Instruction Manual

MOUNTING THE NITROUS PLATE
Before any modifications are made under the hood, we suggest that you make a diagram of all
hoses wiring and linkages.
1. Pre-assemble the nitrous plate before you
begin. Select the horsepower setting that you want to start with, insert the proper nitrous
jet in the fitting
marked “N2O” (CAUTION: You must always use a back-up wrench on the jet fittings when tightening the nitrous or
fuel lines, failure to do so will result in broken fittings and will void the system
warranty!) Connect the blue stainless steel braided
line to
the plate fitting. The nitrous solenoid can be identified by the “N2O” stamped on the base. Repeat this pro cedure for the
fuel solenoid (the fuel solenoid will
be stamped “FUEL). NOTE: Always check each jet for obstructions before using.
2. Remove the upper intake manifold. Remove all
gasket material on the mating surfaces of the upper and lower manifold.
3. The nitrous plate should be installed as shown. (See Illustration B ) Fuel and nitrous fittings are to the front of the vehicle.
Using supplied gaskets on both sides of
the plate reinstall the upper intake on top of the nitrous plate and torque to factory specs using
the
provided hardware.
ILLUSTRATION B
ROUTING THE NITROUS FEED LINE
NOTE: Place a piece of tape over the end of the hose to prevent debris from entering feed line during the routing process.
The 4AN nitrous feed line may
be routed to the engine compartment either through the passenger compartment or under the vehicle. Route
the line carefully to prevent the possibility of restrict ing nitrous flow. If routed under vehicle, locate and drill a 3⁄4 inch diameter hole in a
suitable area near
the bottle valve for the main line. Starting at the bottle nipple (Do not attach line to the bottle nipple yet) route the line to
the engine compartment.
Following the factory fuel lines is usually the best path. Note: Keep maximum clearance between all moving
parts, suspension components and hot engine components, securing the supply line where possible (“Zip Ties” are the best for securing the
feed line). Be
especially careful of the feed line being near any “HOT” electri cal leads, one small spark will destroy the Teflon liner
causing a nitrous leak.
SOLENOID MOUNTING
1. The NX EFI nitrous systems are supplied with NX “Lightning Solenoids”. The “Lightning” is unique and special attention must be paid to
the “inlet-outlet port
arrange ment. The side inlet port is the location for the filtered 4AN to 1/8NPT fitting. The side “purge port”
is for the optional
purge valve. If no purge valve is used a 1/ 8 NPT plug is provided to block this port. The nitrous discharge is from
the bottom of the solenoid base, the non-filtered 4AN to 1/8NPT fitting and the blue 4AN line to the plate should be connected here. The
fuel
solenoid requires the 4AN to 1/8NPT fitting on the inlet side and non-filtered 3AN to 1/8NPT fitting on the outlet.
2. Install all solenoid fittings using the provided liquid red NX thread sealer (NO TEFLON TAPE PLEASE) at this time. The N2O filter is
mounted to the inlet side of the nitrous solenoid. The purge valve is connected to the opposite 1/8 NPT purge port (use the provided
plug if a purge valve
is not used). The port on the bottom of the solenoid is the discharge to the plate.
3. The solenoid mounting brackets are designed to
be universal. Start by mounting the solenoid brack ets to the base of each solenoid. Do
not
tighten! You may have to flip the mounting bracket over to align the solenoid for the proper orientation. Locate an existing screw,
bolt, or stud to
mount the solenoids. Choose a location that allows the two plate feed lines some slack to prevent any flow
restrictions or influence on the plate.
Tighten all mounting screws and mount locations securely now. Note: The solenoids may be
mounted in
any position, on their side or upside down.
4. Thread the blue N2O steel braided line onto
the Nitrous solenoid outlet (bottom of solenoid). Thread the red Fuel steel braided line onto
the Fuel solenoid outlet labeled “Outlet”. Tighten securely.
5. The bottle-feed line will be attached to the
N2O filter. See “Routing the Feed Line”. Before you attach the nitrous supply line to the
filter,
purge the line of any foreign matter that may have acci dentally entered the line during installation. Do so by removing the tape
used during
installation and blowing compressed air through the feed line. (Have an assistant hold the end of the hose aimed away from
the car and any people.
Wearing a glove is recommended). Immediately after the purging operation, connect the main feed line to the
N2O solenoid and the nitrous bottle,
tighten securely.