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Old 05-02-2002, 10:58 AM
Hal Copple Hal Copple is offline
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Join Date: Jun 2000
Location: Rock Hill, SC
Cobra Make, Engine: Superformance, 396 CI
Posts: 1,268
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I am about halfway thru my Halon Installation, a ten pound system, got at a NASCAR operation near Charlotte, unused, cheap. If you put in too many nozzles, you won't have enough gas to swamp each place with Halon. with a five pound system, it is suggested you use two nozzles.

I am running mine with AN 4 Teflon hose, very easy to cut and fit, nice and snuggly fitted with clamps along the way. I have one three way outlet nozzle on the firewall aimed at the back of the carb. I was part way thru putting a nozzle down low along each header, thinking about how hot fire would rise, etc. But due to all the hosing, and possibility of an accident knocking it all apart, went with my single engine compartment outlet, snug and tight on the front of the firewall. I picked up a used NASCAR aircraft AN toggle valve shut off, i have not seen one in any of the AN parts catalogues, and am going to put it on the tunnel, aimed at me, left on, so with a hard pull on the activation handle, my system will blow gas both to me and the engine, but if only an engine fire, if you turn the valve, all the Halon goes to the engine.

I carry a 5# Halon in the passenger compartment, will tell my son if an engine fire when he is out in the car, to drop the hood, fire the Halon to the engine, spray the portable Halon half into each side vent, and wait for help. My system is all AN staineless steel stuff, with bulkhead connectors where necessary.

To be extra nifty, i am hooking up a nice parachute D ring, one used for reserve parachute activation, to the release pin in the compartment pull handle. I picked up a beautiful small alumimum switch box out of Jeff Gordon's car at the NASCAR shop, with a nice Hendrick Motorsports decal on it, jewel-like in construction, but can't find a way to use it yet.

I also drive on the drag strip/road course in full three layer nomex head to toe, including Balacava for my face.
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Hal Copple
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"Daily Driver"
IV Corps 71-72, Gulf War
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