Wd45 running rough
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=173258
Printed Date: 15 Jul 2025 at 4:00pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Wd45 running rough
Posted By: Psdiesel350
Subject: Wd45 running rough
Date Posted: 01 Aug 2020 at 8:07pm
things we have replaced /rebuilt:
Rebuilt carb, New points, condensor,cap, rotor, plug wires, plugs, set the valves, and sprayed ether around manifolds. Only thing I haven't done was to check compression or actually time it with a timing light. I did hook up a timing light to the plug wires and it was randomly cutting out. I dont know where to go from there.
Thanks
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Replies:
Posted By: DSeries4
Date Posted: 01 Aug 2020 at 8:44pm
Set your timing with a timing light FIRST.
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'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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Posted By: Stan IL&TN
Date Posted: 01 Aug 2020 at 8:45pm
Check for slop in the distributor shaft.
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1957 WD45 dad's first AC
1968 one-seventy
1956 F40 Ferguson
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Posted By: Psdiesel350
Date Posted: 01 Aug 2020 at 8:54pm
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I took distributer off tonight and tore it apart it seems nice with not much slop. I haven't checked shaft from governor yet.
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Posted By: Boss Man
Date Posted: 01 Aug 2020 at 9:31pm
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Is this a 12V or 6V system? When you try to choke does it run better or worse?
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Posted By: dr p
Date Posted: 02 Aug 2020 at 6:38am
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I don't see replace coil. I'd try that
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Posted By: CTuckerNWIL
Date Posted: 02 Aug 2020 at 8:34am
Where did you get the new condenser? About 90% of them are junk right out of the box.
I won't waste my time putting an off the shelf condenser in anymore. Go to NAPA and ask for Blue Streak ignition parts, or switch to a Pertronix electronic ignition.
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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: Psdiesel350
Date Posted: 02 Aug 2020 at 3:09pm
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Yep replaced coil. Actually put a 2nd set of points and condensor on with no change. If ya choke it get worse. If ya pull plugs out they are not wet, just black and sooty.
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Posted By: Sugarmaker
Date Posted: 02 Aug 2020 at 3:17pm
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These are hard because were not there but even on our own tractors trouble shooting problems may not be easy. I have this gut feel that you may have a carb/ fuel problem/ Just a hunch. Do you have another good running carb to change? The black plugs may be a indication of fuel issues? Regards, Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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Posted By: Psdiesel350
Date Posted: 02 Aug 2020 at 3:21pm
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I have a wd. Would that carb run ok on a 45 just for a test?
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Posted By: Boss Man
Date Posted: 02 Aug 2020 at 4:27pm
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Does it have an inline resistor? Customer had an Farmall H that was running rough and came down to that resistor being bad.
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Posted By: ac fleet
Date Posted: 02 Aug 2020 at 8:34pm
wd carb will run on 45--I have 2 runnin that way
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http://machinebuildersnetwork.com/
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