDARDS Please turn off the cars air conditioner after you have passed through the tunnel Neither driver, nor passenger (if applicable) is permitted to use a mobile phone once they have past through the tunnel to the race track. All competitors must follow all speed signs and officials directions at all times. Any burnouts outside of designated burnout areas box will result in eviction from the event. Drivers and passengers must wear all safety gear until they have past back through the tunnel to pit area. Perth Motorplex Ph: Page 3

4 OFF STREET Road Going CARS Minimum Requirements Vehicle Type ET Technical Requirement Personal Safety Modern Sedan Cars originally fitted with fourwheel disc brakes, air bags, and manufactured after 01 Jan Sedan Cars with original monocoque,that does not comply with Modern Sedan Car (above) & slower Sedan Cars with original monocoque,that does not comply with Modern Sedan Car (first row) point harness 4 point Roll bar Parachute at 225kph / 140mph Street Cars with Modified Monocoque, Convertibles, SUVs or Ladder type chassis (i.e. Street Rods) & slower Street Cars with Modified Monocoque, Convertibles, SUVs or Ladder type chassis (i.e. Street Rods) point harness 4 point Roll bar All Street Cars 9.99 and quicker Must comply with relevant ANDRA Competition regulations Must comply with relevant ANDRA Competition regulations Notes: All helmets must be of full face construction except for cars with an ET of seconds or slower OFF STREET Road Going MOTORCYCLES - Minimum Requirements Vehicle Type ET Technical Requirement Personal Safety Clothing: As Per (page 1) Street Motorcycle 9.50 and over Full face Helmet minimum. All Motorcycles 9.49 and quicker Must comply with relevant ANDRA Competition regulations Must comply with relevant ANDRA Competition regulations ET Cut Off: An allowance for one tenth of a second for accidental breaches of class limits will receive one warning. Any vehicles running faster than the one tenth allowance or running a time within the one tenth allowance more than once, will be take no further part in that event. Perth Motorplex Ph: Page 4

5 Performance / Helmet Any car with a quarter mile ET slower than seconds and Modern Street Cars slower than seconds Closed cars with a 9.00 seconds or slower. Open cars with a between 9.00 and seconds. Closed cars with a 8.99 seconds or faster. All Motorcycles AS/NZS 1698 or ECE FIA FIA Notes: All helmets must be of full face construction except for cars with an ET of seconds or slower SFI 31.1 SFI 41.1 SA2010 SA2015 SAH2010 M2010 M2015