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Nitrous Express Radio Controlled Nitrous System
These are installation instructions for your Nitrous Express R/C Nitrous System. Installation was done on
an HPI Savage RTR .25. Installation may vary depending on vehicle and engine size. A colder glow plug
must be used with the nitrous installation. Consult your local hobby shop to determine the proper plug for
your application. In the Savage we used an Odonnell 99.
Removal of the body is necessary to access all
electronics and install the nitrous system
The best and most secure location for the 9 Volt
Battery is necessary for all-terrain performance of
your nitrous system. On the Savage, underneath the
electronics cover is the optimum location. You must
remove the 3 clips holding this cover down.
Once you remove the electronics cover you will also
need to remove the receiver mount as shown in the
picture.
The arrows show the location of the holes we had to
drill to mount the toggle switch and the wide open
throttle switch.
In order to nd the proper location for the wide open
throttle switch you must turn your RC vehicle on and
take it to full throttle using the Radio. Your throttle
servo arm must activate the switch for the system
to operate properly. Once the optimum location is
determined, mark holes and drill the electronics
cover. Also drill a hole for the toggle switch, allowing
clearance for all other electronics under the cover
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Install the supplied mini-toggle in the electronics
cover.
Connect the 9-Volt battery terminal to the battery
prior to installation into the vehicle
Place the battery under the receiver mount and reinstall the mount while keeping the battery leads to
the side. Make sure all wires are secure and receiver
mount sits down in original position.
Using the template provided on the last page of your
installation instructions, mark the best location to
mount your solenoid. Once you mark this location,
center punch and drill using an 1/8th inch drill bit.
Once drilled, you may mount the solenoid.
An example of the perfect battery location on the
savage is under the receiver mount.
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Install the .009 NX Jet into the jet tting.
Toggle
Switch
Micro Switch
N/C Contact not used
Nitrous Solenoid
6/,4
6/,4
9 Volt Batteries Must
Be Run In Series
+
+
-
-
Drill
V
V
Wiring Diagram
Bend stainless to t from the end of the jet to point
directly into air lter. This step will differ for every
RC Vehicle.
Once all steps are completed, make sure all ttings,
nuts and bolts are tightened. Re-install any covers
or clips that were removed in the process. Now
following the wiring diagram solder all connections
to complete the install. Once all connections are
soldered, test system by arming the toggle switch and
pull the trigger until wide-open-throttle is achieved.
The nitrous solenoid should click. After the system
is functioning properly, Open the cartridge crusher,
insert a cartridge, and thread the crusher closed until
the cartridge is punctured.
Cut out solenoid template for proper hole alignment,
angle of holes may vary depending on solenoid
location.
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