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65 Cj5 No Power

Discussion in 'Early CJ5 and CJ6 Tech' started by nolehynaws, Jan 23, 2019.

  1. Jan 24, 2019
    baldjosh

    baldjosh Member

    pacific north west
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    what if the T case was in 2 high but the front hubs were locked...would that be enough extra load/drag to slow it down?
    doesnt seem like it would make alot of difference....but....
     
  2. Jan 24, 2019
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sheboygan
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    No, that wouldn't limit his speed
     
  3. Jan 24, 2019
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sheboygan
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    I'm thinking if it's a twin stick he may be in 4wd unknowingly? When in neutral, he can rev it at any rpm, no problem.
     
  4. Jan 24, 2019
    baldjosh

    baldjosh Member

    pacific north west
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    but in neutral there is no load...so it will easily spin up to higher rpms
    im gonna go with compression test...
     
  5. Jan 24, 2019
    70cj5134f

    70cj5134f Member

    East Tn
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    Check for an exhaust restriction ?
    When I crushed a pipe, mine would not reach half of its normal power.
    With 32s, mine hits 40mph bout 2200rpm, in high gear. Engine should spin
    safely to 3500rpm.
     
    dozerjim likes this.
  6. Jan 24, 2019
    tcfeet

    tcfeet Member

    east of west,...
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    I would guess the timing needs advancing just a smidgen.
     
  7. Jan 24, 2019
    tarry99

    tarry99 Member

    Northern California
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    My 65 bought new with a 4 banger had twin sticks...
     
  8. Jan 24, 2019
    70cj5134f

    70cj5134f Member

    East Tn
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    If it were mine, and no exhaust stoppage,( little animals like to stop up exhaust), I'd do a, major tune up spec ,check! Air filter clog, another possible? Air in, air out ,gotta be low restriction!
    Even though their low on HP! They pull like a Tractor, from idle to bout 3K!( when In proper running state)?
    Things to set or ckeck?
    Fuel getting to carb?
    Plugs gaped and or filed clean?
    Cap, rotar, terminals, clean?
    Plug wires?
    Plugs clean or replaced?
    Blue fire at plug?
    Air in, air out no restriction?
    Timing?
    Brake drag?
    Properly inflated tires?
    Good Luck!
     
  9. Jan 25, 2019
    Rick Whitson

    Rick Whitson Detroit Area 2024 Sponsor 2022 Sponsor

    I live South of...
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    Welcome from Michigan. This is interesting, keep looking you will find it. Does it free rev all right? Does it coast? There is nothing I can add, they have covered everything I know? Good Luck, Keep us posted.
     
  10. Jan 25, 2019
    Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Virginia Beach, VA
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    would like to add another question . have you had anyone press on accelerator pedal all the way to floor and looked to see if carburetor butterfly is wide open . could be linkage is out of adjustment
     
    ITLKSEZ likes this.
  11. Jan 25, 2019
    PeteL

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

    Hills of NH
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    Could be almost anything - but until it is tuned to specification, any guesses are just spitting in the wind.
     
    70cj5134f likes this.
  12. Jan 25, 2019
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    When we got Tonk he wouldn't get over 35. After we pulled two layers of green shag carpeting out from behind the gas pedal he's hit 45 :D
     
    tripilio, Walt Couch and 3b a runnin like this.
  13. Jan 25, 2019
    Greevesman

    Greevesman Member

    Napa, Ca
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    Mine is a stock 65 and has the twin stick.
     
  14. Jan 25, 2019
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sheboygan
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    :waiting:
    Still waiting....
     
  15. Jan 25, 2019
    Keys5a

    Keys5a Sponsor

    Florida Keys
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    My '64 Tux came with a single stick, and I had a '65 CJ5 with single stick, but it did also have a 60/40 seat. Maybe the seat made the difference up through '65? My Early '66 V6 CJ5 is also single stick with bucket seats.
    -Donny
     
  16. Jan 25, 2019
    tarry99

    tarry99 Member

    Northern California
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    My 65 had the 60/40 and twin sticks...............????
     
  17. Jan 25, 2019
    Greevesman

    Greevesman Member

    Napa, Ca
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    My 65 has 60/40 seats and twin stick also.
     
  18. Jan 25, 2019
    colojeepguy

    colojeepguy Colorado Springs

    At the foot of...
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    I believe all V6 Jeeps got the single stick. I was under the impression that Tux Park git the single stick and column shift to make room for a middle passenger but I could be mistaken about that.
     
  19. Jan 26, 2019
    Rick Whitson

    Rick Whitson Detroit Area 2024 Sponsor 2022 Sponsor

    I live South of...
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    My 64 Tux had the bench seat and a single stick? I am not sure if the 64 single stick is a large index transfer case or not, I used a 66 single stick and it was a large index transfer case. I still have the 64 single stick I will have to dig it out and see if it a large index. Just wondering, maybe someone here would know. Anyway good luck on finding out why it is so slow.
     
  20. Jan 26, 2019
    garage gnome

    garage gnome ECJ5 welder

    Western MA
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    Sounds to me like you are running on 2, maybe 3 cylinders. One jeep I had gotten, the PO had the firing order wrong. I could start it and it ran fine. I could also drive it too.

    Jeepstar has a good point. Maybe full throttle isn't there.
     
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