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How are factory injectors rated???

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Old 01-31-2007, 08:01 PM
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Default How are factory injectors rated???
If the L76 injectors are 39lb per hour, at what psi does the factory rate them at? Would it be 57-60psi like the F-bodies? I am trying to find out for a base tune. Thanks for the help.
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Old 01-31-2007, 09:20 PM
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should be the standard 43.5psi.... but i could be wrong
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Old 01-31-2007, 09:32 PM
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GM has a habit of rating theirs at 58 psi (or whatever fuel rail pressure the car uses that they are installed in).
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