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F134 Block, What Parts To Keep Or Sell

Discussion in 'Early CJ5 and CJ6 Tech' started by adams77, Apr 22, 2019.

  1. adams77

    adams77 Member

    I picked this 134 today, I may end up using the block and carburetor. Aside from those what else should i put on the shelf? Also, vacuum advance distributor?

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  2. Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

    your asking us :whistle: Everything
     
    dozerjim and 47v6 like this.
  3. Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Truck block if it has a vacuum dizzy, IIRC trucks didn't use the YF 938 carb because of this.
     
  4. Chilly

    Chilly Active Member

    Can't answer without dyno slips.
     
    mortten, wheelie and adams77 like this.
  5. adams77

    adams77 Member


    Any benefits for swapping to this?
     
  6. Chilly

    Chilly Active Member

    Fer realz, how much space do you have? I tend to keep too much, but pay the price in an awful garage. I envy tidy garages.
     
    Jrobz23 likes this.
  7. 73 cj5

    73 cj5 Not ready for the junkyard yet

    You don’t want that boat anchor, send it to me:D
     
  8. Jw60

    Jw60 That guy 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Keep everything until it runs on it's own. The foot button starter is interesting. If it has the timing window on the flywheel cover you will need that.
     
    47v6 likes this.
  9. 47v6

    47v6 junk wrecker! 2023 Sponsor 2022 Sponsor

    Keep it all!!!!!!
     
    dozerjim likes this.
  10. Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Common wisdom says no but I have one I picked up years ago that I fully intend to experiment with some day :)
     
  11. Oldriginal86

    Oldriginal86 Member

    Which truck? Bought one from an FC years ago that didn’t have a vacuum advance.
     
  12. Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    What truck?

    That truck-


    upload_2019-4-22_23-8-25.jpeg
     
  13. Keys5a

    Keys5a Sponsor

    If it has a crankshaft with bolt-on/welded counterweights, I could be interested. I've got reletives in Athens for pick up.
    -Donny
     
  14. kenb

    kenb Cleverly disguised as a responsible adult

    I have so many questions about that starter. How does it work? What exactly does the pedal do? Can you wire ignition bypass to work with a system like that? I know my M38A1 originally had a foot starter like that, would love to eventually have one again
     
  15. jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    keep that entire motor. it dont take up much space at all. really, they aren't that plentiful, so keep whatever you find if you plan on running an f-head in your current setup.
    you can rebuild it while driving the jeep.
    then, if your motor ever goes, you have a spare freshly rebuilt just waiting to put in. and you can rebuild your blown engine while you drive the new one. circle of life my friend. circle of life.
     
  16. adams77

    adams77 Member


    Send me an image of what you are looking for.
     
  17. kenb

    kenb Cleverly disguised as a responsible adult

    This is what I'm strongly considering doing with the spare F head I got out of a parts Jeep. I figure that would enable me to take my time and do a quality rebuild without time pressure
     
    jeepstar likes this.
  18. duffer

    duffer Rodent Power

    All my FC's had the vacuum advance and I believe that is all they left Toledo with. If you got a non-vacuum advance distributor from a FC, someone likely swapped it out. In theory, one would expect a little more efficiency with a vacuum advance but with abysmal efficiency to start with, it is hard decipher any advantage.
     
    jeepstar likes this.
  19. adams77

    adams77 Member

    I plan on keeping the block with carb and distributor. I might hold on to the oil bath can and carb hat. Other than that, the starter and generator are 6Volt so I am selling those. Bellhousing was for a 2wd transmission, will it work for a t90?
     
  20. Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    The starter will work fine on 12 volts, keep it.