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Canadian car identification here: Serial Numbers 1935-1964 | 1965-1966
and more information in the reference section here.
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Thread: Need help with codes

  1. #1
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    Need help with codes

    Iím needing help decoding the Skylark is just bought. Here are the codes I havenít found:
    MK221
    T
    BF4928
    C14
    C60
    J50
    N40
    U73
    RRR
    I do know itís a 401 GS, but as of yet I havenít confirmed if itís numbers matching. Thanks for the help!

  2. #2
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    It would be helpful if we knew where these codes are coming from (POP, buildsheet, trim tag, etc.) and to get a picture.


    MK221
    T
    BF4928
    C14
    C60
    J50
    N40
    U73
    RRR




    MK221
    this looks like the transmission code, would need to see a picture because there is either a misstamp or you read it wrong/made a typo because in 1965 the transmission code NK was for ST300 automatic for 401 V8, Skylark GS


    221 would be the build date code




    T
    if this is from the POP then it would be the build month, T = June 1965


    BF4928
    BF = built at Fremont, CA
    4958 = body number
    this could be found on either the POP, buildsheet, or the trim tag under the hood


    C14 = Windshield Washer and Dual Speed Wipers
    C60 = Air Conditioning
    J50 = Power Brakes
    N40 = Power Steering
    U73 are you sure this is correct? it could be U63 = Radio - Sonomatic


    RRR, not an option code, would need to see a picture to decode but probably the paint code for solid Flame Red
    Sean Smith
    BCA# 42746
    MBCC# 2122
    SAH# 4186
    Buickman Award 2015

    1957 Special 4-door Riviera (hardtop) model 43

  3. #3
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    Thanks for all the help! I did get those numbers from the POP. And it appears the ďMK221Ē is correct. Could it be a mistake on the POP? I will upload a pic when Iím able. I really appreciate this information. This is my first classic car, it great having this kind of community.

  4. #4
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    Here is the POP, I did mistype the "U63".
    Attached Images Attached Images

  5. #5
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    POP information
    Attached Images Attached Images
    Newbie to the world of classic cars and Buicks

  6. #6
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    Quote Originally Posted by 1965SkylarkGS View Post
    Thanks for all the help! I did get those numbers from the POP. And it appears the ďMK221Ē is correct. Could it be a mistake on the POP? I will upload a pic when Iím able. I really appreciate this information. This is my first classic car, it great having this kind of community.

    I think it is probably just a mistake on the POP, definitely not the first one I've seen. You can always check to see what is actually stamped on the transmission. Here is a link from the 1966 chassis service manual that shows were to find the numbers:

    https://www.teambuick.com/reference/...files/74-a.php
    Attached Images Attached Images
    Sean Smith
    BCA# 42746
    MBCC# 2122
    SAH# 4186
    Buickman Award 2015

    1957 Special 4-door Riviera (hardtop) model 43

  7. #7
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    Great, thanks again!
    Newbie to the world of classic cars and Buicks

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