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Chapter 2 Kit Installation
2.1 Bottle Mounting Instructions
Accurate calibration of your NOS nitrous system depends on the bottle remaining at a stable temperature. Mount the bottle away from
heat sources, such as the engine compartment or exhaust system, and away from windows, where the bottle is exposed to direct
sunlight.
2.2 Bottle Orientation
Bottle placement is critical to the performance of your NOS nitrous system. It is important to understand how the bottle valve and
siphon tube are assembled to properly orient the bottle in your vehicle and ensure that it picks up liquid nitrous while undergoing
acceleration. All nitrous bottles are assembled so that the bottom of the siphon tube is at the bottom of the bottle and opposite the
bottle label (Figure 2).
Whenever the bottle is mounted in a lay-down position, the valve handle must be towards the front of the vehicle with the label facing
up (Figure 3A).
If the bottle is mounted vertically, the valve handle and label must face toward the front of the vehicle (Figure 3B). This orientation will
position the siphon tube at the back of the bottle where the liquid N
WARNING! DO NOT attempt to remove the siphon tube without completely emptying the bottle of all N
A bottle mounted upside-down must have the siphon tube removed before use (Figure 3C). Non-siphon bottles can be specially
ordered from NOS.
If the bottle must be mounted parallel to the axles of the vehicle (sideways), the valve handle and label must be angled at approximately
45° toward the front of the vehicle (Figure 3D). This orientation will position the siphon tube toward the rear of the bottle.
NOTE: When using a bottle with a siphon tube, the tall bracket should be at the valve end of the bottle and the short bracket at the
bottom (Figure 3E).
The most efficient mounting is the lay-down position (Figure 3A) with the valve handle toward the front of the vehicle. This position
allows the greatest amount of liquid to be used before the siphon tube begins to pick up gaseous nitrous oxide.
Find a position in the rear of your vehicle that meets your personal preference. Make sure that it meets the guidelines show in Figure 3.
Figure 2 Nitrous Bottle Siphon Tube Orientation
2.3 Bottle Installation
Before mounting a nitrous bottle in a racing vehicle intended for use in sanctioned events, check with the sanctioning association for
any rules regarding this subject. Most associations require the bottle to be mounted within the confines of the safety roll cage with the
safety pressure relief cap vented away from the driver's compartment. This feature is included in the 02125NOS kit.
1.
Install the bottle nut adapter and washer on the nitrous bottle, and tighten securely.
2.
Slip the bottle mounting brackets onto the nitrous bottle, as shown in Figure 3E.
O will be during acceleration.
2
Figure 3 Nitrous Bottle Mounting Orientations
O and pressure.
2
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