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  • heat riser question

    i have an 87 442 that im trying to restore to close to original and factory as i can, previous owner removed the heat riser and i was wondering how to hook it up, does anyone have any pictures or diagrams? i know it goes onto the driver side manifold but isnt there a line on it and where does that line go to?

  • #2
    There is a metal vacuum hose that connects to a TVS via a small piece of rubber vacuum hose.
    The TVS is still available from GM and Rockauto.
    PNs:
    86-87 VIN9 14007803 or 212-72
    84-87 3055550
    83 3048786

    Hose diagrams:

    http://www.78-88olds.com/forum/showthread.php?t=297
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