Nitrous Express Proton Nitrous Systems User Manual

Nitrous Express For the car

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INSTALLATION INSTRUCTIONS FOR:

Proton Nitrous Systems

CAUTION: An experienced technician familiar

with the use and handling of high-pressure cryogenic gases
should install this system. If you have any doubt about
your skills this system should be taken to a qualified shop for
installation. If you have decided to do the install yourself
please read and understand all of these instructions before
you start. Some of these instructions may or may not
apply to your vehicle, if you have any questions please call
our tech department 940-767-7694 9:00A.M.-5:00P.M. CST.

Before starting, disconnect the negative terminal on the
battery. If you have any questions about your particular
vehicle consult a shop manual.

These instructions are divided into 6
sections:

1.

Mounting the Bottle & Routing the Supply

Line

2.

Mounting the Nitrous/Fuel Management System

& Nozzle

3.

Plumbing the Fuel System

4.

Wiring

5. Testing the System

6. Power Tuning Tips

Mounting the Bottle & Routing the Supply
Line

1.

Assemble the nipple on the bottle as shown in
Figure “A”. The nitrous bottle should be
mounted outside the passenger compartment; if
this is not possible an external venting blow
down tube is a necessity (NX PN 11708 &
11709). A minimum of 4-5/16, grade 5, bolts
with washers must be used for a safe
installation. The bottle should be mounted as
shown in Figure “A”. Check beneath floor for
obstructions such as fuel tank, fuel lines,
electrical wiring, etc before drilling holes.

2.

Have the nitrous bottle filled with “NY-TROUS

+” nitrous oxide. A local speed shop or a
welding supply shop can usually handle this.

To route the supply line drill a ¾ hole beneath the valve
discharge port. Before beginning the routing procedure,
place tape over both ends of the line to prevent debris from
entering the line during the installation process. Now
route the line beneath the car being sure to avoid all
exhaust, suspension and other moving parts. Following
the factory fuel line is

usually the safest. Be careful to

avoid any positive 12-volt

sources.


Nitrous Express

5411 Seymour Hwy

Wichita Falls, TX 76310

Tel: 940-767-7694

Fax: 940-687-0751

www.NitrousExpress.com

One small spark to the outer braid of the line will
destroy the Teflon inner-liner. Secure the line carefully,
zip ties work best here. Before connecting the line to the
bottle, purge the line of all possible debris by carefully
blowing compressed air through the line for several
seconds. Connect the line to the bottle valve and tighten
securely.

Figure A

Mounting the Nitrous/Fuel Management System & Nozzle:

If you are using an EFI nozzle mounting adapter (part # 15719) follow the
instructions in section A below. If you are not using an EFI nozzle
mounting adapter, skip to section B below.

A. Mounting the nitrous nozzle using a nozzle mounting adapter

1. Remove the air inlet tube. Drill a 9/16” hole in the

location you have chosen for the nozzle placement. This
area should be as flat as possible to assure proper sealing
of the nozzle adaptor.

2. Using a silicone RTV type sealer, apply a thin bead

around the nozzle adaptor sealing surface. Insert adaptor
from the inside of the air inlet tube and snug the locking
nut against the outside of the air intake tube. Thread the
Shark nozzle into the adaptor and tighten, aligning the
nozzle discharge toward the throttle body. (The arrows in
illustration “B” show the proper nozzle orientation.)

B. Mounting the nitrous nozzle without a nozzle mounting adapter.

1. Remove the air inlet tube. Drill a hole in the location you

have chosen for the nozzle placement. Tap the hole with a
pipe tap that matches the threads on the nitrous nozzle.

2. Using red thread sealer, thread the nozzle into the air

intake tube and tighten, aligning the nozzle discharge
toward the throttle body. (The arrows in illustration “B”
show the proper nozzle orientation.)

3. Using the horsepower jetting chart select the desired jets.

Insert the jets into the nozzle fittings being sure to insert
the correct nitrous and fuel jets into the correct fittings.
Note: The larger jet # always goes in the fitting marked
“Nitrous”

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