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Thread: SHORT FILL SBC

  1. #1
    Junior Member JOURNEYMAN
    Join Date
    Nov 2007
    Posts
    28

    SHORT FILL SBC

    I am building a 383 chevy 600+hp and 250 shot block has been completely gone over and 4 bolt main and machined for main straps. My question is do I need to short fill the block and how do I go about it. The car will be driven on street once in while.

  2. #2
    Senior Member DYNO TECH
    Join Date
    Feb 2004
    Location
    Leonard, Texas
    Posts
    414
    If your driving it on the street at all do not use block filler!
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  3. #3
    Senior Member MASTER BUILDER
    Join Date
    Apr 2003
    Location
    Brookings South Dakota
    Posts
    244
    Fill the block up to the bottom of the frost plug holes on the side of the block.
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  4. #4
    Senior Member RACING JUNKIE
    Join Date
    Sep 2007
    Location
    Belleville, IL
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    658
    Quote Originally Posted by cncmotorsports
    Fill the block up to the bottom of the frost plug holes on the side of the block.
    +1...

    Make sure you do one side at a time and level the deck before filling.

    You will also want to do this before you have the block bored/honed. Once the filler cures, it can slightly distort the bore.

  5. #5
    Senior Member EXPERT BUILDER
    Join Date
    Nov 2003
    Location
    NORTHEAST
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    290

    Re: SHORT FILL SBC

    Quote Originally Posted by HUNTER39
    I am building a 383 chevy 600+hp and 250 shot block has been completely gone over and 4 bolt main and machined for main straps. My question is do I need to short fill the block and how do I go about it. The car will be driven on street once in while.
    At 600 horse you should use splayed caps as the splayed caps go out into the pan rails instead of putting all the strain on just the webbing of the mains.
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