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  1. #1
    Bronze Member
    Join Date
    Nov 2012
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    68
    Location
    Hale, MI
    Tractor
    Ford 3000

    Default Ford 3000 Overheat

    On a 1970 Ford 3000, 3 cyl. gas, with an FEL, trans 8F and 2R having overtemp problems. It sat for quite some time and needed a carb rebuild.
    That done, it runs well now. Runs smooth and has good power. I will also check the timing and verify the under carb gasket to see if it is sucking in air. But either idling for some time or putting it to work will gradually overtemp, with the FEL and loaded rear tires it is heavy just moving around. Once when idling for a long period it shut down on it's own. Let it cool down starts right back up. Appears to have good coolant flow. I know it is missing the vacuum advance line from carb to intake and will replace that shortly. It looks like a very short metal line, could I use teflon or just metal??
    I will check or replace the thermostat, and back flush the radiator fins. I have a solid state ignition kit for it I will do soon too.

    Any other ideas or help is appreciated.

  2. #2
    New Member
    Join Date
    Oct 2012
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    9
    Location
    pflugerville tx
    Tractor
    ford 1900 kubota b8200

    Default Re: Ford 3000 Overheat

    my little ford does that when not enough air gets to the radiator. dont think i am lucy enough for it to shut down by itself though rick

  3. #3
    Gold Member Oldtractorfixer's Avatar
    Join Date
    Mar 2012
    Posts
    289
    Location
    Oregon City, Oregon
    Tractor
    several

    Default Re: Ford 3000 Overheat

    Vaccum advance line can be almost anything. Most cars use rubber. Check the air flow throught the radiator. You should be able to put a light on one side and see it from the other. Also check fan belt tension, loose belt can cause overheating. If it has an oil cooler you can get dirt between the cooler and the radiator that you cannot see easily.

  4. #4
    Bronze Member
    Join Date
    Nov 2012
    Posts
    68
    Location
    Hale, MI
    Tractor
    Ford 3000

    Default Re: Ford 3000 Overheat

    Thank you for the replies. I have some rubber to make the line with to start. I will recheck the belt tension, I did before but I will make sure it is not slipping.

  5. #5
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    48,803
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Ford 3000 Overheat

    don't wast money on the e-ignition untill the advance is fixed.

    make sure she's not lean too.. lean will cause heat..

  6. #6
    Bronze Member
    Join Date
    Nov 2012
    Posts
    68
    Location
    Hale, MI
    Tractor
    Ford 3000

    Default Re: Ford 3000 Overheat

    Thanks Soundguy. What should I check to make sure it is not running lean?
    I have good gas flow to the carb but I do need to re-check the under carb gasket.

  7. #7
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
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    48,803
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Ford 3000 Overheat

    if it has a holley carb.. lean is easy to come by.

    hows she feel when you snatch the throttle open/

    power seem fine?

    manifold glow red at night?

  8. #8
    Veteran Member mostly_gas's Avatar
    Join Date
    Sep 2009
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    2,302
    Location
    Missouri
    Tractor
    in-between tractors

    Default Re: Ford 3000 Overheat

    Float level in carb, plugged jets, air leaks in intake manifold, mixtures screws improperly set. Spark plugs should be light brown. Gray or white plug color indicates too lean.

  9. #9
    Bronze Member
    Join Date
    Nov 2012
    Posts
    68
    Location
    Hale, MI
    Tractor
    Ford 3000

    Default Re: Ford 3000 Overheat

    Seems to have good power and runs smooth. Holley Carb had a complete rebuild. Originally, bowl and everything was gummed up and green. I will have to re-check the mixture and plugs.
    I did have the lower rad hose collapse, replaced with a new reinforced one. What generally causes that?

  10. #10
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    48,803
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Ford 3000 Overheat

    plugged core...

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