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Engines 3800 Best For Bop Bell Housing

Discussion in 'Early CJ5 and CJ6 Tech' started by EDDY ARNOLD, Apr 12, 2021.

  1. Apr 12, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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    Looking at options for motor upgrade currently have 225 by 3 speed 71 cj5?
     
  2. Apr 12, 2021
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    What are your criteria?

    Any RWD 3800 Buick V6 is basically the same as the original 225. Not really an upgrade.
     
  3. Apr 12, 2021
    Jeepenstein

    Jeepenstein Me like Jeep.. 2024 Sponsor

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    There is no upgrade.. That's the best engine ever made. :D
     
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  4. Apr 12, 2021
    SFaulken

    SFaulken Active Member

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    This. Just be aware that Front-wheel drive 3800 Buicks are a whole different beast, you can't just grab one and bolt your existing transmission up to it.
     
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  5. Apr 12, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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    More horsepower and better bottom end (rods)
     
  6. Apr 12, 2021
    Jrobz23

    Jrobz23 Member

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    and more EFI options if one were inclined, due to even fire..

    FWD ones are great engines as well but gm metric pattern.
     
  7. Apr 12, 2021
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    Seems like you already have your answer. If you want one of the 231s you can pick the one that has more horsepower and stronger rods.

    Regarding EFI, I don't know if there were any 231s with multiport. Lots of ways to have TBI. The even-fire engines make the tach signal easier and likely are required for spark control.

    There were book about these engines published long ago that you can probably find used.
    Buick V6 Engine Books
     
  8. Apr 12, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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    I know where new 3800 front wheel drive motor high school demo but didn't know if bolt up to my t14
     
  9. Apr 12, 2021
    Twin2

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    GM 4.3 :whistle:
     
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  10. Apr 12, 2021
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    It does not - GM metric pattern as mentioned above.

    IMO the T-14 is just adequate for the 225, and not up to a more powerful engine.

    The V8 Buicks 300, 340, 350 are a great swap in the Jeepster with the TH400. Not with the T-14 though, again IMO.
     
  11. Apr 12, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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    Guess sometime down road look for 4 speed maybe t18?
     
  12. Apr 12, 2021
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    The Jeep T-18 is the easiest of the truck 4-speeds, if you can find one from a pre-1980 donor. If you want to stay with a 3-speed, the Borg-Warner T-15 would work but requires an adapter. It is strong enough for many V8s.
     
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  13. Apr 12, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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    Does it matter ford , dodge or jeep
     
  14. Apr 13, 2021
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    You asking about the T-18?

    With most Jeep T-18s, you won't have to adapt the output to the transfer case. Ford is the easiest to find and works with the adapters offered by the aftermarket. There was no Dodge T-18 AFAIK, or if there was, it's an oddball.

    This has been covered over and over and over and over in previous posts. Plenty of material for your homework if you search. :study: Start with the Novak pages - read everything there, starting with their page on the T-18. Novak Conversions Home
     
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  15. Apr 13, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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  16. Apr 13, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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    Thanks will do more reading have read novak
    And installed there dana 18 rebuild
     
  17. Apr 13, 2021
    Fireball

    Fireball Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    A Buick 350 is a nice "bolt in" upgrade. The motor bolts in, but you'll need to use and 72+ grill/radiator and modify/replace the front crossframe to deal with the length. It's a great torquey motor. I like mine:
    [​IMG]

    This one currently has the T-14 behind it but a Ford T18 is on the bench waiting for me rebuilt it and install the adapter kit. The adapter kit is behind the transmission:
    [​IMG]
     
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  18. Apr 13, 2021
    EDDY ARNOLD

    EDDY ARNOLD Member

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    Looks nice fits better than I thought..
     
  19. Apr 13, 2021
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    Dimensionaly it's the same as the 225 with two more cylinders added to the front.
     
  20. Apr 13, 2021
    Fireball

    Fireball Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    It's also a bit taller and wider with a 10.187" deck height vs a 9.531" for a 225. No related clearance issues on that front though, just with the length.
     
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