V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

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Old 02-07-2024, 06:30 AM
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injectors

Hello from Spain.
I want to change the injectors. Does anyone know where is a tutorial or video? What do I need to buy? In addition to the gasket, rings....maybe the pressure membrane? Any tubes that tend to break?
Do you recommend any reconstruction kit? I have seen one at Rockauto that includes the intake body gaskets, but I already changed them last year.
Thank you
Old 02-07-2024, 10:03 AM
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Car: ‘87 Base Firebird
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Re: injectors

Originally Posted by mikiman
Hello from Spain.
I want to change the injectors. Does anyone know where is a tutorial or video? What do I need to buy? In addition to the gasket, rings....maybe the pressure membrane? Any tubes that tend to break?
Do you recommend any reconstruction kit? I have seen one at Rockauto that includes the intake body gaskets, but I already changed them last year.
Thank you
What model and year is your car? If it’s an 86-90 Firebird you can download the 1988 GM service manual here which will include the procedure for injector replacement along with a lot of other useful things.
Old 02-07-2024, 01:12 PM
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Re: injectors

It is a 1990 3.1 v6
Old 02-07-2024, 05:20 PM
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Re: injectors

Originally Posted by mikiman
It is a 1990 3.1 v6
I am not sure if the 3.1 uses the same setup up as the 2.8, but I would assume so. Here are some screenshots from the shop manual about replacing injectors. If you have any further questions, I would recommend downloading the shop manual with the link I provided in post #2.


Basic overview of the fuel system

Intake manifold labeled

Fuel rail labeled

Injector replacement process
Old 02-22-2024, 12:13 PM
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Re: injectors

Hello. What injectors do you recommend? I saw an old post that talks about the 15 lb F1ZE with original O-rings
Old 02-22-2024, 03:28 PM
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Re: injectors

Originally Posted by mikiman
Hello. What injectors do you recommend? I saw an old post that talks about the 15 lb F1ZE with original O-rings
This business, "Southbay Fuel Injectors" is a sponsor of this website, is highly trusted here, and in fact sold me the injectors that are in my car right now. He gives a discount to members of TGO so call him to order and mention ThirdGen.Org.

https://www.southbayfuelinjectors.com/

The standard disclaimer applies, I am not in any way affiliated with Southbay other than being a satisfied customer.
Old 02-22-2024, 04:14 PM
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Re: injectors

youtube
Old 02-22-2024, 05:47 PM
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Re: injectors

Originally Posted by OrangeBird
This business, "Southbay Fuel Injectors" is a sponsor of this website, is highly trusted here, and in fact sold me the injectors that are in my car right now. He gives a discount to members of TGO so call him to order and mention ThirdGen.Org.

https://www.southbayfuelinjectors.com/

The standard disclaimer applies, I am not in any way affiliated with Southbay other than being a satisfied customer.
I haven’t needed new injectors yet, but I will be ordering from Southbay when I do. $166 for a set (even if they’re refurbished) when it’s $73 for a single new GM genuine one off on rock auto seems like a good deal.
Old 02-22-2024, 06:12 PM
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Re: injectors

Hi miki,
I responded to your email today. We have the injectors you need in stock. I sent you the link to the website as well. Here it is:

https://www.southbayfuelinjectors.co...injectors.html

If you have any questions please let me know
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