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Formula Off Road Nitrous Oxide

Formula Off Road Nitrous Oxide

Technical Specification Appendix A

 

Nitrous Oxide

  • Only complete systems from reputable manufacturers installed according to instructions are allowed.
  • Nitrous bottle must be securely mounted with two steel bands of at least 2,5x25mm completely circling the bottle.
  • Nitrous bottle can not be installed in the engine compartment.
  • Nitrous bottle must be installed with the valve end pointing away from the driver or have a shield protecting the driver from a valve blowoff made of 2mm steel or 4mm aluminium plate.
  • Nitrous bottle must be installed in such a way that it is protected from outside impact in case of a rollover.
  • All nitrous hoses must be able to handle at least 3000psi.
  • All nitrous hoses must be securely fastened.
  • Electrical system for nitrous:
    1. Circuits can not be “-“ switched.
    2. It should not be possible to switch system on unless ignition is on.
    3. The system must have a separate arming switch for the driver clearly marked NOS on/off.
    4. The system should only be possible to activate at WOT throttle position.
    5. The system should only be possible to activate above 2000 engine rpm.
    6. A fuel pressure safety switch must be installed to disable the system if fuel pressure to system falls below 5psi.
  • Closed vehicles must have a FIA/SFI approved fire extinguishing system installed with at least one nozzle aimed at the driver and one aimed at the engine.
  • FIA warning sign for NOS – Green square with white lettering must be on the back of vehicle.
  • Bottle warming system must be from a reputable manufacturer and installed according to instructions. NO open flames allowed!
  • Nitrous pressure gauge must be installed if bottle warming system is used.

These are the current technical specifications. If you know about any changes please let me know.

Thrandur Arnthorsson
Thrandur is the chief-editor and owner of 4x4 Off Roads and an 4x4 off road enthusiast. Living in Iceland he loves to share the coolest 4x4 trucks and supporting more offroad freedom. If you want to get YOUR 4x4 featured on 4x4OffRoads you can post your story here.