1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Injector sizes and Impedence?

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Old 08-27-02, 09:28 AM
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Injector sizes and Impedence?

I am curious about injector sizes and impedence on first gen sevens. Anyone know them or point me in the right direction?
Old 08-27-02, 10:27 AM
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Driven a turbo FB lately?

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Only a SE uses fuel injectors (unless you are talking about Jspec 12at's)

Alex you know the size?

I m thinking its 550 or 720cc? Cant really remember
Old 08-27-02, 10:36 AM
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680cc I can't remember the impedence.
Old 08-27-02, 11:14 AM
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I can has a Hemi? Yes...

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1984 = 680 cc
1985 = 720 cc
J-Spec 12A Turbo = 820cc

Low Impedence.

If you are thinking for use in a TII, You shouldn't really mix low and High impedence. And yes I know about the resistor thing, - but I have seen poor idle results from mixing them together on a stock ECU.
Old 08-27-02, 11:24 AM
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Actually im thinking about tossing them in a 86 GXL i am going to run with a Zex kit. Thanks for the input guys as always.
Old 08-27-02, 12:16 PM
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Low impedance = 1.5-3 ohms
High impedance = 11-14 ohms
Old 08-27-02, 12:54 PM
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Driven a turbo FB lately?

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My cosmo ones measure 15 ohms... I didnt measure the Bosch ones
Old 08-27-02, 01:10 PM
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Duh, stupid of me, got them screwed up with some other injectors, it's 12-16 ohms, sorry.
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