What are these holes on my intake?
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Car: 1987 Firebird Formula
Engine: 305 Carbureted
Transmission: 700r4
What are these holes on my intake?
Can anyone tell me what these holes on the side of my intake are? It’s an Edelbrock Vortec performer rpm and the whole are 1/2 inch. I’m confused what I could possibly use these for. Also is the hole under the carb the only vacuum port? Because I have a brake booster to run to it and a pcv so am I just supposed to run them to a T kind of thing?
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Car: 1987 Firebird Formula
Engine: 305 Carbureted
Transmission: 700r4
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Airwolfe (09-14-2023)
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Car: 84 Z-28 Camaro, 2022 Chevy 2500
Engine: 383
Transmission: T-56
Axle/Gears: 3.73
Re: What are these holes on my intake?
there not for egr, it's for an old style thermo choke, the exauast heats up en element and the choke linkage opens the choke up, that's y its under the linkage, if it were egr it wouldn't be threaded, it would be part of a triangular flange w a hole going to the intake and 2 bolt holes
Last edited by lewandom; 09-13-2023 at 04:34 PM.
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Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: What are these holes on my intake?
there not for egr, it's for an old style thermo choke, the exauast heats up en element and the choke linkage opens the choke up, that's y its under the linkage, if it were egr it wouldn't be threaded, it would be part of a triangular flange w a hole going to the intake and 2 bolt holes
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