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| | |-+ Venting NOS bottle
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Author Topic: Venting NOS bottle  (Read 2656 times)
Captbb56
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Location: Central Va

« on: August 12, 2011, 08:29:36 am »

Will track rules allow me to vent my bottle outside the car with a braided steel line? The vent tube I have is solid and to short for my new location.
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Barryb
347 Four Eyed Foxbody - Learning how to make more power thru SBFTech
eckertd
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Location: Pennington, NJ
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« Reply #1 on: August 12, 2011, 09:34:32 am »

Super Pro, Pro, Sportsman (4A)

NITROUS OXIDE
Commercially available nitrous oxide permitted, including
supercharged and turbocharged engines. Nitrous bottle(s) in driver
compartment must be equipped with a relief valve and vented
outside of driver’s compartment. Bottle(s) must be stamped with a
DOT-1800 pound rating and permanently mounted (no hose clamps
or tie wraps). Hoses from bottle(s) to solenoid must be highpressure
steel-braided or NHRA-accepted hoses. Commercially
available, thermostatically controlled, blanket-type warmer
accepted. Any other external heating of bottle prohibited. See
General Regulations 1:6.


General Regulations (1:6)

Nitrous Oxide: Nitrous oxide permitted in E.T. classes and A/PM
only. Push system permitted. All  bottles must be securely mounted
(may not use plastic brackets), stamped with minimum DOT-1800
pound rating, and identified as nitrous oxide. Nitrous oxide bottle(s)
located in driver compartment must be equipped with a relief valve
and vented outside of  compartment. System must be commercially
available and installed per manufacturer’s recommendations.
Commercially available,  thermostatically controlled blanket-type
warmer accepted. Any other external heating of bottle(s) prohibited.


I couldn't find any regulation regarding vent tubing.  Of course, your track may have rules that exceed the NHRA's.  Probably best to check with them.
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juiced coupe
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Location: Pascagoula, MS
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« Reply #2 on: August 12, 2011, 10:50:34 am »

If you use braided, it should be the Teflon lined type. It should also be attached to a bulkhead fitting to keep it secured.
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Just a 12 second car with a 11 second engine.....that runs 10s
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