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Thread: Casting number help!!!

  1. #1
    ghetto star Tukin15sLike20s's Avatar
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    Casting number help!!!

    Just picked up a new motor and I can't find the casting number on Mortec or Nasty Z28. The number is 3956616 and the closest thing I can find is 3956618. Anyone able to help me?
    1990 S10 - Bagged - Shaved - SFBD'd

  2. #2
    Senior Member 00Blazer's Avatar
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    does it also have this cast into it near the casting number A318?

    if so it could be one of 3 engines 302 327 or a 350. all used a 350 block with a 4 inch bore

  3. #3
    ghetto star Tukin15sLike20s's Avatar
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    ok never mind I found it
    1990 S10 - Bagged - Shaved - SFBD'd

  4. #4
    ghetto star Tukin15sLike20s's Avatar
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    Originally posted by 00Blazer
    does it also have this cast into it near the casting number A318?

    if so it could be one of 3 engines 302 327 or a 350. all used a 350 block with a 4 inch bore
    yeah thats about all I got too so Im going to remove the oil pan and check to see if it is 4 or a 2 bolt
    1990 S10 - Bagged - Shaved - SFBD'd

  5. #5
    ghetto star Tukin15sLike20s's Avatar
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    Also it looks like the heads are 64cc camel humps :D
    1990 S10 - Bagged - Shaved - SFBD'd

  6. #6
    Senior Member 00Blazer's Avatar
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    461x's? i had those on my 383 for awhile good heads and will flow pretty good if ported

  7. #7
    ghetto star Tukin15sLike20s's Avatar
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    nah they arent the 461x's but they are the humps lol
    1990 S10 - Bagged - Shaved - SFBD'd

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