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EGR Solenoid for carb engines

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Old May 26, 2021 | 08:11 AM
  #1  
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Car: 1986 Trans-Am
Engine: 305 4BBL
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Axle/Gears: 2.73 Stock
EGR Solenoid for carb engines

There is a lot of discussion about the EGR solenoid for TPI and TBI engines and some threads on how to use various solenoids from other cars (Vette's, Caddy's).

What I am wondering is if anyone has any information on the EGR solenoid for carb cars? I haven't been able to find any information as to what the voltage should be, whether its normally opened or closed, what the part number was, etc.

I've actually ended up with 2 solenoids (Standard VS18, and one for a Vette), which I will obviously have to make an adapter for. But I'm not sure of they are correct as far as being opened and closed at the right time, etc.

Another question I have, if anyone could help, is that since my car(s) didn't have the solenoid on when I bought them, where does the solenoid mount on the carb cars? Would anyone happen to have a picture or can get one?

I appreciate any help with this. Thanks in advance.
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Old May 26, 2021 | 04:03 PM
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Re: EGR Solenoid for carb engines

It may use a tvs
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Old May 26, 2021 | 04:06 PM
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Re: EGR Solenoid for carb engines


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Old May 26, 2021 | 04:29 PM
  #4  
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Car: 92 Firebird, 77 Trans Am SE, 86 Z28
Engine: 5.7 HSR, T/A 6.6, empty
Transmission: T-5, TH350, T-5
Axle/Gears: 3.08 posi, 3.23 posi, 3.23
Re: EGR Solenoid for carb engines

I'm inclined to agree, I've never seen a solenoid for a carb car. All the ones I recall had a thermo vacuum switch
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Old May 26, 2021 | 05:38 PM
  #5  
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Car: 1984 Chevrolet Camaro Z28
Engine: 5.0 Liter 4-BBL V8 High Output
Transmission: 5-Speed Manual
Axle/Gears: 3.73
Re: EGR Solenoid for carb engines

Originally Posted by Vachaun22
Another question I have, if anyone could help, is that since my car(s) didn't have the solenoid on when I bought them, where does the solenoid mount on the carb cars? Would anyone happen to have a picture or can get one?

I appreciate any help with this. Thanks in advance.
It's Bolted To This Bracket And Then Bolted On With An Intake Manifold Bolt















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Old May 26, 2021 | 06:06 PM
  #6  
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From: Milwaukee
Car: 92 Firebird, 77 Trans Am SE, 86 Z28
Engine: 5.7 HSR, T/A 6.6, empty
Transmission: T-5, TH350, T-5
Axle/Gears: 3.08 posi, 3.23 posi, 3.23
Re: EGR Solenoid for carb engines

Interesting, I wonder how I've never ran across one. Maybe sneak POs that already 'deleted' it. Or a Cali thing?
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Old May 27, 2021 | 03:51 AM
  #7  
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Car: 1986 Trans-Am
Engine: 305 4BBL
Transmission: THM 700 R4
Axle/Gears: 2.73 Stock
Re: EGR Solenoid for carb engines

For some reason I can remember that the emissions decal for both of my car is number YCM if you are interested in seeing the carb'ed emissions with the EGR solenoid.

Thanks @gt4373 for the image. That will at least help me get something located in the engine bay correctly.

Now it's just a matter of digging up the information on the specs of the solenoid. Back to the world of googling....
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Old Sep 29, 2025 | 09:54 PM
  #8  
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From: Los Angeles
Car: 1984 Pontiac Trans Am
Engine: 305 L69 HO
Transmission: 5 Speed manual
Axle/Gears: 3.73
Re: EGR Solenoid for carb engines

Hi there, we have the same car but mine is the TA version. I'm looking for this exact EGR solenoid - for a carbureted L69 HO V8.
Has anyone ever found a replacement source?
Thanks,
Nick
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