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John Deere Tractors Discussion Forum
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Champion plugs

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Johnhatc.

10-16-2005 08:14:16




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Someone replied to one of my questions and said not to use Champion plugs why shouldn't
I use them?




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Skyhawk Greg

10-18-2005 08:58:08




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
Don't know what it is about the Champion plugs, but it seems to have some substance to it. I used to race motorcycles 20 years ago, and running the same Champion plug for two races in the Husqvarna could be considered an accomplishment. Put in an NGK, and you could go most of the season, without any other changes to the engine. I have a David Bradley two wheel tractor that staunchly refuses to run for any length of time using a Champion plug, and sometimes will not even start. Simply put in an NGK, and whatever the problem was, disappears. I have a Briggs 8 hp generator that is about 15 years old. It ran fine when new, with Champions, but now requires an NGK to run trouble free. My 32 year old LawnBoy two cycle mower will not restart after a couple of uses with a Champion. My turbocharged Merker could use Champions for a few thousand miles, and then would start snuffing out the flame while under boost. Had to switch to Autolite for longevity. The Champions will work in a pinch in the Husqvarna chainsaws, but do not seem to last. Suzuki 500 dirt bike - forget it unless it has NGK. Honda CBX, same thing. Can run NGK's in a turbocharged Hayabusa until the simple feeling of guilt says it is finally time to change them! The Champions worked fine in a 1966 Ford LTD and a 1965 Ford Mustang. Champions will work for a while in the John Deere B, but then need to be removed and cleaned after a few hours of light work, or the tractor will die outright. To be honest, with the B though, the Champions do not seem to be all that bad if kept clean, and if the tractor is worked harder. This indicates that maybe I just need to adjust the carb better for the varying ambient and working conditions. There definitely seems to be a trend in here somewhere. At the very least, if the engine is acting up, and it has Champions, you owe it to yourself to try either a new Champion, or another brand before tearing into things.

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buickanddeere

10-18-2005 06:47:58




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
Any Champion dual gap plug with a letter "U" in the part number.



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buickanddeere

10-18-2005 06:49:07




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 OOP's Re: Champion plugs in reply to buickanddeere, 10-18-2005 06:47:58  
Any Champion dual gap plug with a letter "U" in the part number. Run away from it fast.



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Specter

10-17-2005 07:55:29




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
Threw a pair of Champion D23 plugs, along with new points, condenser, rotor, distributor cap, and wires into my '52 model A the other day. After that, the old horse just fired right up and barked loud and clear. Seems to even run a little better than with the Prestolite 18T8 plugs that were in it, but that might be due to the other new ignition parts. Sure doesn't run any worse, though. Apart from that, I've seen many different kinds of plugs put into different engines, and haven't seen one that is worse than the others.

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John in IN

10-16-2005 20:41:54




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
I use Champion, AC and Autolite. It depends on which tractor I'm putting them in. My J.D.50 runs best on D21 champions. I use an autolite in my 60. My '37 A runs best on the old Champiom No. 2 com. I think I have a 3077 in my '37 AR. When I put my AR to work I put a colder plug in. The 3077 is to hot for running a threshing machine. This is just what I do and seems to work for me.



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John T

10-16-2005 16:54:14




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
John, The one application where I prefer Autolite or AC BIG TIME OVER CHAMPION is the 7/8 plugs used in the older unstyled Waterloo Tractors like A B G etc. The specified heat range would match up with an Autolite 3076 BUT one heat range hotter is the Autolite 3077 (AC W 18 I believe?) and they are the side wire electrode deep reach type which I dont see in the Champions.

Other then that, I agree its the quality of the ignition system that causes fouling more so then the brand of plugs.

John T

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ChuckW

10-16-2005 15:49:06




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
all kinds of blame are made against the plugs but I've found that ignition strenght is the key. With electronic ignition it doesn't matter what heat range plug you use it will still fire up. The unleaded gas is the culprit to the old engines with low compression. You need a better ignition source.



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vf4x

10-16-2005 15:22:01




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
I have been installing spark plugs in many types of engines for over 40 years. I have never purchased a spark plug, for my personal equipment, of any brand other than Champion and I have never been dissastified with their performance. I consider the incorrect heat range as causing most plug problems.



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Glen in TX

10-16-2005 12:18:34




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
I've had my share of problems with all brands of plugs it seems. Quantity production problems and quality control were usually the culprits for new plug problems. Have had brand new Autolite, AC, and Champs out the box that were bad. I returned them and the store replaced them. Have sold Champions myself and only had one warranty case because some plugs didn't have threads cut deep enough and ruined an aluminum head and turned in a claim and they took care of it. It was poor quality control on their part and they had to track and replace the whole batch of those plugs made on a bad day with bad threads. Most peoples plug problems are caused by bad fuel, poor carburetion, bad rings, and other engine problems.

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Jim-bobb

10-16-2005 11:37:54




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
Frankly, I had bad luck with Champion twice. Although many years ago, I replaced the head on an engine. It ran poor. Someone told me to put another brand spark plug in & the problem went away. Second time about 10 years ago, I tuned up an engine for winter. Although the engine ran ok before the tune-up, it was missing badly after the tune-up. I removed the Champion plugs & they were were clean with a correct gap. I replaced with Autolite & the engine ran fine.

So, I just will not take a chance on Champion & have no idea why I had problems with Champion. I use Autolite, NKG or AC in all my engines- no problems.

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Hayfarmer

10-16-2005 10:53:22




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
It seems like one of the easiest ways to start an arguement on any of these boards is to mention plug brand. I had a 57 Chevy when I was young and swore I would only use AC plugs. I have used other brands but have never found a plug like the Champion D23 for a tractor that tends to foul plugs even though the dealers say others are equivelent it just has a longer base and seems to work great in the older As and Bs. I use mostly autolite because that is the brand my NAPA store pushes and they seem to work good in my JD430U. I think like mentioned above it is whatever brand you have had problems with or have available.

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Mike M

10-16-2005 10:25:18




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 Re: Champion plugs in reply to Johnhatc., 10-16-2005 08:14:16  
For some unknown reason tractor people seem to not buy them. It may just be a bad rap ? I can't prove it good or bad. I use some and also other brands. I have only had just a couple of plug failures,one was new out of the box,other was in a mini van and it wasn't in there that long.I don't think either was a champion.I also had an autolite blow the center out as the outside crimp rusted and it let go. Not too old of a plug .I use alot of autolites mainly because of price and availabilty in my area. I do like the fact that Champion plates the metal part to resist this type of corrosion problems. I think more people have compression,ignition,and fuel problems and the plug gets the blame.

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