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| | |-+ Venting NOS bottle
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Author Topic: Venting NOS bottle  (Read 3049 times)
Small Block
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Posts: 199

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.

347 Four Eyed Foxbody - Learning how to make more power thru SBFTech
Big Block
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Posts: 2407

Location: Pennington, NJ
Fibonacci: It's as easy as 1, 1, 2, 3, ...

« Reply #1 on: August 12, 2011, 09:34:32 am »

Super Pro, Pro, Sportsman (4A)

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.

juiced coupe
Six figures worth of don't give a f*ck
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Big Block
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Posts: 7527

Location: Pascagoula, MS
The land mass between New Orleans and Mobile

« 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.

Just your everyday 11 second car... Keep thinking that.

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor
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