BoonDocker – 1585 Hollipark Dr. Idaho Falls, ID 83401 – 208-542-4411 / 877-522-7805
Revised 10-31-07 Page 9 of 16
VII. Nitrous Tuning (for optional Boondocker Nitrous kit)
Note: Be sure to make non-nitrous (RPM-based) tuning adjustments first. Once the nitrous tuning procedure has been
done, any changes to the RPM fuel settings may affect nitrous fuel delivery. If this occurs, the nitrous tuning steps will
need to be done again.
On the startup screen (displayed when first powered on), note the message in the lower right-hand corner.
ADJ – Configured for a nitrous system using an Adjustable or Fixed N2O pressure regulator.
FIX – Configured for a nitrous system using a Fixed N2O pressure regulator.
NON – Configured for a nitrous system that is Non-regulated.
Be sure that this description matches your actual nitrous system. Some internal settings and some user menus and settings
are affected by this configuration. Do not attempt to run a Non-regulated nitrous setup with the Control Box in ADJ
mode or a Regulated nitrous setup in NON mode! Please call Boondocker if your setting is incorrect. If you do not
have nitrous capability, then this configuration does not matter.
The fuel adjustment setting in the N2O menu is used to control how much fuel is added during nitrous use. The nitrous
pressure transducer input is used to automatically scale the fuel adjustment up or down from this base setting according to
nitrous pressure. However, you still must go through the nitrous tuning procedure before you can safely use nitrous.
Warning: Only adjust the control Box settings according to the steps below. The best way to tune an
engine is with the use of an oxygen sensor and gauge (available from Boondocker). This adjustment
process should only be performed by an experienced tuner. If you are not an experienced tuner, find
someone who is. Remember, safety first!
The steps below should be performed with a full nitrous bottle
. On systems without a nitrous pressure regulator, make sure
the bottle is at proper operating temperature (70-90deg F) and pressure (700-1000psi)
. Make sure the engine is at normal
operating temperature.
Do not exceed 2 seconds of nitrous use until the fuel adjustment is complete and correct.
1. First configure the nitrous system for Button use. The next chapter will describe different ways to configure your
system for nitrous activation, but we’re going to shortcut that for now.
Select N2O from the Main Menu, move the cursor so it is under Btn and press the Up Arrow until N2O. Press
“SEL” to return you to the Main Menu. Select N2O from the Main Menu again. Look at the N2O Menu to be
sure that TPS and RPM are turned OFF.
N2O Menu for Button Activation for initial Nitrous Tuning:
Fuel TPS RPM Btn
Æ040 OFF OFF N2O
2. Follow this step only if you have an adjustable N2O pressure regulator:
Select N2O from the Main Menu. With
the cursor under Fuel, when you press the up, down, or “SEL” key, the following menu appears:
340 180psi Dlay
Æ050 025 000
The 340 and 180 fuel settings are
used to create a Fuel Adjustment
Line (see graph) which allows
nitrous fuel to be automatically
adjusted according to N2O
pressure. Raising or lowering
either of these values will change
the slope of the line.
N2O Pressure/PSI
N2O Fuel Adjustment Line is determined by
the 180 and 340 fuel settings
180 340
Fuel
Adjust
(17 pages)
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