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Thread: SBC: Is this a good block for my project?

  1. #1

    SBC: Is this a good block for my project?

    Planning a 383. Found a std 350 block, casting #3970010. 010 and 020 casting numbers are also on the block. Supposedly it's a "high nickel block". At this point, max hp for my engine would be 400-500. Is this indeed a high nickel block, and would it be good for my project? Thanks for your opinion.

  2. #2
    Senior Member DYNO OPERATOR
    Join Date
    Feb 2009
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    510
    Yes, use it.

  3. #3
    Senior Member EXPERT BUILDER
    Join Date
    Nov 2003
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    Re: SBC: Is this a good block for my project?

    Quote Originally Posted by visualsmoke
    Planning a 383. Found a std 350 block, casting #3970010. 010 and 020 casting numbers are also on the block. Supposedly it's a "high nickel block". At this point, max hp for my engine would be 400-500. Is this indeed a high nickel block, and would it be good for my project? Thanks for your opinion.
    Sonic test and mag and if its got the 2482 center caps GM rates those blocks at 450 horse.
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