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  1. Corey 78K5

    Corey 78K5 1 ton status

    Joined:
    Feb 17, 2000
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    Location:
    Humboldt County, CA
    I just got a 454. I am told it came out of a motor home the code on the passenger cylinder head is T7Z504321. If anyone knows for sure what I have that would be cool any info would be helpfull.
    Corey78K5
     
  2. POWERMAD

    POWERMAD 1/2 ton status

    Joined:
    Mar 4, 2001
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    Location:
    Oregon
    That # is not crossing with anything I have.
    Where did you get it?
    Most likely since it came off a moterhome it is gonna have peanut port heads.
    go to <a target="_blank" href=http://www.mortec.com>www.mortec.com</a>
    That site will tell you where to find the casting #'s you will need to figure out what you have.
    Also being that it was in a moterhome it will have the oil cooler fittings on it. which is nice to have.

    <font color=green> Too bad ignorance isn't painful </font color=green>
     
  3. dyeager535

    dyeager535 1 ton status Premium Member

    Joined:
    Dec 13, 2000
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    Location:
    Roy WA
    Looks to me like you found the partial VIN of the vehicle it came out of. Look for the suffix code (front passenger side of the block, just next to where the head mounts to the block)or the casting number off the back. Suffix code is much better, it will tell you exact application and HP.

    http://www.dorianyeager.com/index2.html
    No anti-theft measures on your truck? No pity when its stolen
     

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