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Thread: Motor mount position?

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  1. #1
    Join Date
    Feb 2004
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    100
    Ok, I am trying to stab the engine in the frame (have the cab in place). I have the S&P plates. Pointed end towards the front, and the studs on the top, Is this the correct position? It seems like the engine is too far back, and I couldn't get it into place w/ the mounts where they are.

    If I flip them over the stands hit the manifold on the drivers side and the strter bolt on the pass. side.
    '91 chev. Reg. Cab SB. Frame off, escalade clip, ART F&R susp., SSBC rear disks, SSBC Force 10 front kit, Auburn LSD, '00 LS1 and 4l60e. Almost all done!

    http://s57.photobucket.com/albums/g220/98hd/Chev/

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
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    20,540
    Was your previous engine V6 or V8?

    Check this out... Nitrous' install
    Check this out... Nitrous' install
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Feb 2004
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    100
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Mar 22 2006, 12&#58;22 PM) [snapback]47767[/snapback]</div>
    Was your previous engine V6 or V8?

    Check this out... Nitrous&#39; install
    Check this out... Nitrous&#39; install
    [/b]

    The frame was a V6, but I removed those mounts and got some from a V8 along with V8 stands.

    I got the mounts right now, but a new problem has arised. I cannot get the mounts down so the holes line up. The ears on the stand hang up on the metal tabs sticking out from the frame mounts.
    &#39;91 chev. Reg. Cab SB. Frame off, escalade clip, ART F&R susp., SSBC rear disks, SSBC Force 10 front kit, Auburn LSD, &#39;00 LS1 and 4l60e. Almost all done&#33;

    http://s57.photobucket.com/albums/g220/98hd/Chev/

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
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    20,540
    take some pics of what you&#39;re talking about. Your V8 mounts should bolt directly to the crossmember and then the engine mount cups should slide right over them when you install the engine.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    Feb 2004
    Posts
    100
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Mar 22 2006, 12&#58;50 PM) [snapback]47769[/snapback]</div>
    take some pics of what you&#39;re talking about. Your V8 mounts should bolt directly to the crossmember and then the engine mount cups should slide right over them when you install the engine.
    [/b]

    The last 3 pics are the mounts. Drivers side ones are hard to see.

    http://www.cardomain.com/ride/351113/2

    It&#39;s close, but just dosen&#39;t want to go all the way.

    It&#39;s almost as if the mounts are set too wide apart to fit. They hit on the built in metal piece that sticks out on the top of the poly mount on the frame.

    I&#39;m using the stock spacer behind the stands on the engine, as the stands have a bulge and need the spacer to sit flat against the S&P adapter.

    The frame side mounts do bolt right to the frame, and I have the v8 stands.
    &#39;91 chev. Reg. Cab SB. Frame off, escalade clip, ART F&R susp., SSBC rear disks, SSBC Force 10 front kit, Auburn LSD, &#39;00 LS1 and 4l60e. Almost all done&#33;

    http://s57.photobucket.com/albums/g220/98hd/Chev/

  6. #6
    Join Date
    May 2004
    Posts
    2,120
    98hd, I know what you&#39;re talking about. Take and loosen the frame mounts. This will let them move into position where your 4" "through bolt" holes will line up. Then you&#39;ll have to drive them through easy with a hammer. Once you get everything lined up, mark the frame mount position on the frame or just tighten them up.

    Hope this helps.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  7. #7
    Join Date
    Nov 2003
    Location
    Denton Texas
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    take the mounts off the engine and cut or grind the humps off the reciever cups to pull them closer together. That bump that hits the mount plate screws up the distance between the mount holes. Don&#39;t put spacers or washers between the mount cups and the S&P adapters.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  8. #8
    Join Date
    Feb 2004
    Posts
    100
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Mar 22 2006, 03&#58;10 PM) [snapback]47783[/snapback]</div>
    take the mounts off the engine and cut or grind the humps off the reciever cups to pull them closer together. That bump that hits the mount plate screws up the distance between the mount holes. Don&#39;t put spacers or washers between the mount cups and the S&P adapters.
    [/b]

    Ok, thanks I&#39;ll Try that.

    Also, should my manifold outlet on the pass. side be hitting the upper rear control arm mount? Engine is a 2000 LS1 if that matters.
    &#39;91 chev. Reg. Cab SB. Frame off, escalade clip, ART F&R susp., SSBC rear disks, SSBC Force 10 front kit, Auburn LSD, &#39;00 LS1 and 4l60e. Almost all done&#33;

    http://s57.photobucket.com/albums/g220/98hd/Chev/

  9. #9
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Nope, should not be an issue, though I have the 98 sheetmetal manifolds. I had truck exhausts on my other engine and it wasn&#39;t an issue there, either.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  10. #10
    Join Date
    Feb 2004
    Posts
    100
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Mar 22 2006, 04&#58;06 PM) [snapback]47795[/snapback]</div>
    Nope, should not be an issue, though I have the 98 sheetmetal manifolds. I had truck exhausts on my other engine and it wasn&#39;t an issue there, either.
    [/b]

    Well, the mounts are closer to sliding over now that I removed the spacers and cut out the humps, but still not enought.

    Also, my exhaust manifold is still hitting in that location. Something isn&#39;t quite right I think, or my manifolds just won&#39;t work or something.
    &#39;91 chev. Reg. Cab SB. Frame off, escalade clip, ART F&R susp., SSBC rear disks, SSBC Force 10 front kit, Auburn LSD, &#39;00 LS1 and 4l60e. Almost all done&#33;

    http://s57.photobucket.com/albums/g220/98hd/Chev/

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