Block designation

Discussion in 'Technical' started by riporter, Sep 23, 2004.

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  1. riporter

    riporter Member

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    The new block I'm using on the rebuild is a 302 with a triple X stamped on each side of the block that looks like this...xXx...does anyone now what this designates. Actually its embossed not stamped. So it was part of the cast.
     
    riporter, Sep 23, 2004
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  2. mavman

    mavman Member

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    I've seen that too on a few blocks, and have never heard of anything good/bad about them. Seems pretty common.

    One of 'em is in my Mustang--so far so good (knock on wood!)
     
    mavman, Sep 23, 2004
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  3. PART-TIME

    PART-TIME Member

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    Triple X rated. Thats one bad block.:D
     
    PART-TIME, Sep 23, 2004
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  4. bmcdaniel

    bmcdaniel Senile Member Supporting Member

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    I think those are the ones Ford was going to melt down for scrap. Every once in awhile one slips by. :D
     
    bmcdaniel, Sep 23, 2004
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  5. riporter

    riporter Member

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    Well it is bare:D ...The block is out of a low mileage late 70's model F-150.
    After boiling and shot-peening if I didn't know better I'd swear it was new.
     
    riporter, Sep 23, 2004
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  6. riporter

    riporter Member

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    Barry that would be just my luck....I got the ONLY one that slipped by:cry:
     
    riporter, Sep 23, 2004
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  7. Rick Book

    Rick Book Member

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    If I'm not mistaken (I know. Like that ever happens!), the "xXx" indicates that it's a low mileage late 70's model F-150 block.

    You're welcome. Ho hum.


    ;)
     
    Rick Book, Sep 24, 2004
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  8. M.A.V.

    M.A.V. Yep,my real initials.

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    It means That no one under 18 is supposed to see that block ...EVER!
     
    M.A.V., Sep 24, 2004
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  9. Dan Starnes

    Dan Starnes Original owner

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    Yeah,, I have seen that on blocks,,, is a great mystery huh?
    Dan
     
    Dan Starnes, Sep 24, 2004
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  10. riporter

    riporter Member

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    Rick your brilliant...I never would've figured that out:D
     
    riporter, Sep 24, 2004
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  11. riporter

    riporter Member

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    I just thought it was out of the ordinary...no more 302 blocks than I've seen it could be very common...it's in rather large script so I thought it meant something.
     
    riporter, Sep 24, 2004
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  12. M.A.V.

    M.A.V. Yep,my real initials.

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    Actually I`ve seen several blocks with the XXX `s in the lifter valley,and I`ve seen it discussed on the Stangnet.com forums ...as far as anyone knows the X`s dont mean anything important.
     
    M.A.V., Sep 24, 2004
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  13. riporter

    riporter Member

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    not that it is, but what designates a Mexican block?
     
    riporter, Sep 24, 2004
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  14. M.A.V.

    M.A.V. Yep,my real initials.

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    I could try to explain the different things...But I would rather take pics of my wifes Mexican 302 Block thats on my engine stand right now.

    I`ll get some pics Saturday and post them along with pointing out the differences.
     
    M.A.V., Sep 24, 2004
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  15. M.A.V.

    M.A.V. Yep,my real initials.

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    OK here are the pics I took of the Mexican block. The words "Hencho En Mexico" are cast into the center of lifter Valley .
    The Mexican Main caps are thicker than the other 302`s .
    The front of the block (Driver side) has a Large lug (bump) cast into it.
    Finally the block ID number does not look like the other blocks...in other words ,it`s not the typical C908XXXXXXX or D2EAXXXXXXX.ect.
    Finally ,the Mexican blocks are said to have a Higher nickle content,thus making them stronger.
     
    Last edited: Sep 26, 2004
    M.A.V., Sep 26, 2004
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