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Hot Rods Vintage air cleaner to later carb

Discussion in 'The Hokey Ass Message Board' started by lcfman, Jul 4, 2025.

  1. lcfman
    Joined: Sep 1, 2009
    Posts: 457

    lcfman
    Member
    from tn

    I want to convert my 57 chev 4 barrel air cleaner (4 1/4) opening to a quadrajet carb (5 1/8) opening . I have researched on line but nothing I really think will work. I sure members have done this type of adaptation. Any suggestions welcome.
     
  2. pprather
    Joined: Jan 10, 2007
    Posts: 9,005

    pprather
    Member

    warbird1 and i.rant like this.
  3. Clydesdale
    Joined: Jun 22, 2021
    Posts: 424

    Clydesdale
    ALLIANCE MEMBER

    Make it fit?

    Nothing more traditional than making something instead of buying **** from a catalogue.
     
  4. chevy57dude
    Joined: Dec 10, 2007
    Posts: 9,709

    chevy57dude
    ALLIANCE MEMBER

    20250704_111155.jpg Find a stock air cleaner, man I've tossed out so many! Cut out the bottom ring & weld it to the '57 unit. I always liked how Q jet air cleaners had a ''pinch'' at the front of the adapter ring to keep it from rotating.
     
    Last edited: Jul 4, 2025
  5. i.rant
    Joined: Nov 23, 2009
    Posts: 4,784

    i.rant
    ALLIANCE MEMBER

    I’ve made a couple of them…… IMG_0182.jpeg IMG_0181.jpeg
     
    Deuces, High test 63, lostn51 and 6 others like this.
  6. Reminds me I've intended to adapt my original 235 ***embly to later carbs
     
  7. 325w
    Joined: Feb 18, 2008
    Posts: 6,508

    325w
    ALLIANCE MEMBER

    Cut the oil bath stuff out. Use a correct size after market base. Looks better than using a 4 inch spacer. In my opinion. Have one on my coupe now. Find the correct paper filter to fit. May have to try a couple for dia an height
     
  8. High test 63
    Joined: May 8, 2020
    Posts: 558

    High test 63
    Member

    I love the top one and the paint work you've done to it. I'm currently in the process of planning my move to adapt that exact one to my Holley 600 vacuum 4bl. I have an old 4bl base im going to adapt to it after i cut the bottom out.
     
  9. lostn51
    Joined: Jan 24, 2008
    Posts: 3,403

    lostn51
    ALLIANCE MEMBER
    from Tennessee

    I need to hack up one of my oil bath air cleaners to make it fit a 4bl I’m going to be running on my flattie. I was going to take an old 14” aftermarket filter and cut the hole out of it but I like the use OEM base instead.
     
  10. I cut a cheap chrome air cleaner bottom to mount an old air cleaner
    Removed the oil bath ****. Took the air cleaner to the parts store and found a paper element.

    super Ez

    whack and weld
     
    lostn51, Toms Dogs and captaintaytay like this.
  11. 1pickup
    Joined: Feb 20, 2011
    Posts: 1,866

    1pickup
    Member

    Cut the bottom off one that fits the carb and weld to the air cleaner of your choice. Ignore my welding.
    upload_2025-7-5_20-48-32.png
    I did old 1bbl oil bath to 2bbl paper element conversion.
    upload_2025-7-5_20-49-28.png
     
    lostn51, Toms Dogs and Deuces like this.
  12. miker98038
    Joined: Jan 24, 2011
    Posts: 1,596

    miker98038
    ALLIANCE MEMBER

    Reproduction 55 bird oil bath for a T pot Holley adapted to a modern Holley.

    IMG_0113.jpeg IMG_0110.jpeg
     
    Deuces likes this.
  13. lostn51
    Joined: Jan 24, 2008
    Posts: 3,403

    lostn51
    ALLIANCE MEMBER
    from Tennessee

    You know it’s amazing how long that they used oil bath air cleaners. I figured after 53 they were to the way side…..who’d a thunk.
     
  14. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 16,115

    Bandit Billy
    ALLIANCE MEMBER

    I took an old Desoto oil bath air cleaner and adapted it to fit a Holley 4 BBL. Here is how I did it;
    1. Buy an air cleaner ***embly that fits your carb with a base diameter that is smaller than the air cleaner you are using.
    2. Try to get one with a K&N filter that extends 1" or so above the old air cleaner. Mine is 5" if I recall. Discard the lid that comes with the new air cleaner.
    3. Cut your existing air cleaner up (that's the fun part)
    air cleaner 1.jpg
    This part smelled really good as it ignited the old oil impregnated stuffing.
    air cleaner 2.jpg
    4. Weld in a spacer between the current air cleaner (larger diameter piece) and the new (smaller diameter) air cleaner base. I used wire mesh to allow air flow from under.
    air cleaner 3.jpg
    5. Cut off the lid from the old air cleaner so it will fit against the new K&N element's upper seal. Long stud (that's what the ladies call me) holds it all together.
    air cleaner 4.jpg
    6. Finish as desired. I powder coated the body gloss black and chromed the lid. Decal for fun. Breathes air from top and bottom. I considered adding a snorkel and flex tube to the inner fender, but it seems to be breathing just fine without that.
    air cleaner 5.jpg
     
    Flipper, Deutscher and anthony myrick like this.
  15. Budget36
    Joined: Nov 29, 2014
    Posts: 15,365

    Budget36
    Member

    Yeah, my ‘59 Chevy PU had one also.
     

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