Step 5 Nozzle Mounting
Typical nozzle placement is approximately 6” or so before the throttle body inlet on the vehicle but the
nozzle can be installed anywhere on the intake pipe after a intercooler outlet/supercharger outlet/turbo
outlet. The nozzles should always be placed after an intercooler due to the possibility of the narrow
passages and loss of air velocity leading to puddling. Nozzles should also be mounted after a MAF
sensor due to the possibility of faulty readings. Nozzles should be mounted before a positive
displacement supercharger.
Mounting for metal and rigid plastic: Drill and tap the intake tube with a 11/32” drill bit and a 1/8”-27
NPT thread tap in desired nozzle mounting location. ***To prevent debris from entering the engine,
remove the intake tube from the vehicle prior to drilling***
Mounting in rubber boot (Nozzle Mount Adapter Part# SNO-40110): This sandwich adapter allows a secure
threaded connection in any rubber intake boot for water-methanol nozzles.
Install the nozzle at a 90°angle to the direction of airflow, and so that the nozzle tip is flush with the
inside of the intake tube or protruding slightly to ensure an uninterrupted spray pattern. Ensure the
nozzles cone of spray has no obstructions near the mounting location.
•
Install the nozzle assembly into the threaded intake tube using E-6000 sealant on the nozzle
threads.
•
Using a open end wrench, tighten the nozzle assembly ½ turn past finger tight so that the
nozzle head is flush with the inside of the intake tube.
•
Re-install the vehicle’s intake tube into its proper mounting location.
Step 6 High Flow Check Valve Install
The check valve assembly (7 PSI Crack Pressure) will ensure that boost pressure does not back-feed
air into the system or siphon due to engine vacuum. Ensure the check valve is installed with the arrow
pointing in the direction of flow. The Check valve may be installed anywhere between the pump and
nozzles. In a dual nozzle application the check valve will be placed between the pump and T fitting.
Quick Connect Kits Only- Fit the
NPT thread to push connect
adapters in both sides of the check
valve using E-6000 sealant on the
threads. Press the high pressure
tubing in each fitting, ensuring the
check valve is oriented properly in
the direction of flow.
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