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Custom Performance Fuel Injectors

Custom Fuel Injector Selector

Actual Desired Crankshaft Horsepower

B.H.P.

Number of (same size)performance fuel 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.

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