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Thread: 454 marine engine questions
          
   
   

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  1. 11-28-2006 03:47 PM #13
    erik erikson's Avatar
    erik erikson
    erik erikson is offline CHR Member
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    Car Year, Make, Model: BLOWN 540 57 CHEVY
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    Quote Originally Posted by AdamB
    I have to bore the 454 30 over right, or 60 over to make the 496 stroker? And, since this is a marine engine, I heard it is a tall deck whatever that means. I am new to BBC's.
    To build the 489/496 you also have to add the 4.25 stroke crank.
    The 489/496 is built using the low deck 454 block.
    The low deck height is 9.80,the tall deck height is 10.20.
    Last edited by erik erikson; 11-28-2006 at 03:49 PM.
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