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Thread: Shim stock for front motor mounts

  1. #1
    Join Date
    Nov 2009
    Location
    Baltimore, Maryland
    Posts
    76

    Default Shim stock for front motor mounts

    Can anyone point me in the right direction to buy some shim stock for the front left motor mount on my knucklehead? I read the stories of guys using beer cans but I am sure someone out there is selling it specifically for this application. Thanks
    Eric Hitzel
    AMCA 14954

  2. #2
    Join Date
    Apr 2003
    Location
    Seaford, NY
    Posts
    374

    Default

    First use a feeler gauge to determine what shim thickness you need. This company has many shims available. They also have them in stainless steel.
    http://www.mcmaster.com/#standard-shims/=tjo8rg

  3. #3
    Join Date
    Apr 2010
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    1,112

    Default

    Stainless meeting aluminium can be dissimilar metal problem-corrosion results
    when used that way on aircraft barrier cream is used between the metals

  4. #4
    Join Date
    Jul 2008
    Location
    North Carolina
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    642

    Default

    I agree dissimilar metals can have a galvanic reaction and have experienced it within the electrical industry. However, I wondered with steel frames and sand cast aluminum cases, did the MoCo treat or coat hardware/shims/frames/cases to prevent a galvanic reaction? My concern coating parts is the potential reduction or elimination of ground continuity which is needed for circuit breakers, etc. Just my 2 cents and wondered what others have experienced.
    William Edwards, AMCA #10035

    Attend the 2019 Southern National Meet at Denton Farmpark, NC, 17-18 May 2019
    http://www.amcasouthernnationalmeet.com/

  5. #5
    Join Date
    Jan 2003
    Location
    England
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    1,312

    Default

    I use a feeler gauge to find the required thickness, then cut off that piece of feeler gauge and use it as a shim. OK, I have a couple of incomplete sets of thickness gauges now...

  6. #6
    Join Date
    Mar 2011
    Location
    PA
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    223

    Default

    There are premade kits like this available on EBAY. I did the same thing with beer cans. Now I use steel shims...round washer type.

    http://www.ebay.com/itm/Harley-Motor...-/251442449525

  7. #7
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    Jul 2008
    Location
    North Carolina
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    I've seen that set on ebay. I didn't like all the colors! I've ordered varying thickness stainless feeler gage stock (0.002 to 0.025 x 1" wide x 12" long) from Eastern Industries Corp (http://www.easterngage.com/) in Berlin, CT. Great product and good customer service!
    William Edwards, AMCA #10035

    Attend the 2019 Southern National Meet at Denton Farmpark, NC, 17-18 May 2019
    http://www.amcasouthernnationalmeet.com/

  8. #8
    Join Date
    Mar 2011
    Location
    PA
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    Default

    yeah the colors threw me too. It appears they use them to indicate different thicknesses. I've never used them but the original comment was "someone out there is selling it specifically for this application". I would imagine you could trim them so the colors were not visible.

  9. #9
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    Jul 2008
    Location
    North Carolina
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    Default

    Agreed and that set will work. I think the colored set would have more appeal if left plain stainless with the thickness printed (similar to craftsman newer sockets) on the shims. Just my 2 cents!
    William Edwards, AMCA #10035

    Attend the 2019 Southern National Meet at Denton Farmpark, NC, 17-18 May 2019
    http://www.amcasouthernnationalmeet.com/

  10. #10
    Join Date
    Nov 2008
    Location
    Virginia
    Posts
    489

    Default

    Those look like front end alignment shims to me but just color coded. You should be able to get them at an auto parts store that supplies the local alignment shop or at the alignment shop itself and not colored coded.

    Tom (Rollo) Hardy
    AMCA # 12766

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