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Nitrous Oxide Information



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Nitrous Oxide Systems Jet Maps

 

These settings are baseline settings for Nitrous Oxide Systems (NOS) kits only!!

 

Here is the formula for calculating what flow jet to use on jet maps that aren't specified in the chart below:

 

Fuel jet Diameter. X Fuel jet Diameter. X 0.7854 X Number of fuel jets in kit = Total fuel jet area
 

Total fuel jet area divided by .7854 = (x)
Sq. Root of (x) = Flow jet diameter
 

-or-


Fuel jet Diam. X Fuel jet Diam. X Number of fuel jets in kit = (y)
Sq. Root of (y) = Flow jet diameter

 

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Super Powershot

HP Level Nitrous Fuel @ 5.5psi
100 .047 .053
125 .055 .061
150 .063 .073
180 .073 .082
 
 

Cheater & Dual Shot Cheater

HP Level Nitrous Fuel @ 5.5psi
100 .047 .053
125 .055 .061
150 .063 .071
180 .073 .082
210 .082 .091
250 .093 .102
 
 

Multi-Carb Cheater

HP Level Nitrous Fuel @ 5.5psi
100 .033 .037
125 .038 .043
150 .052 .059
175 .059 .065
200 .065 .073
250 .073 .078
 
 

Big Shot and 2 Stage Big Shot

HP Level Nitrous Fuel @ 5.5psi
100 .047 .053
125 .055 .061
150 .063 .071
175 .073 .082
225 .082 .091
275 .093 .102
325 .102 .110
350 .120 .116
 
 

Multi-Carb Big Shot

HP Level Nitrous Fuel @ 5.5psi
150 .052 .058
225 .059 .065
275 .065 .073
325 .073 .078
350 .085 .082
 
 

Pro Shot & Pro Race Foggers

HP Level Nitrous Fuel @ 6PSI
100 .018 .018
125 .020 .020
150 .022 .022
175 .024 .024
250 .028 .028
300 .032 .032
350 .036 .036
400 .040 .040
500 .042 .042
 
 

EFI Single Fogger Nozzle Wet

HP Level Nitrous Fuel @ 42+ psi
70 .042 .026
100 .047 .030
125 .055 .039
     
     

EFI Dry Kit w/ 19 lb/hr injectors (orange top)

HP Level Nitrous Tee-jet
75 .042 .059
100 .047 .053
125 .059 .042
150 .067 .042
175 .073 .042
     
     

EFI Dry Kit w/ 24 lb/hr injectors (light blue top)

HP Level Nitrous Tee-jet
75 .042 .063
100 .047 .057
125 .059 .051
150 .067 .045
175 .073 .042
     
     

EFI Dry Kit w/ 30 lb/hr injectors (red top)

HP Level Nitrous Tee-jet
75 .042 .067
100 .047 .063
125 .059 .061
150 .067 .053
175 .073 .045
     
     

EFI Dry Kit w/ 36 lb/hr injectors (brown top)

HP Level Nitrous Tee-jet
75 .042 .070
100 .047 .067
125 .059 .065
150 .067 .057
175 .073 .048
     
     

EFI Dry Kit w/ 42 lb/hr injectors (green top)

HP Level Nitrous Tee-jet
75 .042 .075
100 .047 .070
125 .059 .067
150 .067 .060
175 .073 .052
     
***Dry kits over 150 HP should use a .040 shim in the nitrous pressure regulator which will preload the internal spring and cause the regulator to work faster and keep up with the demands of the higher horsepower kits.  Fuel pressure will increase by about 15 psi.  Doing this on lower horsepower levels won't make much of a difference.  This shim is part of the NOS-05115-IINOS kit but is not included in the NOS-05115NOS kit.  The replacement part # is NOS-17933NOS***

 

 

 

Basic nitrous oxide fuel pressure flow gauge: