2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Do you need your ACV to open your 5/6th ports?

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Old Dec 17, 2003 | 01:38 PM
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From: Morgan County, Indiana
Do you need your ACV to open your 5/6th ports?

also do i need my air pump for anything but emissions?
btw if i have a cat(just one at my y pipe) do i need to keep my acv, im dont know what the air going into it does but it must be important.
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Old Dec 17, 2003 | 02:04 PM
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From: Morgan County, Indiana
read my sig for what my car is.

This is a simple question, No one know?

Last edited by Mephis; Dec 17, 2003 at 02:09 PM.
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Old Dec 17, 2003 | 02:58 PM
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No one probably wants to answer you.

If you have an S5, you don't need the ACV. The ports are controlled by a solenoid on the vacuum rack. Obviously, you would need to keep the airpump. If you remove the ACV, you will have to reroute the air supply line to the ports.
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Old Dec 17, 2003 | 03:01 PM
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hmmmy air pump just throws air into the acv, and i only have one little vac line going into the acv. and the port opening round things (hillbilly talk) are running off a huge mass of metal vac lines wraping around the round copperish top of the acv.
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Old Dec 17, 2003 | 03:04 PM
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One of those lines leads to a nipple near the ACV. Check the factory service manual for the exact location.
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Old Dec 17, 2003 | 03:06 PM
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From: Morgan County, Indiana
will do. thx
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