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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » Surprise surprise! C8AM-6015-B

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    9/07/2018 9:52 PM  #1

    mustangermike
    Administrator

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    From: Cleburne
    Registered: 4/13/2017
    Posts: 204

    Surprise surprise! C8AM-6015-B

    Curiosity got the best of me so I got up under the Mustang this afternoon and took a look at the engine casting number and found C8AM-6015-B.  And here I thought I had a plane Jane 289. The VIN says it had a 289 off the factory floor. I guess someone did a bit of upgrade at some point!

    Owner of MustangSteve - 1967 Mustang Coupe 302, 2005 Mustang GT
     

    9/08/2018 5:36 AM  #2

    Greg B
    Senior 24-7 FYI Addict

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    Registered: 4/01/2013
    Posts: 1,699

    Re: Surprise surprise! C8AM-6015-B

    I read somewhere a long time ago, that Ford used Mexican blocks as factory replacement engines for warranty repairs and such at dealerships.  Probably used what was available and cheap at the time.  
    Good block, though.  Basically Hipo spec.  With the thick main caps and higher nickel content and such.
     

    If multiple things can go wrong, the one that will go wrong will be the one that causes the most damage.
     

    9/08/2018 1:31 PM  #3

    BobE
    Senior 24-7 FYI Addict

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    From: White Plains, NY
    Registered: 4/04/2013
    Posts: 2,679

    Re: Surprise surprise! C8AM-6015-B

    I bought a 289 Hi-Po shortblock back in the early 1970's and stamped somewhere (lifter valley maybe) that it was Mexican made. 

    65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
     

    9/08/2018 5:01 PM  #4

    almcgee
    I FYI 24-7

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    From: Fairview, Texas
    Registered: 6/01/2013
    Posts: 783

    Re: Surprise surprise! C8AM-6015-B

    Are you driving it to the Bash?

    Mustang Steve Bash in Gruene, Texas September29-30, 2023
     

    9/08/2018 7:30 PM  #5

    mustangermike
    Administrator

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    From: Cleburne
    Registered: 4/13/2017
    Posts: 204

    Re: Surprise surprise! C8AM-6015-B

    I’m afraid not Al. I am working on the car again though.  I started back on the fuel lines earlier this week.  Got a fuel pump heading my way in the mail.  And I got some wheels for it too a few weeks ago.  Slowly but surely.

    Owner of MustangSteve - 1967 Mustang Coupe 302, 2005 Mustang GT
       •Thread Starter
     

    9/10/2018 10:22 AM  #6

    Huskinhano
    FYI Addict

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    Registered: 4/26/2017
    Posts: 279

    Re: Surprise surprise! C8AM-6015-B

    The Mexican blocks are not high nickel content. Just plain old 3rd world cast iron. That’s why they have heavier caps. That’s what I was told by someone I know who’s an engineer and worked on J Bittle’s race team. They sent out a sample for metallurgical testing.

    I'm not a complete idiot.....pieces are missing. Tom
     

     

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