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

injector resistance

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Old Jun 3, 2019 | 07:35 AM
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Default injector resistance

I purchased a set of injectors for 1985 Corvette. I tested the resistance. All 8 injectors are 12.4 -12.5 ohm. The resistance for the stock injectors is 14 - 16 ohm. Will the lower resistance cause any problems.

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Old Jun 3, 2019 | 08:17 AM
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Originally Posted by jseremba
I purchased a set of injectors for 1985 Corvette. I tested the resistance. All 8 injectors are 12.4 -12.5 ohm. The resistance for the stock injectors is 14 - 16 ohm. Will the lower resistance cause any problems.

Thank you
i'm thinking the coil resistance specs are between 12 and 17 ohms. if your injectors are within .1 ohms across the board, you have a nice balanced set. I wouldn't worry about anything.

Last edited by Joe C; Jun 3, 2019 at 08:20 AM.
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Old Jun 3, 2019 | 02:37 PM
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Default should be fine

This would cause the injector coil current to be lower from ~.96 A to ~.75 A which is easier on the transistor drivers in the ECM so you shouldn't have any problems.
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Old Jun 3, 2019 | 03:20 PM
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Probably not. Where did you get them from? If from a reputable source, no worries. Some eBay special, well....
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Old Jun 3, 2019 | 06:46 PM
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Well they are rebuilt from ebay(Oh NO).
I did see someone on YouTube said that the balance is more important than the actual number. Just checking. People can say anything. This weekend the fuel pressure regulator goes. I turned on the car and the pressure is just below 40. but, drops almost immediately to 30 and ends up very close to 20 after a few minutes.
So new regulator.

thank s for the help
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