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

1992 LT1 injectors question

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Old 09-04-2015, 06:27 PM
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2UHONEY
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Default 1992 LT1 injectors question

I know 24lbs rated injectors is the standard for the 92 lt1.
I came across a good deal on a new set of Bosch but are rated 22lbs, would the 2 lbs difference cause a problem? would it cause a lean mixture problem
Old 09-04-2015, 06:29 PM
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antfarmer2
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I would not put in the wrong ones.
Old 09-04-2015, 07:07 PM
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92ragtop
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1992 OEM is 22#. I got 23# Bosch III from FIC and they are just fine.
Old 09-04-2015, 08:43 PM
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Purple92
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In a word "YES".

I have datalogging that shows the injector pulse width on my 92 was 100% at 6,000 RPM (only engine mods at that point were long tubes, and disconnected EGR).

So - substituting smaller injectors can be a BIG problem !!!!

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