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Thread: Another 506 bites the dust

  1. #1
    Join Date
    Jul 2020
    Location
    Montana
    Posts
    212

    Default Another 506 bites the dust

    This is my 3rd cracked 6.5. I had high hopes for this one but darn it! Thought I should share... Btw it was said to have 44,000 miles on it... Would not have known it was cracked unless the crank was out. Moving forward.





  2. #2
    Join Date
    Apr 2001
    Location
    CA
    Posts
    12,862

    Default

    No worries. That'll buff right out. J-B Weld if it doesn't.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  3. #3
    Join Date
    Apr 2001
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    CA
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    Default

    Which # and side was that? Can't tell from the pics.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  4. #4
    Join Date
    Oct 2001
    Location
    Granby, Missouri, USA
    Posts
    2,817

    Default

    Ouch! Now THAT'S a crack!

    Casey
    1995 K1500 Tahoe 2 door, 6.5LTD, NP241, 4L80E, 3.42's, 285/75R16 BFG K02's; Kennedy OPS harness, gauges, Quick Heat plugs, and TD-Max chip; Dtech FSD on FSD Cooler; vacuum pump deleted, Turbo Master, 3.5" Kennedy exhaust, F code intake, '97 air box; dual t/stats, HO water pump, Champion radiator; Racor fuel filter; 368K miles and running strong!

  5. #5
    Join Date
    Feb 2006
    Posts
    124

    Default

    That's just depressing as hell.

  6. #6
    Join Date
    Jul 2020
    Location
    Montana
    Posts
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    Default

    Quote Originally Posted by DmaxMaverick View Post
    No worries. That'll buff right out. J-B Weld if it doesn't.
    Bubble gum works best I hear! Lol!

    Quote Originally Posted by DmaxMaverick View Post
    Which # and side was that? Can't tell from the pics.
    I did not care to spend the brain power to count which one it was lol! Too depressed! It is already scrapped in the recycler.

  7. #7
    Join Date
    Apr 2001
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    CA
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    12,862

    Default

    Understood.

    If you're doing it right, the best bubble gum is J-B Weld. Just don't leave it on the bedpost overnight (loses its flavor).
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  8. #8
    Join Date
    Apr 2001
    Location
    Newberg Oregon
    Posts
    10,975

    Default

    That is exactly the same thing that happened to the engine in my old Dahooooley

    Looks to be the same location too.

    Large oil squirt holes and very sharp edges on everything.....A recipe for CRACKS.....

    So sorry to hear of this debacle......

    If it were me I would try to find an early 599 block (These are non squirt blocks)

    Actually with the poor luck you are having.....Have you considered one of the knock off's

    We have a couple of those still running around here....after several years...no issues.

    STAY AWAY FROM THE LATE 506 GM BLOCKS 1998-99-2000
    These had problems cracking the #8 cylinder at the top.

    The AMG BLOCKS are good.....
    The AMG blocks have a different Date code layout in the casting......

    2001 and later IIRC
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2007 Chevy Avalanche
    THIS IS BOW TIE COUNTRY

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