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Snow Performance 20100 - Testing the System

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boost reaches higher levels (such as in a race or in a WOT situation on
the street) the system will inject very aggressively for maximum octane
gain and cooling.
Note that in all of the above examples, all of the data needed in terms of
PW and boost can be obtained through the controller display itself.
Simply driving under cruising conditions and trying various levels of
throttle and boost will allow the user to determine good set points for
injection.
Other controller features:
The controller can be put into a “read-only mode” for the purpose of
viewing boost and EFI data without injection. To toggle this mode on and
off, press and hold button 2 in any display screen. While holding button 2
down, press and hold button 1. After 1 second, release both buttons. The
controller will give no indication that it is in read only mode except for the
fact that it will not inject under any circumstances.
The controller also has the ability to be programmed and display
data in standard or metric units. Holding down button two while
powering up the unit will trigger metric units. Pressing and holding
button one as power is first applied will select standard units.
Testing the System
Step 1 Test Pump and Mechanical System
Disconnect all control and SafeInjection® modules. Disconnect tube from
the outlet port of the pump. Using a 12 volt source, apply power to red
wire of pump. Pump should activate and fluid level in tank should go
down. It is
recommended to also check the nozzle spray pattern while
following this procedure. Also check for leaks. Do not pump fluid through
a SafeInjection® module without all nozzles connected. This can
overflow the unit and cause damage.
The injection FULL point should be at MAX boost
pressure.
EXAMPLE:
Cruising P/W: 18% +5% _23%_
WOT P/W: _52%_ -5% _47%_
Cruising-1/4 throttle Boost (PSI) 2PSI . +3 to 5PSI 5
to 7PSI .
MAX Boost (PSI) 18PSI . -3PSI 15PSI .
Tuning Notes:
Cruising P/W: _____ + 5% _____
WOT P/W:_____ -5% _____
Cruising-1/4 throttle Boost (PSI):_____ +3 to 5 PSI
_____
Max Boost (PSI):_____ -3 to 5PSI _____
For small Turbos and fast reacting Super Chargers which
are also injecting based on Fuel Injector Pulse width you
will need to have injection based more on P/W than PSI
settings for the controller to inject properly.
Under moderately heavy throttle, boost will trigger a small amount of
injection for cooling and efficiency. As more boost builds under higher
throttle positions, the system will add more injection. In the event that