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LS1 block casting number

This is a discussion on LS1 block casting number within the General Help forums, part of the LSx Technical Help Section category; I just looked at my block casting number from blown engine and it is 12550292 and I cant find that ...

  1. #1
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    1998 formula trans am

    LS1 block casting number

    I just looked at my block casting number from blown engine and it is 12550292 and I cant find that number in any of the online casting info sites. Does anybody here have any info on that number? Thanks

  2. #2
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    1998 formula trans am

    Quote Originally Posted by sjd73ss View Post
    I just looked at my block casting number from blown engine and it is 12550292 and I cant find that number in any of the online casting info sites. Does anybody here have any info on that number? Thanks
    Whoops I looked again and its 12550592 and thats a 97 up block

  3. #3
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    2000 Formula Ram-Air

    lol it happens , glad you were able to solve your problem

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