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injectors Plus - Performance Fuel Delivery Systems
 

Calculation Tools

Flow Conversion Calculator

Convert cc/min to lbs/hr

Convert lbs/hr to cc/min


Fuel Injector Size Calculator

Horsepower (at the flywheel)
Number of Injectors
B.S.F.C. *
Max Duty Cycle in % **

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

This guideline can help in determining what injector size to use.

* Brake Specific Fuel Consumption: is the amount of fuel consumed (in lbs. per hour) 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.

** Maximum Injector Duty Cycle should be around 80% max for safe operation. This allows for some future horsepower increases.


Fuel Flow Calculator

Old Pressure
New Pressure
Old Flow Rate
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