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Thread: New to the Jeep world.

  1. #1
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    New to the Jeep world.

    Hello everyone. Tom from Dracut, MA... wondering what I have done. I have acquired a 51 CJ-3a for the grand sum of 800 dollars. It has 23,000 miles on it, but hereís the rub - it has been in a chicken coop since 1977. I plan a total frame off restoration and hope to just get a viable drivetrain for my 800. Frame is mint, body not so much, donít know if the engine is not frozen. I will have tons of questions. Wish me luck !
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  2. #2
    Super Moderator gmwillys's Avatar
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    Welcome Tom.

    For being in a chicken coup, it doesn't look bad at all. We are here for anything you need to know.

  3. #3
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    Thank you. First question, curious about this. What are the 3 additional shift levers for, in particular, the little one towards the rear.
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  4. #4
    Super Moderator LarrBeard's Avatar
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    Welcome.

    For sitting in a chicken coop it doesn't look all that bad. At least the chickens weren't still in the coop with it. Barn finds often have pigeon paint on them - and it's really corrosive.

    The three additions are different. They look like push-pull rods more than a wiggle and shift. Look underneath and see if these is a PTO or an addition for a snow plow or something. Find out what they are tied to and we will try to help you figure out what they do.

    And, the First Rule of Jeep: "What you see is what you have. Trust nothing but your own eyes"

    Second Rule of Jeep: Never say "Willys-Overland never did anything like that...".
    Last edited by LarrBeard; 11-12-2018 at 11:43 AM.

  5. #5
    Super Moderator LarrBeard's Avatar
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    Waking Up the Chicken Coop Treasure

    Quote Originally Posted by Toms51 View Post
    donít know if the engine is not frozen. Wish me luck !
    Here is the standard advice ...

    Startup Best Practices


    It is not unusual for folks who have just found a barn Jeep or who are starting to work on Grandpaís CJ3 to ask what to do to get the engine running. While coaxing an old Jeep back to life isnít all that difficult a job, doing it in too big of a hurry can turn what could have been a pretty good engine into a basket case pretty quickly. Several of us who have gone through our repairs and restorations have come up with some things that will cover a lot of the issues that you will find trying to wake up that old engine. Thanks to Forum contributors Gmwillys, LarrBeard and Pelago for their suggestions.

    A good starting place is to check the engine oil level, and oil condition. Go ahead and pull the drain plug. If the oil is milky, then the odds are that the head gasket was likely the cause of the Jeep to be parked. A Willys L or F-head has an oil capacity of about 4 quarts. (The Super Hurricane 6 holds 5-quarts). If a lot more than 4 or 5 quarts comes out, there is a possibility that the block is cracked and coolant has leaked into the oil pan.

    Take this opportunity to check the coolant. For initial checkout, itís not a bad idea to pull the thermostat. When you get to the point that things run, you donít want a stuck thermostat to blow off or split a hose and give you a hot water shower! If it is clean and green, then there should not be any issues with the head gasket. If there is no coolant in the engine, add water (about 11 or 12 quarts) and see if water leaks out the oil pan drain plug Ė not a good sign. Radiator leaks and leaky hoses show up about now as well. Resist the temptation to pour stop leak in the radiator. It will usually cause more problems than it solves.

    Next, pull the spark plugs and put in a few ounces of engine oil/transmission fluid and a good dose of penetrating oil into each cylinder. Do this before attempting to turn the engine by hand. A word of caution; place a shop towel over the exposed spark plugs holes to catch any oil from running down the side of the F head and you donít want stuff falling down in spark plug holes in an L-head. Let the engine sit with the concoction for a half hour or so, in order for the penetrating oil to seep into the rings. There could be twenty years of crud in there that will bind the rings to the cylinder wall. If the mixture seeps past the rings, it will just drain into the crankcase and out the drain plug.

    While you wait, remove the tappet cover on the driver's side, and lube the cam shaft and tappets. Everything in there is going to be dry and dirty. Inspect for broken springs, or damaged valves. At this time, adjust the fan belt to where it is snug in the water pump and generator pulleys.

    Use the fan to carefully rock the engine back and forth. Resist the urge to use a breaker bar on the crankshaft pulley. If it takes that much effort to turn the engine, there are problems. If the engine turns freely, then continue to turn the engine through several times until both the compression and exhaust strokes have been completed. Pay special attention to any noises or a feel of something hanging up the rotation. On the F head engines, pull the valve cover to ensure that the intake valves are cycling fully. Oil the top end well because itís going to be dry after sitting all that time.

    Once you are convinced that the engine is loose and lubricated, itís time to look into the wiring. Inspect the wires leading from the ignition switch to the coil for mouse damage or just plain old wear and rot. Repair any damage found to prevent a fire hazard. If things are in bad shape, it may be easier to just jury rig a wire from the battery to the coil and another to the starter solenoid to bypass a bunch of wires that may have issues. Remember to disconnect the old wires!

    Once all the wires are cleared for electricity, it will be time for a battery. It would be helpful to have a helper when checking the starter for proper operation, in order to pull a cable off the battery in case the starter sticks engaged. If all checks out to this point, then it will be time to check for spark.

    Pull the distributor cap, and check the points to ensure that the contacts are clean (they probably wonít be), and are adjusted correctly. It wouldn't be a bad idea to hook up a tach and dwell meter to the distributor to adjust the points, at this time.

    Check the cap for cracks and clean the contacts, then reassemble the distributor. When you get to the point of cranking the engine, check for spark at the plugs. Check every plug Ė this is the easiest place to find an open spark plug wire. A helper is really a bonus for this step!

    If you have gotten this far with no major issues, itís time to add fresh oil. Changing the old oil is a very good idea because you have no way of knowing just what is in that crankcase! For both L and F-134 engines, straight 30W, non-detergent is what the book calls for. New and improved isnít necessarily better.

    It would be prudent at this time to run a compression test to determine if all cylinders will support the engine running. If the compression is right, and there is spark, then reinstall the spark plugs, (a clean used set would do, since there might be a chance of fouling a good set). Or, you might want to leave the plugs out until you crank the engine to prime the fuel system.

    Check the fuel tank for contamination/rust/holes. If the tank is a mess, (and it is usually worse than you think it is), connect a temporary gas line to the inlet of the fuel pump, and run a fuel line into an external fuel source. Make sure the external fuel source is secure. Once the engine starts and everyone gets excited, spilling a gallon of gas under the vehicle is a good way to spoil the whole day. Crank the engine (easier to do with the plugs out) and observe the carburetor for fuel leaks. When the fuel bowl has adequate fuel in it, install plugs and try and start the engine.

    Resist the urge to use a starting aid such as ether or another starting fluid. This could cause harm to the pistons or a fragile head gasket. Have a clean rag or a glove close to the carburetor to snuff out any carb fire that may happen if an intake valve doesn't fully seat. Also, if there is a back fire through the intake, check to make sure that there is no obstruction in the exhaust pipe. Mice will store a ton of acorns and bedding within the muffler. (They can also pack the bell housing with straw as tightly as a hay bale!)

    Listen to the engine to determine if it is receiving enough or too much fuel. If the choke butterfly isn't closing enough to pull enough fuel into the carburetor, cover the carb inlet with your hand to limit the amount of air going into the carb. Shutting off the air supply allows the carburetor to draw more fuel into the intake. This may have to be done until the engine is running, and the air fuel mixture is adjusted.

    If you are not receiving fuel into the carburetor, and you have fuel at the carburetor inlet, then the needle and seat are stuck closed within the fuel bowl. If you are receiving too much fuel, then the float may also be stuck in the down position, allowing fuel to drain constantly into the carb throat. A minor carb kit may be needed for the gaskets, if the float and needle need attention. Eventually you will want to rebuild the carburetor Ė nothing except whiskey and wine improve by sitting twenty or so years.

    Since old gauges and sensors are always suspect, it is a good idea to put a mechanical oil gauge on the oil sensor port of the block. When the engine starts, pay attention to the oil pressure, to ensure that it comes up quickly after start. Listen for any odd noises, and make note of anything out of the norm. If it doesnít sound right Ė it probably isnít! Try not to race the engine until you have a good sense that everything is normal. There is a lot of crud and dirty oil in the galleries and passages in the engine at this point. Leave the radiator cap off to observe that there are no combustion gases escaping through the coolant. Let the engine reach operating temperature, and then shut it off. Change the engine oil, the oil filter if the vehicle has one and change the coolant. You will be surprised at how nasty the oil and coolant are. Change them again after youíve driven a couple of hundred miles. It takes time for all the crud to work its way out.

    If all is normal, then you have yourself a good engine. Now, the real work begins. Good Luck!

    Let us know how things go with the project



  6. #6
    Super Moderator gmwillys's Avatar
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    Without seeing more of the Jeep, I'm guessing there was either a snow plow or a front winch set up. Usually, (as LarrBeard stated earlier) the normal PTO winch control was a single or dual lever set up between the seats. One lever to engage the PTO, then the other one to pay in or pay out the winch. Now the second lever is not a constant, just depends on the winch manufacturer. The snow plow is more than likely what the levers are for. Again, depending on the manufacturer, the set up can vary. For more information, check out eWillys.com. They keep a record of different aftermarket items for Jeeps, plus the stories behind the manufacturer.

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