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Technical 1952 Dodge Truck Oil Filter Line Locations

Discussion in 'The Hokey Ass Message Board' started by 1rifleman, Oct 9, 2021.

  1. 1rifleman
    Joined: Feb 8, 2020
    Posts: 18

    1rifleman

    Good afternoon to all,

    Just purchased a 1952 Dodge half ton truck. For some reason, a previous owner decided that the oil filter housing and lines were no longer necessary. I think I can make a decent case that they are needed in everyday operation. There does not appear to be a line on the top of the head or there rear portion of the block. There is a fitting low on the block, near the vent tube, but it appears that hard line is routed to the pressure gauge on the dash. I think the oil line to the filter would be bigger. If anyone has solved this issue, I could really use the assist. Many thanks. Dan
     
  2. Rusty O'Toole
    Joined: Sep 17, 2006
    Posts: 9,744

    Rusty O'Toole
    Member

  3. 56C3B6
    Joined: Mar 2, 2010
    Posts: 51

    56C3B6
    Member
    from central NY

    image0.jpeg image1.jpeg
    This is a '47 truck block in my '56 but I think it would be the same.
     
    loudbang and firstinsteele like this.
  4. 1rifleman
    Joined: Feb 8, 2020
    Posts: 18

    1rifleman

  5. 1rifleman
    Joined: Feb 8, 2020
    Posts: 18

    1rifleman

    Hi Rusty -- I have another question. While removing all the steel plug on the left side of this truck, I came across a small steel plug adjacent to the spark plug for #6 cylinder. Looks to be in the same cooling channel as the temperature sending unit. A standard 1/8" pipe plug will not into the hole - Do you know what size/thread pitch goes into the hole? Thanks again.
     
  6. 1rifleman
    Joined: Feb 8, 2020
    Posts: 18

    1rifleman

    I see what appears to be a copper plug near the inlet/outlet holes for the oil filter lines. My truck has a short tube in that space, much like a another oil dipstick. 1) is that just a press-in tube? 2) what size plug did you use on your truck? Thanks.
     
  7. Rusty O'Toole
    Joined: Sep 17, 2006
    Posts: 9,744

    Rusty O'Toole
    Member

    There is a small pipe plug above the piston of the #6 cylinder. It is used for finding top dead center and timing the engine. You can take out the plug and drop a screwdriver down the hole and feel when the piston is at TDC. Since #1 and #6 piston rise and fall together this tells you when #1 is at TDC. I think it is a 1/4" pipe plug.

    Could you be looking at the bolt holes on the side of the head used for bolting on the oil filter?
     
  8. 56C3B6
    Joined: Mar 2, 2010
    Posts: 51

    56C3B6
    Member
    from central NY

    If I remember correctly, at some point, possibly when they went from B series to C series trucks the oil pans went from rear sump to front sump. The threaded plug was where the original dipstick was for the rear sump pan. My truck being a C series needed the front sump oil pan which has the dipstick tube mounted to the side of the pan. Hence I believe I unscrewed the unused dipstick tube and put a plug in there. My memory is a little vague on all that , going back almost 20 years.
     
  9. 1rifleman
    Joined: Feb 8, 2020
    Posts: 18

    1rifleman

    I am working on the pipe plug, but judging from the size, I think it may be 1/8" pipe.

    My next question is finding a replacement for the hot water outlet adjacent to cylinder #6. I can see it in one overhead engine picture in my shop manual, but I am unable to get the correct part name to search for a replacement.
    Could you please give me a leg up on that one, too? Many thanks.
     
  10. 1rifleman
    Joined: Feb 8, 2020
    Posts: 18

    1rifleman

    It is a little strange - my engine has both tubes. The rear most tube is actually open. It is not causing any problems that I can determine, but I don't like it let open. I can make a plug but wanted to ask about anything more substantial. Thanks.
     
  11. 56C3B6
    Joined: Mar 2, 2010
    Posts: 51

    56C3B6
    Member
    from central NY

    Try Roberts motor parts or Andy Bernbaum for Heater shut off valve.
    Did someone switch the oil pan?
     

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