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360 Exhaust Valve Question

Discussion in '360/430' started by spider348, Aug 30, 2019.

  1. spider348

    spider348 Formula 3
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    Nov 3, 2003
    1,169
    MA
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    John
    Replaced my Tubi on my 360 spider with the modified 430 exhaust as detailed by Aldous Voice(Great Reference website). Very close to Challenge Stradale System.
    Started 360, very loud! Bumper not on to allow check for leaks. Both Bypass Valves were open at idle.(They were capped prior).
    Selenoids appear to be connected OK.
    System ECU should control open operation at a specified point based on programmed data from my understanding.
    I appear to be missing something!
    Input appreciated.
     
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  3. spider348

    spider348 Formula 3
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    Nov 3, 2003
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    John
    Sorry all. Came from a 355 where the bypass valve is closed until vacuum applied. A search on the forum shows the 360 and 430 are the opposite. Open until vacuum closes the valve. At start loud until vacuum closes the valves.
    ECU regulates vacuum level I assume.
    My understanding correct?
     
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  4. bisel

    bisel Formula 3

    Sep 12, 2012
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    Steve Bisel
    That is pretty much correct
     
  5. spider348

    spider348 Formula 3
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    Nov 3, 2003
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    John
    Thank You!
    Just need to verify the valves are adjusted properly. Install bumper and drive!
     

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