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peterh 
Silver Level
Joined: 07 Dec 2011
Location: Raleigh, NC
Points: 315
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 Topic: Allis B losing power
Posted: 25 Nov 2016 at 10:05am |
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Have a '49 B with a 60 series belly cultivator. Worked fine this summer, but when I went to use it Wednesday, as soon as I dropped the cultivator into the ground to start discing up the soil (don't have a regular disc plow, so I put discs on the cultivator frame and it works fine for what im using it for), the B would shut off. I am also having a hard time getting it into 2nd or 3rd gear, without even the discs in the ground, without it shutting off. Does this sound like a compression issue or fuel flow issue to you? or something else? I hadn't used the tractor in about 2 months before yesterday...
I put some Marvels in the gas tank, but haven't tried anything else yet.
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1947 C, 1949 B, 195? CA
60 series cultivator
fertilizer side dresser
2 bottom snap coupler plow
1 bottom plow, Cole planter
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AaronSEIA
Orange Level
Joined: 11 Sep 2009
Location: Mt Pleasant, IA
Points: 2565
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Posted: 25 Nov 2016 at 10:12am |
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Fuel flow. Make sure you have free flow to the carb.
AaronSEIA
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peterh
Silver Level
Joined: 07 Dec 2011
Location: Raleigh, NC
Points: 315
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Posted: 25 Nov 2016 at 10:17am |
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ok, will do. id much rather it be that than a compression issue, at least
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1947 C, 1949 B, 195? CA
60 series cultivator
fertilizer side dresser
2 bottom snap coupler plow
1 bottom plow, Cole planter
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Brian Jasper co. Ia
Orange Level
Joined: 11 Sep 2009
Location: Prairie City Ia
Points: 10508
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Posted: 25 Nov 2016 at 3:49pm |
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Could be carburetor clogged. I would first look at the ignition system. If it hasn't had a tune up for a while, ask for Standard Blue Streak brand points and condenser and a set of Autolite 303 spark plugs. If your local parts store cant get Blue Streak, Steve at B&B Custom Circuits can get them to you. He's on here just about every day and is a site sponsor.
Get your ignition system up to par before you fiddle with the carb.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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Bill Long
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Joined: 12 Sep 2009
Location: Bel Air, MD
Points: 4556
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Posted: 25 Nov 2016 at 7:50pm |
peterh, Sorry to hear my favorite is not performing right. I have to agree with Brian. Check the ignition system first. Might be time to replace the points, plugs, condenser, rotor and cap. If that does not do it and if you have a magneto you may want to check the coil. With that much age on a unit the coil sometimes breaks down and malfunctions. If you are lucky you may get by with a condenser. As Brian says you can check with our friend SteveNJ. He can fix anything electrical. Take good care of my favorite. Good Luck! Bill Long
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CrestonM
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Joined: 08 Sep 2014
Location: Oklahoma
Points: 8452
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Posted: 25 Nov 2016 at 8:31pm |
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Sounds like you're running champion plugs. It may sound silly, but when I first got my B I had the same problem. New autolite plugs fixed it.
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Hubnut
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Joined: 30 Jul 2014
Location: Gainesville, FL
Points: 1817
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Posted: 26 Nov 2016 at 4:41am |
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My bet is fuel or a bad condenser.
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1940 B "Lucy"
1941 B w/ Woods L59 "Flavia"
1942 B w/ finish mower "Dick"
1941 C w/ 3-point "Maggie"
1947 C SFW w/ L306 "Trixie"
1972 314H
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peterh
Silver Level
Joined: 07 Dec 2011
Location: Raleigh, NC
Points: 315
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Posted: 26 Nov 2016 at 7:48am |
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great- thanks guys. ill get to work on that stuff and let you know. I put autolite 295s in my C. Any difference between them and the 303s?
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1947 C, 1949 B, 195? CA
60 series cultivator
fertilizer side dresser
2 bottom snap coupler plow
1 bottom plow, Cole planter
|
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peterh
Silver Level
Joined: 07 Dec 2011
Location: Raleigh, NC
Points: 315
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Posted: 26 Nov 2016 at 7:52am |
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never mind: answered my own question- found this old post from Steve@B&B:
As Jimmy D. said, 295's or 303's. The 303 is the range that the Autolite book calls for on Distributor fired Tractors, but I always ask our customer's if the engine is worn (no smoking) and hasn't been rebuilt, the 295's are a hotter heat range which helps when worn engines start to loose a little oil control. Loose valve guides and worn rings cause the oil control problems. The hotter plugs won't foul as quickly and usually last a little longer...
Steve@B&B
Edited by peterh - 26 Nov 2016 at 7:52am
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1947 C, 1949 B, 195? CA
60 series cultivator
fertilizer side dresser
2 bottom snap coupler plow
1 bottom plow, Cole planter
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peterh
Silver Level
Joined: 07 Dec 2011
Location: Raleigh, NC
Points: 315
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Posted: 15 Dec 2016 at 8:27am |
 CrestonM wrote:
Sounds like you're running champion plugs. It may sound silly, but when I first got my B I had the same problem. New autolite plugs fixed it. |
Creston- I swapped out Champion plugs for Autolite 295s on both the B and C, and they both fired up and ran better than I've heard them in a couple years. Easy fix! Thank you
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1947 C, 1949 B, 195? CA
60 series cultivator
fertilizer side dresser
2 bottom snap coupler plow
1 bottom plow, Cole planter
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TimNearFortWorth
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Joined: 12 Dec 2009
Points: 2014
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Posted: 15 Dec 2016 at 2:14pm |
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Drain the tank (and carb if possible) and catch some in a glass jar. Have had issues with gas more and more last few years, even just 30 days old 87 octane.
"Rinse" tank by pouring about a gallon of decent mid grade in and let that also drain by pulling standpipe if so equipped. Button her up including Seafoam in the fuel line so the carb get's a good shot initially. Add 3 gallons of mid grade to the tank and 1/2 of the can of Seafoam. Start her up and leave at high idle if it will do so, until you get her using the treated fuel. If she does not level out or acts the same, fuel is not likely your issue unless you have crud in the carb. Move on to electrical . . .
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