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Technical Looking to reverse an MCF oil filter conversion

Discussion in 'Traditional Hot Rods' started by Sidevalvesteve, Oct 6, 2022.

  1. Sidevalvesteve
    Joined: Jun 9, 2009
    Posts: 5

    Sidevalvesteve
    Member
    from Tennessee

    Would anybody have the installation directions for a MCF Flathead Oil Filter modification? I have one of these on a motor that lost oil pressure while running and want to revert back to the original style pump. I can see that it requires replacing the pump but I am trying to figure out where the oil passages were plugged or drilled out to run this.
     
  2. 19Fordy
    Joined: May 17, 2003
    Posts: 8,210

    19Fordy
    Member

    Last edited: Oct 6, 2022
  3. Sidevalvesteve
    Joined: Jun 9, 2009
    Posts: 5

    Sidevalvesteve
    Member
    from Tennessee

    Thanks
    Appreciate the help. It appears the block is not modified so I can reverse the changes just by replacing the oil pump.
     
  4. Make certain the rear oil passage from the original oil pump has not been plugged off .
    Otherwise the new factory style pump will not be able feed oil correctly.
    Look inside the block at the vertical and horizontal holes to make certain a plug hasn’t been installed .
    Better to be safe then sorry .
    If you have any pics,,that will help too .

    This is an example of what I’m talking about,,,,,,the oil passages connect at this point,,,,,vertical and horizontal .
    If blocked off ,,,the horizontal will have a plug inserted at this point .

    Tommy

    9BE210D3-8FAF-480B-B4F1-4F64E74541C2.jpeg 94BEC7BE-EAD3-48A4-80FC-52992E11316E.jpeg
     
    Last edited: Oct 8, 2022
    rusty valley and sidevalve8ba like this.
  5. Sidevalvesteve
    Joined: Jun 9, 2009
    Posts: 5

    Sidevalvesteve
    Member
    from Tennessee

    I took some pictures and there appears to be no plug. The small bung is for an oil pressure gauge and the other runs to the filter base.
     

    Attached Files:

    Desoto291Hemi likes this.
  6. Sidevalvesteve
    Joined: Jun 9, 2009
    Posts: 5

    Sidevalvesteve
    Member
    from Tennessee

    I checked to see if the drive gear on the cam may have sheared a key/spins but it all appears to work and the gear does not rotate free on the cam end.
    I also checked the pan and there is not really much metal or trash I would expect from a spun bearing.
    It also occurs to me to try to cut the oil filter apart as there may be more metal in it?
     

    Attached Files:

    Desoto291Hemi likes this.
  7. Looks good,,,,,you should be good to go !

    Tommy
     

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