This calculator will provide the injector size required for your performance application in lb/hr per injector.
| variable | description |
| Number of injectors | the total number of injectors on your engine |
| Maximum duty cycle | the maximum time the injector is on vs off. Maximum recommended is 80% of on time. |
| Fuel type / application | Refers to the Brake Specific Fuel Consumption for the application. Values used in the calculator are: Naturally aspirated (gas) 0.5 Forced induction (gas) 0.6 Ethanol 1.08 Methanol 1.2 |
| Target horsepower | the target horsepower of the engine |
| pounds per hour per injector | injector sizing required for the engine |
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