C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Fuel Injector PSI?

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Old Jun 19, 2009 | 04:52 PM
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Default Fuel Injector PSI?

Is there an advantage to running higher psi injectors than stock? If so what do you guys reccomend and why? im new to the whole car thing/fuel injected engines. thanks alot
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Old Jun 19, 2009 | 05:25 PM
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Injectors should be sized for your application. Get with Jon at FIC Injectors he has a "sticky" on the top of C4 Tech/Performance section.

From what I understand, the only benefits running higher than normal psi on an injector occur while running @ wide open throttle (WOT) since the car's computer will try to correct the fuel delivery rate in any lower throttle postions.
Welcome to fuel injection,
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Old Jun 19, 2009 | 06:00 PM
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On a stock engine you should run stock injector pressure.
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Old Jun 19, 2009 | 08:22 PM
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Originally Posted by MP6
Is there an advantage to running higher psi injectors than stock?
No.

Fuel injectors are designed to operate at a certain fuel pressure and flow amount for a specific engine size too achieve the proper air/fuel ratio.
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