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Engine block ID

Discussion in 'Wet behind the ears??' started by Rich Skylark, Aug 17, 2014.

Tags:
  1. Rich Skylark

    Rich Skylark Gold Level Contributor

    Trying to get origins of engine; on drivers rear of block has # 2550474 next to it is 5.7 Any help or insights welcomed.
     
  2. Smartin

    Smartin antiqueautomotiveservice.com Staff Member

    Photos always help. I don't think any vintage Buick engine would have a 5.7 cast into it.
     
  3. Rich Skylark

    Rich Skylark Gold Level Contributor

    Hope these photos help downloaded 3 in JPEG , my first post on your forum appreciate the quick reply!
     

    Attached Files:

  4. flynbuick

    flynbuick Guest

    Look on the step just behind the intake manifold with a flashlight.
     
  5. Rich Skylark

    Rich Skylark Gold Level Contributor

    [​IMG] This is what I can see on rear lip of intake
     
  6. ronbz455

    ronbz455 Big Butz Racing

    Well if it's like a big block it should be stamped to the left of the timing cover on the front of the block when looking at the front of engine block which is the passenger side. You will have to clean that area off to see it. I could look on my 350 block but I gave it to Mike to store it.
     
  7. ronbz455

    ronbz455 Big Butz Racing

    Let's try this.


    Block Cast #

    Year

    Displacement



    1193724

    61-63

    215



    1241748

    68-77

    350



    1349430

    62-65

    198



    1358435

    64-67

    225



    1374547

    64-67

    340



    1374557

    64-67

    340



    1381621

    64-67

    340



    1382201

    68-77

    350



    1396314

    64-67

    225



    1858435

    64-67

    225



    25504744

    75-77

    350



    366245

    75-77

    350



    3914678

    75-77

    350



    3932388

    75-77

    350



    3970010

    75-77

    350



    3970014

    75-77

    350



    63724

    61-63

    215
     
  8. Brad Conley

    Brad Conley RIP Staff Member

    I betcha that's a 350 :laugh::Brow:
     
  9. Rich Skylark

    Rich Skylark Gold Level Contributor

    Looking at the blk #s looking like a 1975 ish block carb intake look closer to 68: heads ? Can they be ID on car ?
     
  10. Smartin

    Smartin antiqueautomotiveservice.com Staff Member

    The head casting number is under the valve cover.
     
  11. Rich Skylark

    Rich Skylark Gold Level Contributor

    Pulled the covers off and doesn't look that bad. These are the numbers I could see.
     

    Attached Files:

  12. ronbz455

    ronbz455 Big Butz Racing

    My 77 heads have a long number on the area like you're showing but maybe on the other end.
     
  13. Rich Skylark

    Rich Skylark Gold Level Contributor

    Better light and tidy'd up a tad, what general direction should I be looking in?
     

    Attached Files:

  14. ronbz455

    ronbz455 Big Butz Racing

    The last pick what is that number?
     
  15. David Butts

    David Butts Gold Level Contributor

    Possibly a Jeep(Buick) Dauntless 350. They were called a 5.7's in some cases. Yours has the earlier style rocker arms and that would jibe with the years the engines were used in Jeeps.
     
  16. Rich Skylark

    Rich Skylark Gold Level Contributor

    Some more photos...any more #s on head itself I should be looking for ?
     

    Attached Files:

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