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  1. #1

    Default '85 Mustang GT ORIGINAL Vacuum/Emissions four solenoid module

    Name:  P1040680.jpg
Views: 146
Size:  113.1 KBEssentially, this module is about all I have left from my '85 Mustang GT. Surprisingly, my one part sales from this car often led to much larger sales to the same person. So much so that I now have very few parts remaining from this car. If you have any questions, I will do my best to answer them in the order that they are received.

    As I'm sure there's an official name for this item, I'll be darned if I know it. What I am sure of is it's in excellent condition and if you're on a quest to bring one of these cars back to its original condition, then you might be in need of it. In other words, it's $300 plus shipping.Name:  P1040679.jpg
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Size:  111.2 KB

  2. #2
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    FYI- That is a "High Altitude Compensation Valve Assembly".

    It worked in conjunction with a sensor located on the front of the drivers side strut tower and together, they would essentially cause a vacuum leak and lean out the mix at high altitudes.
    '85 GT

  3. #3

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    Thank you! Tried to find in my shop manual. Now that I know its name, will take another look.

  4. #4
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    You'll find mention of it on pages 132 and 133 of the EVTM.

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    Name:  133.jpg
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    Its also here on the under hood vac diagram off my '85 5 speed GT.

    Name:  hi alt vac diag.jpg
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    Last edited by qikgts; 10-06-2018 at 01:04 AM.
    '85 GT

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