V8 Chevy G-Body Motor Mounts
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  1. #1
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    I need a pic of these, the all metal mounts. I already have the clamshell mounts. Doing a v6 231 to v8 350 swap in a 87 Monte Carlo and need to know what mounts to looks for. I heard that the Buick & Olds mounts are different than the Chevy. Anyone got a pic
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

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  3. #2
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    Originally posted by MonteMan@Jun 15 2005, 12:28 PM
    I need a pic of these, the all metal mounts. I already have the clamshell mounts. Doing a v6 231 to v8 350 swap in a 87 Monte Carlo and need to know what mounts to looks for. I heard that the Buick & Olds mounts are different than the Chevy. Anyone got a pic
    [snapback]3276682[/snapback]
    Yes the Olds mounts are rubber on the engine and metal on the frame rather then the opposite like on a chevy. Since the steel mounts aren't a wearable item, you can't get them from the parts store. You'll have to find a donar car or junk yard to supply them. Here's a pic for you.

    Attached Images Attached Images
    Uneasy lies the head that wears a crown

  4. #3
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    BTW, you can use any chevy v8 mounts off any year car/engine. The ones in the pic are from a caprice but I used them in my 79 grand prix (G body)
    Uneasy lies the head that wears a crown

  5. #4
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    Originally posted by Joe5pt0@Jun 15 2005, 12:03 PM
    Yes the Olds mounts are rubber on the engine and metal on the frame rather then the opposite like on a chevy. Since the steel mounts aren't a wearable item, you can't get them from the parts store. You'll have to find a donar car or junk yard to supply them. Here's a pic for you.
    [snapback]3276748[/snapback]
    Thanks so much......damn that makes it a bit harder than I thought. I was gonna find a car in the junkyard w/o a motor and walla right there. But I guess if the motor is gone, the likelihood of the mounts gone are high. Guess I need to bring a bottle jack to junk yard and lift up a motor
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  6. #5
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    Originally posted by MonteMan@Jun 15 2005, 01:23 PM
    Thanks so much......damn that makes it a bit harder than I thought. I was gonna find a car in the junkyard w/o a motor and walla right there. But I guess if the motor is gone, the likelihood of the mounts gone are high. Guess I need to bring a bottle jack to junk yard and lift up a motor
    [snapback]3276839[/snapback]
    I think that website you showed me is the best bet....not worth the $30 each to lay in the mud
    Uneasy lies the head that wears a crown

  7. #6
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    Found some more online like $10 for the pair and $10 shipping so $20

    They give me a part #
    PN is 14037875

    is that the one. Can anyone check the GM part # FOR ME
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  8. #7
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    Originally posted by MonteMan@Jun 15 2005, 06:28 PM
    Found some more online like $10 for the pair and $10 shipping so $20*

    They give me a part #
    PN is 14037875

    is that the one. Can anyone check the GM part # FOR ME
    [snapback]3277548[/snapback]
    i got mine from gm. way too much $$$. but ill check to see if i still ahve the part number somewhere later ...
    LiL's resident Cranky Muffuga.

  9. #8
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    Originally posted by Foompla@Jun 15 2005, 04:57 PM
    i got mine from gm.* way too much $$$.* but ill check to see if i still ahve the part number somewhere later ...
    [snapback]3277812[/snapback]

    Yah. post it up....I'm buying them tonight and would like to know
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  10. #9
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    Originally posted by MonteMan@Jun 16 2005, 03:09 PM
    Yah. post it up....I'm buying them tonight and would like to know
    [snapback]3281089[/snapback]
    the number stamped in it is : 14039436.

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  11. #10
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    Ok so I used the steel motor mounts on the engine block like in the picture above. I used the clamshell mounts on the frame. The frame is wrapped in 1/4 metal. and the end result is the motor sits way too high. As a matter of fact the top of the clamshell mount to frame holes won't even sit down far enough for the bolts to go into the frame. I need a much lower profile motor mount.

    Should I go with these.
    The short and wide version part # 3.1115

    then I have the scenario of finding the frame bracket. What g-bodies year and make came with 350? What does the stock mounting for 350 to g-body look like. The clamshell and the steel mount on the block above does not work- there is like a 4" gap between the oil pan and engine crossmember
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  12. #11
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    edit'
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  13. #12
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    The picture you have is of the old style chevy mount, you need a newer clamshell type mount. The steel engine mounts that are bolted to the engine, what are they off of? I assume they came with the LT1? If so just order up a corrosponding set of clamshells for whatever car the engine came in. You will have to weld the clamshells to the frame (or drill and bolt em in) since they wont line up with the original v6 holes, but its really no big deal to do.

  14. #13
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    Yeah you might have to make new holes or put the motor a little bit forward. I had to do that on my cutty, it had a 3.8 v6 in it and I installed a 350. Good luck homie

  15. #14
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    OK here's the pic
    Motor sits too high
    Help
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  16. #15
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    The numbers on the mount
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  17. #16
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    i like the frame

  18. #17
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    OK now I heard the 305 metal bracket that bolts to the motor connects/fits the clamshell style mount. Any truth to that and what's the measurements on it, lower profile than the one I got?

    Here's a sample pic of the measurements of one mount for reference


    On the mount I have:

    Bolt center width = 4"
    Height = 3 3/4"


    Clamshell width = 4"
    [quote]
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  19. #18
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    The gap between the oil pan and crossmember is now 3 1/2"

    If I go with this

    I will lower the mounts height from the motor 2" which will leave around 1 1/2" space. That would work probably. I just wanted a solid mount with the clamshell for its rigidity.
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

  20. #19
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    what i would do (if i knew anything) is cut off the ears of the metal mount and fab up some new ears at the right length.

    basically, moving the hole up.
    LiL's resident Cranky Muffuga.

  21. #20
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    Originally posted by Foompla@Jun 21 2005, 04:41 AM
    what i would do (if i knew anything)* is cut off the ears of the metal mount and fab up some new ears at the right length.

    basically, moving the hole up.
    [snapback]3300844[/snapback]

    Exactly what I thought last night. Thanks
    1987 Monte Carlo LS
    1964 Impala 2Dr HT

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