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2013 ISSCA Nationals - Drag Race Rules

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ISSCA SOP (As amended for 2012 Nat’s) CHAPTER Eight – Article Xl Sec. 2.
If any ISSCA rule conflicts with track/facility rule, track/facility rule takes precedence.
Track/facility rules may change without notice posted here.

(Your ISSCA member number will be
your car competition number in all events)

Drag Racing (ISSCA Competition Regulations)


Car and driver must comply with the local track safety rules. This year the Hosting track is a NHRA Track and you are required to comply with NHRA safety rules. It is the drivers responsibility to know and comply with these safety rules.
1. Late entries will not be allowed missed time runs.
2. Your ISSCA member number is your car competition number.
3. Any sized front and rear tire is allowed.
4. Fuel must be gasoline. No alcohol fuel allowed.
5. There is no minimum weight restriction.
6. Windows must be installed, and fully closed when making a run.
7. Big blocks and other motor swaps are allowed.
8. Any transmission may be used.
9. Any drive train is allowed.
10. Exhaust system must meet the requirements of the local track. (some tracks do not allow open headers and some actually have a maximum sound pressure level rule.)
11. All body panels must be factory original steel, (or equivalent), except hood and bumpers (unless model year was available with aluminum panels from the factory).
12. Hood, bumper covers, and trim can be made of any material and of any aftermarket shape or style.
13. Suspension modifications are unrestricted.
14. Vehicle must have one working brake light
Air Conditioning cannot be turned on in the staging lanes or during a run.
Racing Classes
This class is ET bracket racing for all cars. There are no
Super Sport class is foot brake only…. no starting line aids or electronic ET aids, no transbrakes.
This is a heads up, Pro Tree class for naturally aspirated cars.
This is a heads up, Pro Tree class for power adder cars (Super charger, Turbo charger, Nitrous).

Note: Drag racing is essentially bracket or “run what you brung.” Based on this all years can compete together in their appropriate bracket (dial in) or Super Natural or Super Pro category.
The following is a list of major items that are required at specific ET's and speeds. This list is a guideline, and we recommend consulting a current NHRA rulebook for specific details, specifications, and diagrams.

The NHRA 2012 Rule Book for Helmets:

As outlined under Class Requirements, drivers in all classes, including motorcycles, must wear a helmet meeting Snell or SFI Specifications.
SFI Spec 31.1A = Snell SA, open-face helmet
SFI Spec 31.2A = Snell SA, full-face helmet
SFI Spec 41.1A = Snell M, open-face helmet
SFI Spec 41.2A = Snell M , full-face helmet

See Individual Class Requirements for any additional requirements.
E.T. cars (13.99 or quicker) must use a helmet meeting Snell 2005, 2007 or SFI 31.1A, 31.2A, 31.1/2005, 41.1A, 41.2A or 41.1/2005 Specs.

13.99 seconds (8.59 1/8th)

  • Drive Shaft Loop with slicks
  • Approved helmet (Full face in open cars)
  • SFI 3.2A/1 Jacket in vehicles equipped with non-OEM nitrous oxide, turbochargers or superchargers
13.49 seconds (8.25 1/8th)
  • Roll bar in convertibles
  • SFI seat belts in convertibles
11.99 seconds (7.49 1/8th)
  • Steel Valve Stems
11.49 seconds (7.35 1/8th)
  • SFI 1.1 or 1.2 Flywheel / Clutch
  • SFI 6.1, 6.2, 6.3 or 9.1 Flywheel shield
  • SFI 3.2A/1 approved jacket
  • Roll bar
  • SFI approved seat belts
  • Drive Shaft Loop with street tires
10.99 seconds (6.99 1/8th) or Super Street
  • SFI 4.1 Transmission Shield, or at 135 mph
  • Aftermarket axles and axle retainers
  • SFI Harmonic Balancer
  • Roll Cage with altered floor pans, or 135 mph - Window net required
  • Ignition cut-off on all bikes / snowmobiles that exceed 135 mph
9.99 seconds (6.39 1/8th) or Super Gas or 135 mph
  • NHRA Chassis Certification
  • NHRA Competition License
  • SFI jacket & pants 3.2A/5
  • SFI neck collar & gloves 3.3/1
  • SFI 29.1 flexplate / 30.1 flexplate shield (AT equipped cars)
  • Full Face Helmet meeting Snell or SFI specifications
150 mph
  • Parachute
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