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Farmall cub spark plugs.
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- J3 Driver
- 5+ Years
- Posts: 236
- Joined: Mon Oct 31, 2016 11:38 am
- Zip Code: 17241
- Tractors Owned: 1976 C-160 Wheelhorse
1995 JD F525
1998 JD 955 with 70A loader and 54 blade
JD 71 planter modified for use on Sleevehitch
Brinly plow, disk, and cultivator.
Son has a 1957 Cub with fast hitch, snowplow, 194 plow, disk, carryall, Mott fast hitch flail mower, and windbreaker
1942 John Deere H - Circle of Safety: Y
Farmall cub spark plugs.
So my son's 1957 cub developed this miss a week or so ago. Tonight I finally had time to pull the plugs and take a look.
As you can see in the attached picture they don't look to hot.
I going to get a new set. It currently has Champion D18Ys in it. My question is should I get the D16s or the D21s. Also what does the Y stand for.
Thanks.
Keith
As you can see in the attached picture they don't look to hot.
I going to get a new set. It currently has Champion D18Ys in it. My question is should I get the D16s or the D21s. Also what does the Y stand for.
Thanks.
Keith
-
- Team Cub
- Posts: 17241
- Joined: Sun Feb 02, 2003 2:59 pm
- Zip Code: 55319
- Circle of Safety: Y
- Location: MN
Re: Farmall cub spark plugs.
D-16 is colder, D-21 hotter. The "Y" on a Champion indicates an extended tip. The originals were not an extended tip, but I don't think it can hurt anything in a Cub.
I suggest you go to a D-21 (or other brand of equivalent fit/heat).
I suggest you go to a D-21 (or other brand of equivalent fit/heat).
- John *.?-!.* cub owner
- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Farmall cub spark plugs.
If it is a light duty machine, pulling a trailer, riding around, etc. or tends to burn oil I would suggest D21. If it gets worked hard doing quite a bit of mowing, plowing, disking, etc. and does not use much oil, which those plugs look like it does not, I would suggest D16. But that is just my opinion.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
- Peter Person
- Cub Pro
- Posts: 4554
- Joined: Fri Nov 18, 2005 4:27 pm
- Zip Code: 06076
- Circle of Safety: Y
- Location: CT, Stafford Springs
Re: Farmall cub spark plugs.
Keith,
Is it a regular or intermittent misfire?
In addition to changing the plugs, you could check the wires to make sure they are good. The distributor could have a hairline crack.
You may have a valve out of adjustment or crudded up and not closing all the way.
Clean the sediment bowl and make sure there is a good fuel flow.
Lots of possibilities!
Peter
Is it a regular or intermittent misfire?
In addition to changing the plugs, you could check the wires to make sure they are good. The distributor could have a hairline crack.
You may have a valve out of adjustment or crudded up and not closing all the way.
Clean the sediment bowl and make sure there is a good fuel flow.
Lots of possibilities!
Peter
1957 Farmall Cub "Emory", Fast-Hitch, L-F194 Plow & Colter, L-38 Disc Harrow, Cub-54A Blade, Cub-22 Sickle Bar Mower, IH 100 Blade
- J3 Driver
- 5+ Years
- Posts: 236
- Joined: Mon Oct 31, 2016 11:38 am
- Zip Code: 17241
- Tractors Owned: 1976 C-160 Wheelhorse
1995 JD F525
1998 JD 955 with 70A loader and 54 blade
JD 71 planter modified for use on Sleevehitch
Brinly plow, disk, and cultivator.
Son has a 1957 Cub with fast hitch, snowplow, 194 plow, disk, carryall, Mott fast hitch flail mower, and windbreaker
1942 John Deere H - Circle of Safety: Y
Re: Farmall cub spark plugs.
It's regular. Fuel system was flushed out right after I bought it. So I don't think that's it.
I also was running 100LL (airplane gas) when I first got it. It helps to clean out the fuel system but also tends to foul plugs.
I'll get some new plugs tomorrow and give that a shot. It just started all of the sudden and is consistent.
Have a show this summer my boy wants to take it to so I have time. But have to get it working.
I also was running 100LL (airplane gas) when I first got it. It helps to clean out the fuel system but also tends to foul plugs.
I'll get some new plugs tomorrow and give that a shot. It just started all of the sudden and is consistent.
Have a show this summer my boy wants to take it to so I have time. But have to get it working.
- J3 Driver
- 5+ Years
- Posts: 236
- Joined: Mon Oct 31, 2016 11:38 am
- Zip Code: 17241
- Tractors Owned: 1976 C-160 Wheelhorse
1995 JD F525
1998 JD 955 with 70A loader and 54 blade
JD 71 planter modified for use on Sleevehitch
Brinly plow, disk, and cultivator.
Son has a 1957 Cub with fast hitch, snowplow, 194 plow, disk, carryall, Mott fast hitch flail mower, and windbreaker
1942 John Deere H - Circle of Safety: Y
Re: Farmall cub spark plugs.
Also taking the plugs to work tomorrow and will throw them in the tester. That will give me more information as well.
- J3 Driver
- 5+ Years
- Posts: 236
- Joined: Mon Oct 31, 2016 11:38 am
- Zip Code: 17241
- Tractors Owned: 1976 C-160 Wheelhorse
1995 JD F525
1998 JD 955 with 70A loader and 54 blade
JD 71 planter modified for use on Sleevehitch
Brinly plow, disk, and cultivator.
Son has a 1957 Cub with fast hitch, snowplow, 194 plow, disk, carryall, Mott fast hitch flail mower, and windbreaker
1942 John Deere H - Circle of Safety: Y
Re: Farmall cub spark plugs.
Cleaned them up and tested them. They all tested well after a cleaning. Still Most likely will replace them though.
I know champion has had some issues with their plugs lately.
Looking at autolites or prestolites to replace them. What do you guys suggest. I've found a good cross reference to the D16s
I know champion has had some issues with their plugs lately.
Looking at autolites or prestolites to replace them. What do you guys suggest. I've found a good cross reference to the D16s
-
- Team Cub Mentor
- Posts: 5618
- Joined: Thu Aug 03, 2006 6:20 am
- Zip Code: 43358
- Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D - Circle of Safety: Y
- Location: OH West Mansfield
Re: Farmall cub spark plugs.
If you don't want to use the D-21 Champion, the 386 Autolite is a very popular choice.
-
- 5+ Years
- Posts: 103
- Joined: Tue Jan 05, 2016 9:35 am
- Zip Code: 16650
- Tractors Owned: 48 Cub
94 Wheelhorse 312-8
Re: Farmall cub spark plugs.
John *.?-!.* cub owner wrote:If it is a light duty machine, pulling a trailer, riding around, etc. or tends to burn oil I would suggest D21. If it gets worked hard doing quite a bit of mowing, plowing, disking, etc. and does not use much oil, which those plugs look like it does not, I would suggest D16. But that is just my opinion.
What is the downside to using hotter plugs is a tractor that's worked hard?
1948 McCormick Deering Farmall Cub:
- International L-54 blade
- Woods 59 mower
1994 Toro Wheel Horse 312-8: 42" rear discharge deck
Husqvarna 562XP chainsaw: 24" bar w/ skip tooth
Craftsman 18" chainsaw
- International L-54 blade
- Woods 59 mower
1994 Toro Wheel Horse 312-8: 42" rear discharge deck
Husqvarna 562XP chainsaw: 24" bar w/ skip tooth
Craftsman 18" chainsaw
-
- 10+ Years
- Posts: 1050
- Joined: Tue Apr 26, 2011 10:47 am
- Zip Code: 44266
- Tractors Owned: 48 F Cub #11678
65 Cub Cadet 104
70 450C JD loader
67 Cub Cadet 107
90 B7100HST-D Kubota
72 Cub Cadet 149
54 Super C - Circle of Safety: Y
- Location: Ravenna, Ohio
Re: Farmall cub spark plugs.
For what it's worth, I run a rig very similar to yours, an F Cub with a Woods 59C1 mower and I've had great success with the 386 Autolites. I run it pretty hard for 2 to 3 hours at a time - runs great. Often when we do the "which plug is better" theme there are many varied opinions. Many have great luck with Champions too. In answer to question, the down side would be, from running a plug too cold tends to foul quicker and too hot of a plug will burn the electrodes rather quickly and (probably not a real concern on a Cub engine) would tend to burn valves. to reiterate what others have said it depends on how you work your Cub.
-
- 5+ Years
- Posts: 103
- Joined: Tue Jan 05, 2016 9:35 am
- Zip Code: 16650
- Tractors Owned: 48 Cub
94 Wheelhorse 312-8
Re: Farmall cub spark plugs.
My 386 plugs fouled pretty quick on 2 cylinders. Could be that my valves were all outa adjustment, which is now fixed. Could also be compression, which I haven't even looked at yet. I'm new to this, so just looking for facts, not concerned about which brand is better based on opinions.
1948 McCormick Deering Farmall Cub:
- International L-54 blade
- Woods 59 mower
1994 Toro Wheel Horse 312-8: 42" rear discharge deck
Husqvarna 562XP chainsaw: 24" bar w/ skip tooth
Craftsman 18" chainsaw
- International L-54 blade
- Woods 59 mower
1994 Toro Wheel Horse 312-8: 42" rear discharge deck
Husqvarna 562XP chainsaw: 24" bar w/ skip tooth
Craftsman 18" chainsaw
-
- 10+ Years
- Posts: 804
- Joined: Tue Apr 17, 2012 7:55 pm
- Zip Code: 47119
- Skype Name: ntrenn
- Tractors Owned: 63 Cub 221833 in family since '69
65 Lo-boy 19648 with an un-stuck #4 - it lives!!!
144 Cultivators with disc hillers
193 Plow
42C mower
59L mower mounted on the Fcub
23A Disc - lost possession - Circle of Safety: Y
- Location: Indiana
Re: Farmall cub spark plugs.
Have autolite 3116 in both cubs. The 63 ran for 20 years on the same set. Never had any luck with any champions in cub, h, or m.
-
- 5+ Years
- Posts: 28
- Joined: Fri Nov 04, 2016 12:00 pm
- Zip Code: 49270
- Tractors Owned: 1956 farmall cub (tripod)
1950 farmall m (mighty red)
1951 farmall c ( rusty )
1955 oliver super 88 diesel
1954 allis chalmers wd45
1949 garden master garden tractor
1969 john deere 140 h1
1970 massey ferguson 7
1972 sears custom 8
1972 sears custom 10xl
1975 cub cadet 1000
1983 john deere 216
1986 john deere 165 hydro
Re: Farmall cub spark plugs.
i like autolite plugs my burns oil and havent fouled out they work awesome in the farmall tractors
- tmays
- 10+ Years
- Posts: 3402
- Joined: Wed May 11, 2011 8:59 pm
- Zip Code: 39154
- Tractors Owned: 1969 Farmall Cub
1952 Cub
1942 Farmall H - Location: Raymond, MS
Re: Farmall cub spark plugs.
If you have the correct heat range plug, then fouling isn't a plug problem. It's a tractor problem. Fuel too rich can foul the plugs also. My plug of choice is Champion and never a problem with plugs. But there's folks here that hate them. If you're looking for fact, be prepared for the facts to be shrouded in opinion.
Thomas
-
- 10+ Years
- Posts: 804
- Joined: Tue Apr 17, 2012 7:55 pm
- Zip Code: 47119
- Skype Name: ntrenn
- Tractors Owned: 63 Cub 221833 in family since '69
65 Lo-boy 19648 with an un-stuck #4 - it lives!!!
144 Cultivators with disc hillers
193 Plow
42C mower
59L mower mounted on the Fcub
23A Disc - lost possession - Circle of Safety: Y
- Location: Indiana
Re: Farmall cub spark plugs.
Many years ago, super m with oversize sleeves pulling 7 ft flail mower...fouled plugs reguarly. Tractor would go through 15-20 gallons of fuel a day. Ran like a 280" sewing machine. Fouled champions. Didnt know then to use autolites...my rebuild on tbat engine is still running today...
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