SOLD Mopar Electronic Vacuum Advance Unit 1970-1 383 440 Cubic Inch HP Engines

Mopar Mechanical Parts For Sale

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  1. halifaxhops

    halifaxhops Well-Known Member

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    Mopar Vacuum Advance Unit 1970-1 383 440 Cubic Inch HP Engines PN 3438262, possibly NOS does not look like it was ever mounted. Asking $100 and the ride also open to offers.

    DSC01494.JPG DSC01495.JPG
     
  2. Wollfen

    Wollfen Old Man with a Hat

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    I'm curious to know what this vacuum advance unit does over the standard one? How does it work?
     
  3. 70bigblockdodge

    70bigblockdodge Old Man with a Hat FCBO Gold Member

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    I think it delays vacuum or makes it drop off quicker to prevent pinging/detonation to prevent superheating the exhaust and therefore reducing NOX gasses.
     
  4. Turboomni

    Turboomni Senior Member FCBO Gold Member

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    This is the vacuum canister I removed from my old dizzy to replace the defective one on my new Cardone rebuilt one. The electrical connection was never and still isn't hooked up. It seems to work fine. No number was stamped on the new one but I am looking for a standard type like this that is not electronic for my 71 440.
    I wouldn't mind a Mopar distributor cap and rotor too.
     
  5. halifaxhops

    halifaxhops Well-Known Member

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    It actually will put a bit of retarded vacuum into the dist when it is full advanced, What is the 71 a at/mt? Prob have one, cap and rotor I have some really good used ones also, a few different styles of the,.
     
  6. halifaxhops

    halifaxhops Well-Known Member

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    I found a used one marked 9.5L, I have plenty of good used caps and rotors.
     
  7. Turboomni

    Turboomni Senior Member FCBO Gold Member

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    Yes please. I will PM you tonight. Thanks.
     
  8. halifaxhops

    halifaxhops Well-Known Member

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    Here are the pics.
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