Fuel Injection Calculations Use this page to estimate fuel injector size. BSFC is the amount of fuel consumed for each horsepower made. This should be .45 to .50 for naturally aspirated engines .55 to .60 for supercharged engines and .60 to .65 for turbocharged engines.

Flow conversion

Convert cc/min to lbs/hr

Convert lbs/hr to cc/min

Fuel Injector Size Calculator
Flywheel HP
Number Of Cylindars
BSFC See Notes
Max Duty Cycle in %

Required Injector Static Flow Rate @ 43.5 psi	lb/hr cc/min

Fuel Pressure Modification

Fuel Flow Calculator
Old Pressure
New Pressure

Old Flow Rate
New Flow Rate