NITROUS OXIDE INJECTION SYSTEM: Only systems meeting IHRA approval may be
run. All bottle relief valves must have bulkhead fitting on tank. The use of any agents
other than nitrous oxide as part of, or mixed with, this pressurized fuel system is strictly
prohibited. All bottles must be securely mounted, stamped with minimum Dot -1800
pound rating. Nitrous Oxide bottle(s) located in driver compartment must be equipped
with a relief valve and vented outside of the drivers compartment. Nitrous Oxide bottles
located in the trunk or rear of the entry must be equipped with a relief valve and vented
outside of the drivers compartment or be completely isolated from the drivers
compartment by a firewall that is properly sealed to prevent gas from entering the
drivers compartment. System must be commercially available and installed per
manufacturers recommendations. Nitrous Oxide is prohibited from being in any other
pressurized container on any entry other than a manufacturer’s nitrous bottle. All Nitrous
bottles must be recertified every 5 years and stamped to indicate the last inspection
date. All systems must be activated by a wide open throttle switch and utilize all
manufacturers safety products. The use of any commercially available thermostaticlly
controlled bottle warmer is accepted. The use of any other method of externally heating
nitrous bottles is prohibited. See class requirements.
Chris Baxter
Race Director
