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WD Allis running rough and rich!
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danr View Drop Down
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Joined: 17 Jun 2010
Location: KendalviIle, IN
Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Topic: WD Allis running rough and rich!
    Posted: 19 Aug 2020 at 8:15pm
WD Allis Chalmers running rough: Compression on cylinders 1 through 4 is 100, 100, 70, and 100 psi respectively. Plugs cleaned (before and after compression check and they were very sooty both times telling me that it is running extremely rich), plug gap set at .30, points gap set at .20. (Fuel system cleaned and fuel flowing well with new gasoline). By switching carburetor and making adjustments to it and by switching coil it didn't make any difference. Adjusted timing to no avail.
Governor working properly. Tractor just seems to spit and sputter but stays running.
Anyone else had similar issue? I took audio/video of it running but I am unable to attach it. I can email or text the video if need be.
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Boss Man View Drop Down
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Joined: 03 Mar 2018
Location: Greenleaf, WI
Points: 617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Boss Man Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2020 at 9:23pm
How does it run with the air cleaner disconnected?
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DSeries4 View Drop Down
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Joined: 12 Sep 2009
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Points: 7447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DSeries4 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2020 at 9:30pm
As mentioned above, unhook the air hose coming from the air cleaner - could be plugged.  Based on what you have indicated, adjusting the carb should help smooth things out. 

The 3rd cylinder having 70 lbs compression is not a good sign.  There should not be any more than a 10 percent variance in compression numbers.  Could be a knock in the engine? 
'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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danr View Drop Down
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Joined: 17 Jun 2010
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2020 at 5:34am
Sorry.   I forgot to mention the hose to air cleaner was renoved from the beginning of trouble shooting.
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danr View Drop Down
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Joined: 17 Jun 2010
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Choke was operating correctly also.
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danr View Drop Down
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Joined: 17 Jun 2010
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2020 at 5:37am
No knocking what so ever. Just the cutting out syndrome (spit/sputter) while running.
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danr View Drop Down
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Joined: 17 Jun 2010
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2020 at 5:43am
I tried adjusting each carb (when assembled to engine) while tractor was running and spitting/sputtering. Didn't make a difference.   
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allisorange View Drop Down
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Joined: 27 Mar 2010
Location: perkins, michig
Points: 381 		Post Options Post Options   Thanks (0) Thanks(0)   Quote allisorange Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2020 at 6:44am
  Maybe an intake leak?

    J Carlson
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danr View Drop Down
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Joined: 17 Jun 2010
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2020 at 7:51am
I apologize.... compression is 100, 100, 90, 100.
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Dan Hauter View Drop Down
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Joined: 06 Feb 2011
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I have a WD that is acting just like this one.  Haven't figured it out yet.  Took it to a local mechanic who replaced a whole lot of little parts like plugs, points, etc. and timed it.  Still runs rough.  
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What does the cap and rotor look like? Look real close at the cap to see if there's any little streaks. The streaks would be carbon tracks and cause the spark to jump to where its not supposed to be. 
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danr View Drop Down
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Joined: 17 Jun 2010
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2020 at 5:51pm
Following Dan Hauter. Interested in what his mechanic finds!
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MACK View Drop Down
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Been down that road before . Put a MSD 6A ING. system on it. Problem solved.              MACK
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Brian Jasper co. Ia View Drop Down
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Joined: 11 Sep 2009
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Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2020 at 9:23pm
Originally posted by Dan Hauter Dan Hauter wrote:

I have a WD that is acting just like this one.  Haven't figured it out yet.  Took it to a local mechanic who replaced a whole lot of little parts like plugs, points, etc. and timed it.  Still runs rough.  
How is the dizzy shaft? If it wobbles in the bushing at all your point gap changes. With the gap change, dwell changes along with timing. Too much dwell, the coil gets hot and points burn. Too little dwell and the coil doesn't fully saturate and your spark is weak.
"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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Points: 22822 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 21 Aug 2020 at 9:12am
Maybe you should double check the plug wires, to be sure the firing order is right.
 I have 'fixed' a couple tractors that wanted to sputter and spit, after somebody did a 'tune up' on them.
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Ken McGregor View Drop Down
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Joined: 11 Sep 2009
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Points: 142 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ken McGregor Quote  Post ReplyReply Direct Link To This Post Posted: 21 Aug 2020 at 9:26am
It may not always work but my WD45 was acting like that and I had replaced plugs, points, condenser, wires, etc. along with the carb tuneup and setting and nothing was working well. I finally replaced the regular plugs with NKG plugs and the problem not only went away but the tractor is firing better than I have had it work for several years. The plug number escapes me as I type but it is the standard NKG replacement for the 295 plug that AC uses. I wish I had done that sooner as I had replaced plugs several times previously but however.......

Sometime the expenditure of just  a little bit more money in the right place pays off. No guarantees but it sure worked for me!!
regards,
Ken McGregor
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danr View Drop Down
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Joined: 17 Jun 2010
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Posted: 21 Aug 2020 at 12:33pm
Originally posted by CTuckerNWIL CTuckerNWIL wrote:

Maybe you should double check the plug wires, to be sure the firing order is right.
 I have 'fixed' a couple tractors that wanted to sputter and spit, after somebody did a 'tune up' on them.


Triple cheeked them! 1243
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DrAllis View Drop Down
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Clockwise rotation looking down on the rotor ?
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danr View Drop Down
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Joined: 17 Jun 2010
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Originally posted by DrAllis DrAllis wrote:


Clockwise rotation looking down on the rotor ?


Yes
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danr View Drop Down
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Joined: 17 Jun 2010
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote danr Quote  Post ReplyReply Direct Link To This Post Posted: 25 Aug 2020 at 8:57am
Today I swapped out the distributor, points and condenser from another running WD I have. Started tractor up and it runs fine. When I get some "free" free time I will play around swapping rhe old points, old condenser and old distributor each separately and determine which of those three units was the culprit for making the WD spit, sputter and run rough. Thank you all for your suggestions and help in trying to resolve this matter. You are all a wealth of information and help.
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Steve in NJ View Drop Down
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Chuck the Distributor you pulled out in a vise. Pop the cap off, grab the rotor and the bottom drive gear and see if it wobbles. If it does, there's your culprit. Brian nailed it if that's the case. I offer Distributor rebuilding or exchange if that's the problem if interested. Hope you find the culprit.....
Steve@B&B
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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+1 for Brian and Steve... the distributor shaft bushing is a common wear point.  Send yours to Steve to refurb.
Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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