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Thread: 6.5 block manufacturing specs

  1. #1
    Join Date
    Feb 2012
    Location
    Pauline, SC
    Posts
    583

    Default 6.5 block manufacturing specs

    This may be a long shot but here goes ...

    I'm looking for bare block specs, ie, cam to crank center, crank center to deck measurement & angle, cylinder spacing, etc..

    I've searched and came up empty...

    Thanks, Chris
    1993 Chevy K3500

    owner - Twisted Steel Performance

    porting, ceramic & powder coating

    like us on Facebook

  2. #2
    Join Date
    Apr 2001
    Location
    Newberg Oregon
    Posts
    11,641

    Default

    My suggestion would be to scare up a block that has not been decked....get out the micrometers and measure things.

    Pretty easy to stuff a "spud" in both the cam bore and crank bore...Measure between them...do the math to get the CL/CL

    You can clamp a solid bar on the deck (bolt on) and mic that too.

    IF YOU DO IT....You can be sure you are not getting some BS story....REAL TIME....REAL NUMBERS


    Sounds like fun.

    Whatcha up to ???
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2007 Chevy Avalanche
    THIS IS BOW TIE COUNTRY

  3. #3
    Join Date
    Feb 2012
    Location
    Pauline, SC
    Posts
    583

    Default

    Yea I know that way of measuring it, just would like to find manufacturing specs if possible but I doubt it's possible..
    1993 Chevy K3500

    owner - Twisted Steel Performance

    porting, ceramic & powder coating

    like us on Facebook

  4. #4
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,305

    Default

    Unfortunately, it isn't a standard pattern block, like the SB/BB's. In your search, also look at the 6.2. It's the same, except for the bore. It's been around longer, so maybe somebody leaked a document. A machine shop that does serious blueprinting would know just about any of them, except probably this engine. It's free to ask, though. It has to be in a book, somewhere.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

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