Is it dangerous to use nitrous in stanky hot Tucson,az during the day?
06-07-2001, 05:04 AM
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Car: Junk
Engine: Junk with nitrous
Transmission: Junk with gears
Is it dangerous to use nitrous in stanky hot Tucson,az during the day?
Have a 150 NOS shot on my car..is it dangerous to use it during a 100 degree day or should I only use it during the night? SEems pretty damn hot..though the car only runs at 180.
06-07-2001, 08:12 AM
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Car: 1987 Z28 Convertible
Engine: 305 TPI
Transmission: 5-speed
Chris,
Nitrous and fuel jetting is completely dependant on both pressures. Too much nitrous pressure and you'll run lean (don't want that) -- too little and you'll run rich (don't want that either). You want nitrous bottle pressures to be 900 to 950 psig. So if you're running around in 100 degree weather with no A/C, you'll definitely need to cool the bottle down. You will see bottle pressures as high as 1500 psig. Nitrous should NEVER be injected at that high a pressure.
I've found that an ice soaked towel does wonders. The problem is sustaining optimal pressure, as the towel will quickly lose its ability to cool the bottle. That's why nitrous is very difficult to manage on the street.
------------------
Willie
Supercharged 1987 305 IROC-Z, Daily-Driver, Emissions-Legal.
Former Paxton (6-psig): 12.57 @ 111 mph.
Former Paxton (6-psig) & former 50-hp nitrous: 12.04 @ 114 mph.
ATI D1SC (5-psig):
12.26 @ 113.55 mph
ATI D1SC (10-psig): Projecting high 11's.
Future ATI D1SC (15-psig): Gotta catch them pesky 26-psig boosted TTA's!!
http://willie.camaro-firebird.org/
1987 "20th Anniversary Commemorative Edition" Z28 Convertible -- Super Chevy Show Class Winner, 1998.
[This message has been edited by Willie (edited June 07, 2001).]
Nitrous and fuel jetting is completely dependant on both pressures. Too much nitrous pressure and you'll run lean (don't want that) -- too little and you'll run rich (don't want that either). You want nitrous bottle pressures to be 900 to 950 psig. So if you're running around in 100 degree weather with no A/C, you'll definitely need to cool the bottle down. You will see bottle pressures as high as 1500 psig. Nitrous should NEVER be injected at that high a pressure.
I've found that an ice soaked towel does wonders. The problem is sustaining optimal pressure, as the towel will quickly lose its ability to cool the bottle. That's why nitrous is very difficult to manage on the street.
------------------
Willie
Supercharged 1987 305 IROC-Z, Daily-Driver, Emissions-Legal.
Former Paxton (6-psig): 12.57 @ 111 mph.
Former Paxton (6-psig) & former 50-hp nitrous: 12.04 @ 114 mph.
ATI D1SC (5-psig):
12.26 @ 113.55 mph
ATI D1SC (10-psig): Projecting high 11's.
Future ATI D1SC (15-psig): Gotta catch them pesky 26-psig boosted TTA's!!
http://willie.camaro-firebird.org/
1987 "20th Anniversary Commemorative Edition" Z28 Convertible -- Super Chevy Show Class Winner, 1998.
[This message has been edited by Willie (edited June 07, 2001).]
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