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Technical Please help me identify this pulley...

Discussion in 'The Hokey Ass Message Board' started by Madmopars, Aug 19, 2025 at 9:58 PM.

  1. Madmopars
    Joined: May 16, 2025
    Posts: 5

    Madmopars

    20250819_155710~2.jpg Hey guys I have a BUNCH of pulleys I'm sorting through. This is the first that I'm a little stumped on and it won't be the last. I'll add to the thread as I come across others in hopes of figuring out what they fit.

    Today's mystery pulley is a single groove water pump pulley that is stamped "ECB-D", has a 5/8" Pilot, 1-3/4" center to center 4 bolt pattern, 7-1/4" O.D. and measures 2-5/16" from mounting surface to rear face. I believe it's for a Ford Y block but am not certain. Any of you guys know what it fits and what it's worth? I appreciate your guys help and hope that someday I can find a home for all these pulleys I've got sitting around. Thanks!
     
    Last edited: Aug 19, 2025 at 11:00 PM
    chryslerfan55 likes this.
  2. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,436

    gimpyshotrods
    ALLIANCE MEMBER

    I think 1955-56 Thunderbird.
     
    chryslerfan55 likes this.
  3. Madmopars
    Joined: May 16, 2025
    Posts: 5

    Madmopars

    I saw that one but when I search for a 55 T Bird water pump pulley, it shows what appears to be a two piece riveted example. I suppose engine size or accessory options may be the variable here if that's the case?
     
  4. patsurf
    Joined: Jan 18, 2018
    Posts: 2,260

    patsurf

    i think / guess that is water pump /gen. only with the crank driving the p/s off a second groove
     
  5. Rickybop
    Joined: May 23, 2008
    Posts: 10,531

    Rickybop
    Member

    The HAMB can actually identify a pulley?
    Man... that's pretty darn good.

    How'd you guys do it? Just by sight alone? Did you go by the number?
     
  6. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,436

    gimpyshotrods
    ALLIANCE MEMBER

    Vague memories from childhood.
     
  7. lostn51
    Joined: Jan 24, 2008
    Posts: 2,965

    lostn51
    ALLIANCE MEMBER
    from Tennessee

    That’s nothing, these guys can tell you what a rusted striped out bolt would go on and where it was used with torque specs if need be:D:D

    It’s the power of the HAMB
     
  8.  
    Joe Blow and williebill like this.
  9. squirrel
    Joined: Sep 23, 2004
    Posts: 59,313

    squirrel
    Member

    The Ford part number on the pulley from the mid 50s is the first clue...then just go searching the internets....

    To verify, it's handy to bring up old auctions on Bring-a-Trailer, as they usually have the best detailed pictures of old cars. Like this

    bird.jpg
     
    gimpyshotrods and 41 GMC K-18 like this.

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