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Technical What size motor would this be? 1955 Chrysler desoto

Discussion in 'The Hokey Ass Message Board' started by JD Miller, May 11, 2025.

  1. JD Miller
    Joined: Nov 12, 2011
    Posts: 2,611

    JD Miller
    Member

    Nevermind , looked it up, 291 cu in

    Bubba expert, must have took the valve cover etc of decades ago. Probably full of water
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    Last edited: May 11, 2025
  2. silent rick
    Joined: Nov 7, 2002
    Posts: 5,565

    silent rick
    Member

    291

    I have one in my 46 Ford
     
    Just Gary likes this.
  3. gene-koning
    Joined: Oct 28, 2016
    Posts: 5,250

    gene-koning
    Member

    That would be a 291 Desoto Hemi if the car is a Desoto. It would probably be a 330 Chrysler Hemi if its in a Chrysler car (assuming the motor is original to the car). Both the Desoto and the Chrysler had similar cars in 55. Dodge also had a similar car with its own Hemi motor (can't remember its cubic inch size).

    Its either a Chrysler or its a Desoto, it can't be both, and the Desoto Hemi and the Chrysler Hemi (and the Dodge Hemi) do not have any interchangeable parts.
     
    Sharpone likes this.
  4. 57Fury440
    Joined: Nov 2, 2020
    Posts: 433

    57Fury440
    Member

    I would think it is a DeSoto. It says Firedome on the fender. Looks to be original.
     
  5. gene-koning
    Joined: Oct 28, 2016
    Posts: 5,250

    gene-koning
    Member

    I enlarged it and still couldn't be sure what the emblem on the front fender said. Then I would have to remember what each division called the cars, and their motors.
    I knew that stuff too many years ago, its buried back in my mind someplace.
     
  6. silent rick
    Joined: Nov 7, 2002
    Posts: 5,565

    silent rick
    Member

    1954 was the last year for a (wet) intake for Chrysler, 1955 was first year for thermostat crossover between the heads. number in front of valley pan will start with S21 or S22 for a Desoto
     
  7. Stan Back
    Joined: Mar 9, 2007
    Posts: 2,609

    Stan Back
    Member
    from California

    The two-tone paint theme says DeSoto.
     
    51504bat likes this.
  8. 1952henry
    Joined: Jan 8, 2006
    Posts: 1,529

    1952henry
    Member

    One of life’s mysteries; you find an old car/pickup/truck, the hood may be up, for sure air cleaner is off, and more than half the time the rocker cover is off. Go figure…
     
  9. And all the windows are rolled down.
     
  10. 1952henry
    Joined: Jan 8, 2006
    Posts: 1,529

    1952henry
    Member

    That is correct, forgot that. I have a couple local boneyards I cruise now and again. I always close hoods. Come back, yep, hood up. Jackasses.
     

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