black vacuum box

Posted by OZgsJames, Feb 29, 2012

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  1. OZgsJames

    OZgsJames Proven Member

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    Joined Aug 13, 2011
    Rockland, New York
    HELP
    mounted my rebuilt 420a the other day and in the the rush of getting it done, i forgot to bolt the small black box with vaccume lines that run into it, now with very little room to get behind the motor (decent amount underneath though), I cant seem to find where it bolts up. And i cant find it on alldata because idk what its called.
    If someone could get me a diagram or picture of where it bolts up on the firewall, that would be greatly appreciated.
     

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  2. bullettdsm

    bullettdsm N/T DSM Wiseman

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    Joined Dec 17, 2004
    East Hampton, Connecticut
    Its for your cruise control. There should be two studs screwed into the back of the block, that where it gets put on with two 13 mm(?) nuts.

    MB
     
  3. xcasbonx

    xcasbonx Proven Member

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    Joined Oct 10, 2011
    Plymouth, Indiana
    The box is not a necessity. Just re route the vacuum line from the cruise vacuum servo and you should be good to go.

    I pulled my intake manifold last summer to install a phenolic spacer and I didn't bother re-installing the box...and to my surprise my cruise control still works fine.
     
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  4. Fotowntalon

    Fotowntalon Proven Member

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    Fostoria, Ohio
    That little black box is more trouble than its worth imo. I'd remove it, but then again I have eliminated my cruise control. Weight savings FTW!!!!
     
  5. OZgsJames

    OZgsJames Proven Member

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    Joined Aug 13, 2011
    Rockland, New York
    A plastic box gets bolted to the engine block? Tht dnt seem right
     
  6. Josh97eclipse

    Josh97eclipse Proven Member

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    Joined Feb 14, 2011
    N. Ridgeville, Ohio
    Dont even bother putting it back on, I also deleted cruise........its useless
     
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  7. OZgsJames

    OZgsJames Proven Member

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    Rockland, New York
    i plan on doing long trips in this thing. I want cruise
     
  8. 2GCruiser

    2GCruiser Proven Member

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    Joined Apr 4, 2011
    East Bethel, Minnesota
    If it is the cruise control you're talking about he meant it gets bolted to the firewall in the passengercorner
     
  9. 1g8420a

    1g8420a Awaiting Email Verification

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    Fort Riley, Kansas
    On the box there is one bolt hole on the top. On the bottom there is 2. The bottom two holes bolt to the block. The one hole faces up top and bolts to the intake manifold and yes 13 mil.
     
  10. 2GCruiser

    2GCruiser Proven Member

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    Joined Apr 4, 2011
    East Bethel, Minnesota
    Ignore this I thought you wanted to know where the Cruisecontrol mounted. The box your talking about mounts right under the intake manifold stays. I'm actually pretty sure it's 14 mil but I could be wrong. Like said above its one bolt on top 2 on bottom
     
  11. Alan11

    Alan11 Proven Member

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    Joined Apr 30, 2010
    El Paso, Texas
    It bolts up to the two brackest attached to the block and intake manifold..
     
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  12. OZgsJames

    OZgsJames Proven Member

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    Joined Aug 13, 2011
    Rockland, New York
    thanks guys!
     
  13. Josh97eclipse

    Josh97eclipse Proven Member

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    Joined Feb 14, 2011
    N. Ridgeville, Ohio
    Still cruise is useless.
     
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