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John Deere Tractors Discussion Forum
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better or performance spark plugs for a G

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alex51g

08-13-2006 14:53:16




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What would be a good sparkplug to put in my G.I have electronic egnition and a flame thrower 2 coil if that makes any difference.




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Roy Suomi

08-13-2006 20:58:14




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 Re: better or performance spark plugs for a G in reply to alex51g, 08-13-2006 14:53:16  
I don't know what happened to Champion , but they won't take a flooding like the others..I've run into several situations where the engine ran good once, then crappy afterward ..I'm sold on AC's or Motorcraft..I know a lot of drag racers who swear by Champions , have had good luck with them , but then again they only run one pass with plugs then pitch them....Again only my 2 cents worth...



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dan hill

08-14-2006 02:59:49




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 Re: better or performance spark plugs for a G in reply to Roy Suomi, 08-13-2006 20:58:14  
Champion has had some bad press about plugs breaking off in cylinder heads.Had one break off in an Olds V8.They are making plugs in Mexico now.Also heard of problems of poor threads on plugs.I dont use them.



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DSK

08-13-2006 19:30:28




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 Re: better or performance spark plugs for a G in reply to alex51g, 08-13-2006 14:53:16  
I have been running Champions in all my 2-cyls. for 25 yrs. Contrary to popular opinion, I have never had a problem with them. Sounds like a D-14 (514) would be a good choice for your G.



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John T

08-13-2006 19:25:06




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 Re: better or performance spark plugs for a G in reply to alex51g, 08-13-2006 14:53:16  
Alex, with that electronic switch and high energy coil I would go with the plugs Glen recommended buttttt tt maybe after a check with the coil vendor for their recommendations you may wanna run a wider than normal plug gap say in the 0.040 range.

John T



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Glen in TX

08-13-2006 18:53:12




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 Re: better or performance spark plugs for a G in reply to alex51g, 08-13-2006 14:53:16  
If your G uses the 18mm plugs try some Denso L14-U, U groove electrode plugs or AC Delco C88 or C88L or Autolite 3116 extended tips. If you have the 7/8"-18 thread plugs try finding some AC C77L or Autolite 3077. Make sure you are also running metallic core wires and go with a 8mm if you can. Some are also using bushing adapters running 14mm automotive plugs but I don't know what number plugs they are running.

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CHILE2

08-13-2006 15:11:02




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 Re: better or performance spark plugs for a G in reply to alex51g, 08-13-2006 14:53:16  
HAVE HAD REAL GOOD LUCK WITH DENSO PLUGS



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