injectors Plus - Performance Fuel Delivery Systems
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Calculation Tool

Fuel Injector Worksheet
Actual Desired Crankshaft Horsepower B.H.P.
Number of (same size) injectors to be used
Brake Specific Fuel Consumption desired
  * See note below.
Maximum Injector Duty Cycle you will see
  Warning: Duty cycle should not exceed 80% (0.80) for these calculations.
System fuel pressure @ fuel rail PSIG
(Static flow) injector required @ test PSI of 43.5"
  Lbs/Hr      CC/Min


* Brake specific should be .45 to .50 for naturally aspirated engines,
.55 TO .60 for supercharged engines,
and .60 to .65 for turbocharged engines.
 

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