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

1992 injector question

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Old Sep 1, 2022 | 05:49 PM
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Default 1992 injector question

Getting ready to buy new injectors for my 1992. I understand factory injectors were 22lb. I'm finding many recommended for the 1992 are 24lb. Is it ok to use 24lb?
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Old Sep 1, 2022 | 07:48 PM
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I found this.
Searching was a 50/50 split for 92- 93~ 22 VS 24~ 1985: 24 lb/hr at 43.5 psi or 22.5 lb/hr at the factory 36-37 psi

1986-1993: 22 lb/hr at 43.5 psi

1994-1996: 24lb/hr at 43.5 psi
My 94 OE is 24 lbs PO upgraded with Ford 24 lbs injectors. It ran horrible. I tuned the PCM balanced the Individual idle/ off idle via temp readings per Cyl. Ran great.

You should be ok with 2 lbs / hr extra. You may need a 24 lbs constants update in your ECU for a smooth idle.



Last edited by THE 383 admiral; Sep 1, 2022 at 10:16 PM. Reason: ~
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