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What fuel pressure should I run?

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Old Apr 21, 2009 | 02:07 PM
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Default What fuel pressure should I run?
I have an edelbrock adjustable FPR and lucas 42.29lb/hr injectors, I know the injectors are a 3 bar injectors but at what psi should I run the regulator?
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Old Apr 21, 2009 | 02:16 PM
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i have my fp set to 60. i have the same injectors if they are rated at 43.5 psi.. they come out to 58-59 lb injectors
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Old Apr 21, 2009 | 02:37 PM
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you have been a big help through out this intake swap thanks
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Old Apr 21, 2009 | 11:59 PM
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Originally Posted by dirt track racer 81
i have my fp set to 60. i have the same injectors if they are rated at 43.5 psi.. they come out to 58-59 lb injectors
will this harm them in the long run?
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Old Apr 22, 2009 | 08:11 AM
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59-60 psi will not cause any issues with the injectors.
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Old Apr 22, 2009 | 06:00 PM
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thanks for the help
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Old Apr 22, 2009 | 06:19 PM
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Originally Posted by dirt track racer 81
i have my fp set to 60. i have the same injectors if they are rated at 43.5 psi.. they come out to 58-59 lb injectors
This is correct...
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Old Apr 23, 2009 | 09:40 AM
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is stock 58psi or 60?
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Old Apr 23, 2009 | 12:41 PM
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stock is 58psi.
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Old Apr 23, 2009 | 01:16 PM
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If the injectors are designed for 3 bar I would run them there. I think the spray patterns get distorted when you turn the pressure up higher than designed, plus the lower pressure is easier on the pump.
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