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

Fuel Injector compatibility

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Old Apr 29, 2023 | 05:56 PM
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Default Fuel Injector compatibility

Are the injectors from 1985 through 1996 the same? Are they compatible with one another?
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Old Apr 29, 2023 | 08:50 PM
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As far as plugging in the same, most are. They have different flow rates depending on the year. If you put the wrong size you'll mess up your afr. The Bosch IIIs from several years of various 90s cars will fit too. You can find the same flow rate, ohm rating and plug type. The Bosch IIIs have a 4 hole spray pattern that improves performance and economy. I found the mid 90s Frod Taurus V6 had the same flow rate as my 92. Been using them for several months with no problem.
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Old Apr 29, 2023 | 08:59 PM
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Thanks...Yea, I got some of the Bosch III's for my '86. Long story on that one, but basically put those in, drove it around the block, and it's sat for a few years now. I may be selling that car cheap, and wondering if I can snag those out and use 'em in my '96 LT4...I'm thinking they are slightly different...24lb vs 26 or 28lb?

Thanks...
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Old Apr 29, 2023 | 09:16 PM
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I found from researching the 92 was a unique flow rate for the LT1s. I think it's 23.8 or something. The 93+ were different. Maybe 22, but don't quote me.
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