Nitrous Sizing Calculator

Calculate nitrous jet sizing and fuel requirements.

Target Nitrous Horsepower

HP

System Type

Fuel Type

Bottle Size

Bottle Pressure

PSI

Optimal range: 900-1050 PSI

Common Jet Combinations

HP Target	N2O Jet	Fuel Jet (Gas)
50 HP	.028	.018
75 HP	.034	.022
100 HP	.042	.026
150 HP	.052	.032
200 HP	.060	.038
250 HP	.068	.042
300 HP	.078	.048

Safety Guidelines

Keep bottle pressure between 900-1050 PSI
Use appropriate fuel enrichment for your HP level
Retard timing 1-2 degrees per 50 HP
Never spray below 2500 RPM
Use a window switch for consistent activation