News

  • 2016/17 IHRA Rules Updates

The IHRA NZ rules/safety committee held their annual meeting on the 7th May 2016. The following are the new class rules and safety standards for the 2016/2017 season.

CLASS RULES

Modified Bike: Maximum dial in 18.00 seconds

Teen Racing: Minimum Dial 13yrs 17.00. 14yrs 16.00 and 15yrs 15.00 seconds

Sport Compact: Pro Import to be split into 5 indexes - 4cyl,6cyl, 2/3/4 rotor
Sport Mod into 4 indexes - 4/6cyl and 2/3 rotor
Street Import into 4 indexes - 4/6cyl and 2/3 rotor
For the new weight breaks/Classes, these will be loaded into the rule book, in the mean time please contact the Sport Compact driver rep Neil Carter.

SAFETY RULES FOR 2016/2017 SEASON:

Medicals: All drivers/riders under 10.00 seconds must have a current IHRA medical.

Turbo Exhaust Cross: All turbocharged vehicles that do not use mufflers must have two bolts or similar inserted across the diameter of the turbine outlet pipe at ninety degrees to each other, to prevent the exit of debris in the event of a turbine failure. Cars are to have a minimum 10mm cross, bikes a minimum 6mm cross.

Roll bar Padding: All vehicles with a roll cage or roll bar must have padding meeting SFI 45.1 where the driver's helmet can make contact with the roll bar/cages. Please note Junior Dragsters are exempt, and are under review for the following season.

Transmission Coolers/Locking Dip Sticks: All vehicles quicker than 8.00 seconds plus all vehicles with the transmission in the drivers compartment that is not sealed that run under 10 seconds must have steel braid transmission cooler line, AN fittings and a positive locking transmission dip stick. All other vehicles must use industry standard cooler lines and barbed fittings and correct clamps as a minimum. Rubber fuel line, or hosing not meeting industry standards for the application not permitted. Note: Drivers of vehicles leaking transmission fluid due to the failure of pipes, hoses or fittings may be liable to a fine of up to $200 and /or disqualification if the failure was due to incorrect assembly or the use of sub standard components.

Onboard Fire Suppression Systems: Front Engine Top Fuel Dragsters/Altereds and any supercharged vehicle with an enclosed fiberglass or composite body running quicker that 8.99 are required to carry an on-board fire extinguisher system with a minimum capacity of 9kg (20lbs). Any enclosed vehicle faster than 8.00 seconds, must have a fire suppression system with a minimum 5lbs (10lbs recommended) installed.Must be manually controlled on board fire extinguisher system of Approved Type and mounted per manufacturer's specifications with the primary nozzle's) directed to protect the driver. Upon activation of the system the contents of the bottle(s) must be totally discharged. Partial-discharge systems not permitted.

Lines & Bottles - Manufacturer's recommendations regarding installation must be followed, especially on bend radius and protection from crimping or kinking. Bottles and lines must be mounted within the frame rails and be permanently mounted. All fire systems must use steel lines and distribution nozzles and must be equipped with a pressure gauge. The use of nozzles or tubing other than that recommended by the manufacturer is not permitted. All bottles must be identified with a gross loaded weight figure. It is the responsibility of the competitor to weigh the bottle prior to each event.

Nozzles - Nozzle placement is extremely important. Two nozzles are placed at the front of the engine (one on each side), and one nozzle is located in the driver's compartment near the steering column. It is recommended that there be no more than three nozzles per bottle.

Protection - The bottles must be mounted in such a manner that should an explosion or failure of any mechanical component of the vehicle occur, the bottles will be protected from flying parts. Also, the position of the bottles in the vehicles must be high enough that they cannot come into contact with the track surface following loss of a tyre or wheel. They should be protected from excessive temperature and mounted rigidly to the vehicle. Remote cables must be installed so they are protected in the event of an upset or collision.

Rear Axle:Note - Periodic magna flux of axles is recommended. The attention of competitors is drawn to the possibility of handling hazards in the event of an axle shaft breaking with a vehicle having a locked rear end.

Welded spider gears or side gears prohibited in all rear-ends. No welded axles on cars with locked (spool) diffs.

Axle-retention devices - bearing retainers - All cars quicker than 11.99, with locked (spool) diffs must be equipped with a minimum of 3mm reinforcement of stock bearing retainer and/or C-clip eliminator. (Not required for aftermarket retainers).

Axles - Full floating hubs are required in all supercharged cars that are quicker than 7.50 seconds, except for vehicles weighing 1133kg (2500lbs) or less, they are permitted to use 35 spline aftermarket two piece axles. All vehicles quicker than 8.50, aftermarket axles of 35-spline minimum.

RECOMMENDED FROM 1st JULY 2016 - MANDATORY FROM 1st JULY 2017

Helmets: All competitors must wear a protective full face helmet at all times during racing, eliminations, time trails or practices. Each helmet must comply with the relevant standards for the level of competition. All helmets covered by the relevant IHRA NZ accepted standards will be accepted for 10 years from the date of manufacture where a date of manufacture is listed, regardless of standard date, or 10 years from the standard date for helmets produced without a date of manufacture. Where it can be established that a face respirator is necessary, such as funny cars or methanol burning sedans , an open face helmet meeting the relevant SNELL standard for the class/performance will be accepted as will full faced helmets with built in respirators be accepted.

All Group One, two and three sedans, Altereds, funny cars and dragsters quicker than 10.00 seconds (1/4 mile) 6.50 seconds (1/8 mile)
Must have the following helmet, SNELL SA2005, SA2010, SAH2010, SA2015, SAH2015, SFI 31.1 or SFI41.1
Group Two and three sedans, Altereds, funny cars and dragsters quicker than 11.00 seconds and slower than 10.00 seconds:
Must have the following helmet, SNELL SA2005, SA2010, SA2015, M2005,M2010,M2015, SFI 31.1 or SFI41.1
Cars slower than 11.00 seconds:
Any open or full face helmet meeting one of the following standards: SNELL SA2005, SA2010, SA2015, M2005,M2010,M2015, SFI 31.1, SFI41.1,AS/NZS 1698:2006, AS or NZS 1698 or European Standard (R22);"E" Mark, 02, 03, 04 or 05 series
Motorcycles with ET quicker than 10.00 seconds:
SNELL M2005, M2010, M2015, SA2005, SA2010, SAH2010, SA2015, SAH2015, SFI 31.1 or SFI41.1
Motorcycles with ET slower than 10.00 seconds:
SNELL M2005, M2010, M2015, SA2005, SA2010, SAH2010, SA2015, SAH2015, SFI 31.1, SFI41.1, SFI41.1,AS/NZS 1698:2006, AS or NZS 1698 or European Standard (R22);"E" Mark, 02, 03, 04 or 05 series
Junior Dragster:
SNELL M2005, M2010, M2015, SA2005, SA2010, SAH2010, SA2015, SAH2015, SFI 31.1, SFI41.1, SFI41.1,AS/NZS 1698:2006, AS or NZS 1698 or European Standard (R22);"E" Mark, 02, 03, 04 or 05 series

PROTECTIVE CLOTHING: The wearing of protective clothing is compulsory at all times during racing, time trials or practice. One or two piece driving suits are acceptable in all levels of competition. Minimum protective clothing requirements for each type of vehicle are listed below. No racer is discouraged from using equipment to a higher level than the minimum requirement.

Please note: The addition of wearing underwear meeting SFI 3.3 will be accepted as bringing your suit up to the next protection level.

Funny Car (Alcohol & Nitro), Top Doorslammer, Supercharged Enclosed Composite Body quicker than 9.00, Front Engine Top Fuel Dragster or Fuel Altered:
Drivers Suit meeting SFI 3.2A/20 as a minimum
Shoes/Boots meeting SFI 3.3/15 as a minimum
Gloves meeting SFI 3.3/15 as a minimum
Balaclava meeting SFI 3.3 or helmet skirt meeting SFI 3.3/10 as minimum
Underwear meeting SFI 3.3 recommended but not mandatory
Socks meeting SFI 3.3 recommended, Flame resistant mandatory
Top Alcohol Dragsters/Altereds, Steel Body Supercharged Group 2 classes with fabricated firewall, Rear engine Top Fuel Dragster:
Drivers Suit meeting SFI 3.2A/15 as a minimum
Shoes/Boots meeting SFI 3.3/15 as a minimum
Gloves meeting SFI 3.3/15 as a minimum
Balaclava meeting SFI 3.3 or helmet skirt meeting SFI 3.3/10 as minimum
Underwear meeting SFI 3.3 recommended but not mandatory
Socks meeting SFI 3.3 recommended, Flame resistant mandatory
All other supercharged Competition, SCO & Modified, any Supercharged Sedan under 8 seconds:
Drivers Suit meeting SFI 3.2A/15 as a minimum
Shoes/Boots meeting SFI 3.3/5 as a minimum
Gloves meeting SFI 3.3/5 as a minimum
Balaclava meeting SFI 3.3 or helmet skirt meeting SFI 3.3/10 as minimum
Underwear meeting SFI 3.3 recommended but not mandatory
Socks meeting SFI 3.3 recommended, Flame resistant mandatory
Naturally aspirated Competition & Modified, any Sedan quicker than 10.00 seconds, Supercharged Enclosed Composite body slower than 9.00 seconds:
Drivers Suit meeting SFI 3.2A/5 as a minimum
Shoes/Boots meeting SFI 3.3/5 as a minimum
Gloves meeting SFI 3.3/5 as a minimum
Balaclava meeting SFI 3.3 on supercharged vehicles mandatory
Underwear meeting SFI 3.3 recommended but not mandatory
Socks meeting SFI 3.3 recommended, Flame resistant mandatory
Sedans slower than 10.00 seconds and quicker than 11.00 seconds:
Drivers Suit meeting SFI 3.2A/1 as a minimum
Enclosed Shoes and socks as a minimum
Sedans slower than 11.00 seconds:
Enclosed Shoes and socks as a minimum
Junior Dragsters:
All drivers are required to wear a minimum of a fire resistant overalls, shoes, socks and gloves. Competitors running 8.89 or quicker must utilize a minimum of a jacket meeting SFI Spec 3.2A-1 an 3.2A-1 pants and a full face helmet in addition to the above requirements.
Please Note: As always NZDRA competitors are always welcome at an IHRA track, their licence and logs will be accepted but their vehicle and safety equipment must come up to the IHRA NZ standards.