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fuel injector impedence

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Old Mar 3, 2006 | 07:39 AM
  #1  
TransAmSteve's Avatar
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From: Crystal River, FL.
Car: 91' Trans Am 1le
Engine: 350 TPI
Transmission: T5
Axle/Gears: 3.42
fuel injector impedence

I have a 91' gta with the 305 tpi I was just wondering if these are high or low impedence injectors. Also does anyone know what size they are?
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Old Mar 3, 2006 | 08:34 AM
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
they are 19 lb injectors.
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Old Mar 3, 2006 | 10:11 AM
  #3  
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From: Crystal River, FL.
Car: 91' Trans Am 1le
Engine: 350 TPI
Transmission: T5
Axle/Gears: 3.42
would you happen to know if they're low or high impedence?
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Old Mar 3, 2006 | 11:40 AM
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From: lakewood colorado
Car: 84-92 firebirds
Engine: 2.8/3.1
Transmission: auto
they should be high impedance
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Old Mar 4, 2006 | 10:27 AM
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doc
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From: Mims, Florida
Car: '87 IROCZ
Engine: 395 ZZ4
Transmission: ProBuilt 700R4
Axle/Gears: 9 bolt 3.70s
yep, that is correct.

All 3rd gen F-body TPIs got high impedence injectors. I think the range is about 12 to 18 ohms with a typical value of around 15 to 16 ohms.

All 305 TPIs got 19#/hr injectors, while the 350 TPIs got the 22#/hr injectors.
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Old Mar 6, 2006 | 09:06 AM
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From: Crystal River, FL.
Car: 91' Trans Am 1le
Engine: 350 TPI
Transmission: T5
Axle/Gears: 3.42
Thanks for the info guys
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