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Running with choke on |
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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Posted: 21 Mar 2024 at 9:50pm |
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I usually drain everything and run the carbs dry. When I can't, I use Sta-Bil and have never had any problems. |
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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Not leaking anymore, either. I ran it for about five hours straight today with no problems. Mowed blackberries, dragged fallen limbs and other stuff around to make a burn pile. I knew using the wrong octane was a waste of time/money in cars- I didn't think it'd matter on an old tractor, but I learned something. I use the 92 non-ethanol in EVERYTHING that doesn't go on the highway, just so I don't have to deal with ethanol drama. This is the first time it's ever been a problem! Edited by resurrection20 - 21 Mar 2024 at 9:53pm |
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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If was less than a week old. I got it to start mowing the lawn. |
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4414 |
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Ethanol has sort of a natural cleaning effect, so it may have actually cleaned the carburetor out a bit. If you are using the tractor every day, running ethanol isn't a problem, except it tends to deteriorate rubber parts.
The biggest problem with ethanol in old engines is when it sits for extended periods.
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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-----GOOGLE--------What happens if you put 93 gas in a 87 car?
Engine computers can usually adjust their timing to account for the increased octane levels, so if you put premium gas in a regular car, you probably won't notice anything. However, some engines are not designed to burn higher-octane fuel, and you may see a reduction in performance and fuel economy. Edited by steve(ill) - 21 Mar 2024 at 3:37pm |
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Like them all, but love the "B"s.
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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remember the "B" has about 6 to 1 compression ratio compared to a car that has 9 to 1 compression ratio... B should run with some pretty crappy fuel.. Higher octane will retard the spark to the plugs... that could be a possibility ??
but that will not fix the LEAK........ you still need a rebuild in the near future. Edited by steve(ill) - 21 Mar 2024 at 3:34pm |
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Like them all, but love the "B"s.
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plummerscarin
Orange Level Access Joined: 22 Jun 2015 Location: ia Points: 3142 |
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Sooo…was your supply of 92 small engine gas from last year?
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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You're gonna laugh. So, I had put non-ethanol 92 in it because that's just what I had around for my small engines. I ran it out of fuel yesterday working and went to get some today, except I went for 87 10% ethanol because I'm not made of money. It started running normally again...it's always been a little belchey/uneven and always liked some choke. I bought it running and driving for $500 and was using it the next day- so I didn't really complain that it didn't run perfectly.
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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I...had no idea. That explains that brand new Wix not doing me any favors. The old, partially plugged filter was actually helping me by restricting flow. Edited by resurrection20 - 19 Mar 2024 at 8:16pm |
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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Remember how in that first pic I uploaded the carb was wet and that screw was loose? It was wet all around like that, but it could have been leaking out of the breather tube and running back. It was really hard to tell there was so much. Couldn't get the breather tube off because it's so short. If it was leaking out of there, I found something there to tighten up, at least. When I first got it, it'd run fine for about an hour and then you'd need to start choking. A slowly sinking float makes sense. Carbs never cut me any slack. |
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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Some inline filters have a RESTRICTION or a CHECK VALVE that takes a couple PSI to open... You want the OLD FASHION filter that is gravity feed and zero restriction.
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Like them all, but love the "B"s.
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Rick of HopeIN
Orange Level Joined: 11 Sep 2009 Location: Hope, Indiana Points: 1296 |
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My B would not run right with inline filter so I ended up just staying with the sediment bowl. There are probably filters that work but the one I had was too restrictive.
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1951 B, 1937 WC, 1957 D14, -- Thanks and God Bless
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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as the LEVEL Gets too high, the gas runs over the top lip into the throttle bore area and gets sucked into the motor for uncontrolled gas flow.... BLACK smoke is Excess fuel.
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Like them all, but love the "B"s.
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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gas is coming out of the BOWL GASKET ?? The LEVEL should be about 1/2 inch below that... so YES.. you float is stuck, has a hole, or the needle is worn out !
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Like them all, but love the "B"s.
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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Weeeeeeeelll, things are worse now. I flushed out the tank. Cleaned all the fuel lines.
I found out the problem was my filter. My old one was clogged and I had a newer Wix one that when you blow through it, air comes out, but as soon as you put it in line, nothing goes in. I swapped filters with my lawn mower. The mower is now fuel-starved and sad. With the lawnmower filter on the tractor, plenty of fuel comes out the bottom of the carb bowl. More coming through than could possibly be burnt? However if you leave the fuel turned on for 30 seconds, it'll be coming out the sides of the carburetor like crazy. You have to drain the bowl to get it to start and then start it immediately after turning the fuel on. It still stumbles, but now it backfires. It still only runs with the choke full on, but now the smoke is black and stinks. Before you couldn't smell it. It seems to have a little more power and oil pressure is better. It's much worse for the operator in terms of air quality and the exhaust pipe is turning black around the top like a diesel would, lol. I tried to use the fuel shutoff valve to limit how much gas goes in, but didn't have much success. My guess is that now it's too rich: Float is stuck or the needle and seat are worn. If gas is coming out the side of the carb, that means air can get in, too? Edited by resurrection20 - 19 Mar 2024 at 5:56pm |
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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The important part is that it's not my fault! |
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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sounds like your about it get it FIXED.... Spare "parts' inside the gas tank are never a good thing !!
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Like them all, but love the "B"s.
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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I understand your concern friend, however; rest assured, I'm using non-ethanol 92 and it's only about a week old. The other tractor had an empty tank, but the fuel shutoff valve no longer shuts off and leaks like mad, so I drained it out and used it over here.
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DaveKamp
Orange Level Access Joined: 12 Apr 2010 Location: LeClaire, Ia Points: 5642 |
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You say you used gas from some other machine? Very first thing I'd do, is drain it out. Clean out the tank... refill with new fuel. I had a guy bring me an engine that just wouldn't run right... it demanded the choke, dripped fuel out the bottom, wouldn't throttle up... he'd rebuilt the carb twice, replaced all the ignition... air filter, exhaust... Turns out that the ethanol-blend gas he drained from his other machine was about as much water and saturated ethanol, as it was gasoline, so his fuel-to-air ratio was barely combustible. When fuel sits, it separates based on specific gravity and solution. Water falls to the very bottom. Above that, is saturated ethanol... above that, heavy fractions of gasoline, and up top, ethanol. Lighter fractions evaporate off, and any ethanol that's exposed to the top absorbs water from the atmosphere (it is hygroscopic) until too heavy to stay up top, then it falls to the second layer from the bottom... Pulling out the choke draws more LIQUID, but only the combustible part constitutes fuel. If that doesn't resolve it, check your spark timing, and exhaust/intake manifold and gaskets. IF the gaskets are blown and leaking... or if there's a crack in the 'shared' portion of the manifold (where the exhaust heat helps warm the intake fuel-air mix), then it'll run terrible.
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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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*** UPDATE ***
I deserve no sign for there was not a scrap of Teflon in the tank. What I saw was a moth! And not a big, impressive moth. T'was a lowly little flitter that laid the mighty Allis low. There was also a little stick thing, maybe a blade of grass, in the fuel line. Additionally, where the gas was coming out the side of the carb, that screw had rattled loose about 3/4 turn. The one behind it 1/2. The other two 1/4 each. I didn't Tarzan them. Tighter isn't always better when it comes to carbs, I learned the hard way. Edited by resurrection20 - 18 Mar 2024 at 10:34pm |
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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This is what my girl has been up to. I'm a SAHP to 22-month-old twin boys, lol. It's so hard to keep on top of stuff.
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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DiyDave
Orange Level Access Joined: 11 Sep 2009 Location: Gambrills, MD Points: 50581 |
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A request? |
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Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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Inside, there are two black pieces of crap right by the tank outlet. I think I might have made a mistake in that I used an old Teflon pot to catch the fuel...they look like black Teflon and the pot itself is in bad shape. In which case, I need Engvall to give me my sign.
Edited by resurrection20 - 18 Mar 2024 at 1:31pm |
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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that looks like a good flow... assuming there is nothing FLOATING inside the tank to plug it at random times..
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Like them all, but love the "B"s.
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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I'm draining the tanm to check it out. Here is 100 percent open on the tank petcock. Good? Bad? |
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 77892 |
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yep... unscrew the stand tube and then blow thru the cap or fill it with a hose, etc... and FLUSH out anything that is in the tank..
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Like them all, but love the "B"s.
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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I'd forgotten, but a few months ago, I had to rob the Allis's tank for a lawn mower. I uncooked it at the carb and I kept having to shake and wiggle the line to get the fuel out. It'd run for a bit and I'd shake it more. It runs much faster now and you don't have to do that anymore, but...I don't have a sediment bowl. I'm wondering if it's possible there's crap just in the exit of the tank? Is that hard to come off? It looks like it all unscrews from the bottom and there's a screen in the tank???
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resurrection20
Bronze Level Joined: 14 Nov 2023 Location: Oregon Points: 77 |
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I forgot about this trick! I did it on a pickup that I buried to the windshield in mud being a stupid kid. Ah, to be young. Very expensive. |
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4414 |
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The question is, does it continue flowing for several minutes. Often these old tractors have a problem with the inlet of the sediment bowl accumulating debris. After you use the gas in the sediment bowl, flow slows significantly and the engine starves for fuel. I agree 100% with Steve's recommendation of an inline fuel filter. The only filtering these old tractors had was the screen in the top of the sediment bowl. The screens were marginal, at best, for keeping dirt out of the carburetor. The newest an AC tractor could be is 39 years old (and gas tractors much older than that!). There is bound to be some rust/debris in the fuel tanks after that long.
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