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Which Carburetor For F134

Discussion in 'Early CJ5 and CJ6 Tech' started by adams77, Apr 1, 2019.

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  1. adams77

    adams77 Member

    I just picked up a '56 with the F134 engine. It came with three carbs in the floorboard and I wanted an opinion for either the Zenith or Carter to rebuild and use.

    Here are the carbs

    Carbs.jpg
     
    adams77, Apr 1, 2019
    #1
  2. Dave B

    Dave B Frankenjeep '67

    I'm going to vote for a top quality rebuild on a Carter YF.
     
    Dave B, Apr 1, 2019
    #2
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  3. timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Carter YF is original. The Zenith may work well, but you'd need to work it out yourself. There are new aftermarket Solex carbs available for this engine, which are said to work well.

    If you look through old posts, there should be a the proper Carter numbers for this engine given. IMO the YF will work fine if it is properly rebuilt. They wear out, and can need some work (rebushing), but a competent carb shop can fix them up.
     
    timgr, Apr 1, 2019
    #3
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  4. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    The Carter YF would be my choice
     
    PeteL, Apr 1, 2019
    #4
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  5. Keys5a

    Keys5a Sponsor

    I'll recommend the Carter too. Notice it also has the correct top tapered flange for the top air cleaner elbow to make the correct connection.
    -Donny
     
    Keys5a, Apr 1, 2019
    #5
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  6. scoutpilot

    scoutpilot Member

    The YF.
     
    scoutpilot, Apr 2, 2019
    #6
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  7. jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Carter YF
     
    jeepstar, Apr 2, 2019
    #7
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  8. 70cj5134f

    70cj5134f Member

    Yf.
     
    70cj5134f, Apr 2, 2019
    #8
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  9. kenb

    kenb Cleverly disguised as a responsible adult

    I have a YF on mine. Runs great.
     
    kenb, Apr 2, 2019
    #9
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  10. Rick Whitson

    Rick Whitson Detroit Area 2024 Sponsor 2022 Sponsor

    Both of my F 134's have the Carter, both do what they are supposed too.
     
    Rick Whitson, Apr 2, 2019
    #10
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  11. adams77

    adams77 Member

    So, are the zenith carburetors worth anything?
     
    adams77, Apr 2, 2019
    #11
  12. timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Maybe. They used to be popular for hot-rodding air cooled VWs.
     
    timgr, Apr 2, 2019
    #12
  13. Jrobz23

    Jrobz23 Member

    An overly worn out Carter is a really annoying battle. A good one is not only an awesome running carb, but original equipment. It took me quite a few before I found a decent one, though.

    I’m also a big fan of the Solex.

    No XP with a Zenith
     
    Jrobz23, Apr 3, 2019
    #13
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  14. 55_Willys_CJ5

    55_Willys_CJ5 Nephews Visit 2017 2024 Sponsor 2023 Sponsor

    Carter YF. Ran a solex for a bit. But once I put the rebuilt Carter YF on I noticed a difference in how the engine ran and performed.
     
    55_Willys_CJ5, Apr 3, 2019
    #14
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  15. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    A worn throttle shaft can be re-bushed, which fixes any air leakage there.
     
    PeteL, Apr 3, 2019
    #15
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  16. Vanguard

    Vanguard Take Off! Staff Member

    Price a rebuild kit for the Carter and/or having your Carter rebuilt and then price a new Solex replacement.

    My experience is that it wasn't worth screwing around with a worn out Carter YF. I did 2 YF rebuilds myself and then had it professionally done and it still ran like crap. $100 and 10 minutes install time on the Solex and I was golden.

    $22.81 Rockauto YF Kit (including shipping)
    $32.00 Amazon Chem-dip (no shipping - Prime)
    $ 4.00 Amazon Gumout Carb and Choke Cleaner 16 oz (no shipping - Prime)

    $58.81 Total cost assumes you do it yourself and it doesn't need to be rebushed

    $107.00 Solex for Jeep F-head on eBay ($95 plus $12 shipping

    It will cost you over half the cost of new Solex - which will work - to rebuild the YF which may work



    Or you can do it like I did and do both. :D
     
    Vanguard, Apr 3, 2019
    #16
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  17. adams77

    adams77 Member


    I have a machine shop at my disposal and I know a guy with a sonic tub! Plus I am a glutton for punishment. I will bush the shafto_O and see what happens.
     
    adams77, Apr 3, 2019
    #17
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  18. Vanguard

    Vanguard Take Off! Staff Member

    I want a sonic tub!
     
    Vanguard, Apr 3, 2019
    #18
  19. Greevesman

    Greevesman Member

    My YF runs great after a rebuild kit.
     
    Greevesman, Apr 3, 2019
    #19
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  20. Jrobz23

    Jrobz23 Member

    While 100% true, the Solex #JustWorked. I just had a bad run of Carters (my first 4 were all trash). I had immediately good results from a Solex. Then I finally got a good Carter, so I can finally say I see where you guys are coming from.

    Would I go through the hassle of having it rebuilt.. not unless OEM is important to the build. If I had the equipment and liked doing the work? Sure, I’d rebuild it right. Otherwise Solex do the job quite well. I’ve still not had a FHead run as well as that Solex’d 65 I had last year.
     
    Jrobz23, Apr 3, 2019
    #20
    Vanguard likes this.
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