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Thread: cylinder bore size?

  1. #1
    Join Date
    Jan 2006

    cylinder bore size?

    what can a bowtie bbc be safely bored to without filling it?

  2. #2
    Senior Member DYNO OPERATOR
    Join Date
    Feb 2006
    VA Hospital, Dallas, Tx (214 302 1924) cell-972-464-7400
    All SB Bow Tie blocks are not the same from the beginning although they all use the same casting number. You really need to know which Bow Tie block you have or get it sonic tested.

    BB Chevy Bow Tie blocks they made three basic versions. The gen IV will bore to 4.560 and the Gen V and Gen VI will bore to 4.600

    " Let all things that hath breath, praise the Lord. Praise Ye the Lord" Psalms 150 vs 6.

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